Annabelle Nielsen, MD
Emergency Medicine Physician · Sewickley, PA
Annabelle Nielsen, MD is an emergency medicine physician with a practice address in Sewickley, Pennsylvania, and NPI 1578198651, issued on Mar 9, 2020. Check the license (Pennsylvania MD486207, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Annabelle Nielsen
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD486207 PA
Self-reported in NPPES; status is on the state search - Practice location
- 701 Broad St, Sewickley, PA 15143
- Phone
- (412) 741-6600
- Enumerated
- Mar 9, 2020
- Record last updated
- Aug 22, 2025
- Medicare enrollment
- Enrolled (PECOS I20250926001513); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,911 in Pennsylvania → Look up another NPI →
Also registered at 701 Broad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Daniel GraffPediatrics Physician1295721330
- David Hennessey, MDPediatrics Physician1962490300
Verify Annabelle Nielsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD486207Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average emergency medicine physician in 2024
144 Medicare Part D claims for 104 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Cefuroxime23 claims
- Ondansetron Odt16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Valley Medical Facilities IncBeaver, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Annabelle Nielsen among 3,911 emergency medicine physician records in Pennsylvania
Annabelle Nielsen, MD is one of 3,911 emergency medicine physician records with a practice address in Pennsylvania. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 79% of them.
- NPI issued2020 · 79% of these records are older, 17% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2021 · median 2013 among the 2,231 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 emergency medicine physician records list a practice address in Sewickley
They are 12 of the 528 NPPES records with a practice address in Sewickley, and 3,911 emergency medicine physician records in Pennsylvania.
All 3,911 in Pennsylvania → Every provider in Sewickley → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Christian Cayon, MDSewickley, PA 151431194301945
- Susan Guido, M.D.Sewickley, PA 151431154373470
- Janene Klein, M.D.Sewickley, PA 151431356393466
- Ronald Leckey, M.D.Sewickley, PA 151431609820497
- George Magnone, MDSewickley, PA 151431316470727
- Patrick McWeeney, MDSewickley, PA 151431891148326
- Alfredo Munoz, M.D.Sewickley, PA 151431033167044
- Thomas Pangburn, M.D.Sewickley, PA 151431881647469
Common questions
What is Annabelle Nielsen, MD's NPI number?
Annabelle Nielsen, MD's National Provider Identifier (NPI) is 1578198651, issued on Mar 9, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Annabelle Nielsen, MD located?
The NPPES record lists a practice address at 701 Broad St, Sewickley, PA, 15143. Phone: (412) 741-6600. Providers update this record themselves, so call before visiting.
How can I verify Annabelle Nielsen, MD's license?
NPPES lists Pennsylvania license number MD486207, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Annabelle Nielsen, MD prescribe under Medicare Part D?
In 2024, Annabelle Nielsen, MD had 144 Medicare Part D claims for 104 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.