Sean Mattingly, FNP
NPI 1245879980 · Family Nurse Practitioner · Frederick, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sean Mattingly, FNP is a Family Nurse Practitioner provider in Frederick, MD (NPI 1245879980).
Provider details
- NPI number
- 1245879980
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Male
- Sole proprietor
- Yes
- License
- R215838 (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 tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
827 Medicare services, 2024 (ranked within specialty)
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 450 | $77 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 92 | $41 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 80 | $16 |
| Automated Urinalysis Test81003 | 59 | $2 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 40 | $107 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 51 | 50 |
| Doxycycline Hyclate | 48 | 48 |
| Cephalexin | 38 | 38 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 36 | 35 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 36 | 33 |
| Methylprednisolone | 35 | 34 |
| Azithromycin | 30 | 29 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-12-28
- Last updated
- 2021-01-13
- Certified
- 2021-01-13
Frequently asked questions
- What is Sean Mattingly's NPI number?
- Sean Mattingly's National Provider Identifier (NPI) is 1245879980, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean Mattingly's specialty?
- Sean Mattingly is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sean Mattingly located?
- Sean Mattingly's practice location on file with NPPES is 501 W 7th St, Frederick, MD 21701-4586.
- What is Sean Mattingly's phone number?
- The practice phone number listed in the NPPES registry for Sean Mattingly is (301) 698-8375.
- Does Sean Mattingly accept Medicare?
- Sean Mattingly is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sean Mattingly's NPI active?
- Yes — Sean Mattingly's NPI (1245879980) 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.