Ryan Barnes, DNP, CRNP, FNP-C
NPI 1649869645 · Primary Care Nurse Practitioner · Millersville, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Barnes, DNP, CRNP, FNP-C is a Primary Care Nurse Practitioner provider in Millersville, MD (NPI 1649869645).
Provider details
- NPI number
- 1649869645
- Entity type
- Individual
- Primary specialty
- Primary Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, CRNP, FNP-C
- Sex
- Male
- Sole proprietor
- No
- License
- R222604 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
50 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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 32 | $101 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $84 |
Typical Medicare-allowed amounts for these services range $84–$101 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 27 | 12 |
| Levothyroxine Sodium | 21 | — |
| Losartan Potassium | 17 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 16 | — |
| Lisinopril | 16 | — |
| Fenofibrate Nanocrystallizedbrand: Fenofibrate | 15 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$468 across 22 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-01-13
- Last updated
- 2021-01-13
- Certified
- 2021-01-13
Frequently asked questions
- What is Ryan Barnes's NPI number?
- Ryan Barnes's National Provider Identifier (NPI) is 1649869645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Barnes's specialty?
- Ryan Barnes is listed in the NPPES registry with a primary specialty of Primary Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ryan Barnes located?
- Ryan Barnes's practice location on file with NPPES is 8601 Veterans Hwy Ste 111, Millersville, MD 21108-1571.
- What is Ryan Barnes's phone number?
- The practice phone number listed in the NPPES registry for Ryan Barnes is (410) 787-4000.
- Does Ryan Barnes accept Medicare?
- Ryan Barnes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Barnes's NPI active?
- Yes — Ryan Barnes's NPI (1649869645) is active in the NPPES registry as of the last update on 2021-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.