What is Megan Ryan-Riffle's NPI number?

Megan Ryan-Riffle's National Provider Identifier (NPI) is 1356957534, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Megan Ryan-Riffle's specialty?

Megan Ryan-Riffle is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).

Where is Megan Ryan-Riffle located?

Megan Ryan-Riffle's practice location on file with NPPES is 1562 Opossumtown Pike, Frederick, MD 21702-4920.

What is Megan Ryan-Riffle's phone number?

The practice phone number listed in the NPPES registry for Megan Ryan-Riffle is (240) 215-6310.

Does Megan Ryan-Riffle accept Medicare?

Megan Ryan-Riffle is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Megan Ryan-Riffle's NPI active?

Yes — Megan Ryan-Riffle's NPI (1356957534) is active in the NPPES registry as of the last update on 2026-05-28.

IndividualActiveAccepts Medicare

Megan Ryan-Riffle, CRNP

NPI 1356957534 · Nurse Practitioner · Frederick, MD

Megan Ryan-Riffle, CRNP is a Nurse Practitioner provider in Frederick, MD (NPI 1356957534).

Provider details

NPI number: 1356957534
Entity type: Individual
Primary specialty: Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Credential: CRNP
Sex: Female
Sole proprietor: Yes
License: SP023597 (PA)

Practice location

1562 Opossumtown Pike

Frederick, MD 21702-4920

Phone: (240) 215-6310

Approximate (ZIP-level) locationGet directions

More MD providers

Mailing address

400 W 7th St

Frederick, MD 21701-4506

Specialties & taxonomies

Nurse PractitionerPrimary363L00000XLicense R211398 (MD)
Physician Assistants & Advanced Practice Nursing Providers
Family Nurse Practitioner363LF0000XLicense SP023597 (PA)
Physician Assistants & Advanced Practice Nursing Providers
Nurse Practitioner363L00000XLicense SP023597 (PA)
Physician Assistants & Advanced Practice Nursing Providers

Additional practice locations (16)

6040 Sykesville Rd
Eldersburg, MD 21784-6000
Phone: (301) 988-8222
16403 Old Emmitsburg Rd
Emmitsburg, MD 21727-8929
Phone: (240) 215-6310
1 Heritage Ln
Emmitsburg, MD 21727-9103
Phone: (301) 988-8822
194 Thomas Johnson Dr
Frederick, MD 21702-4679
Phone: (240) 215-6310
400 W 7th St
Frederick, MD 21701-4506
Phone: (240) 215-6310
7211 Bank Ct
Frederick, MD 21703-8483
Phone: (240) 215-6310
141 Thomas Johnson Dr
Frederick, MD 21702-4502
Phone: (301) 846-0100
3430 Worthington Blvd
Frederick, MD 21704-7017
Phone: (240) 215-6310
75 Thomas Johnson Dr
Frederick, MD 21702-4895
Phone: (240) 215-6310
230 W Patrick St
Frederick, MD 21701-6945
Phone: (240) 215-6310
501 W 7th St
Frederick, MD 21701-4586
Phone: (240) 215-6310
504 E Ridgeville Blvd
Mount Airy, MD 21771-5942
Phone: (240) 215-6310
3000d Ventrie Ct
Myersville, MD 21773-7817
Phone: (240) 215-6310
21 Crossroads Dr Ste 200
Owings Mills, MD 21117-5483
Phone: (410) 581-8140
15 E Frederick St
Walkersville, MD 21793-8234
Phone: (240) 215-6310
450 S Washington St Ste a
Gettysburg, PA 17325-2500
Phone: (717) 339-3105
Fax: (717) 798-3670

Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(83/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
6 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
17 documented practice locations
Medicare service volume (vs. specialty peers)25% of score
3,038 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Ultrasound Measurement of Bladder Capacity After Voiding51798	510	$11
Automated Urinalysis Test81003	470	$2
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	455	$107
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	443	$76
Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490	275	$55
Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Tamsulosin Hcl	769	277
Finasteride	365	120
Oxybutynin Chloridebrand: Oxybutynin Chloride Er	165	63
Solifenacin Succinate	150	77
Mirabegronbrand: Myrbetriq	104	32
Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro	82	52
Vibegronbrand: Gemtesa

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$75 across 3 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2020-09-22
Last updated: 2026-05-28
Certified: 2026-05-28

Frequently asked questions

What is Megan Ryan-Riffle's NPI number?: Megan Ryan-Riffle's National Provider Identifier (NPI) is 1356957534, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Megan Ryan-Riffle's specialty?: Megan Ryan-Riffle is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
Where is Megan Ryan-Riffle located?: Megan Ryan-Riffle's practice location on file with NPPES is 1562 Opossumtown Pike, Frederick, MD 21702-4920.
What is Megan Ryan-Riffle's phone number?: The practice phone number listed in the NPPES registry for Megan Ryan-Riffle is (240) 215-6310.
Does Megan Ryan-Riffle accept Medicare?: Megan Ryan-Riffle is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Megan Ryan-Riffle's NPI active?: Yes — Megan Ryan-Riffle's NPI (1356957534) is active in the NPPES registry as of the last update on 2026-05-28.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Ultrasound Measurement of Bladder Capacity After Voiding51798	510	$11
Automated Urinalysis Test81003	470	$2
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	455	$107
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	443	$76
Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490	275	$55
Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Tamsulosin Hcl	769	277
Finasteride	365	120
Oxybutynin Chloridebrand: Oxybutynin Chloride Er	165	63
Solifenacin Succinate	150	77
Mirabegronbrand: Myrbetriq	104	32
Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro	82	52
Vibegronbrand: Gemtesa

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$75 across 3 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Additional practice locations (16)

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Additional practice locations (16)

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments