Nathaniel Joel Alexander Sundquist, DO
Emergency Medicine Physician · Philadelphia, PA
Nathaniel Joel Alexander Sundquist, DO is an emergency medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1083282354, issued on Jun 14, 2021. Check the license (Pennsylvania OT020737, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Nathaniel Joel Alexander Sundquist
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- OT020737 PA
Self-reported in NPPES; status is on the state search - Practice location
- 5501 Old York RD, Philadelphia, PA 19141
- Phone
- (215) 456-3834
- Enumerated
- Jun 14, 2021
- Record last updated
- Jun 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,911 in Pennsylvania → Look up another NPI →
Also registered at 5501 Old York RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nathaniel Joel Alexander Sundquist in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OT020737Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average emergency medicine physician in 2024
79 Medicare Part D claims for 57 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibuprofen16 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.
Nathaniel Joel Alexander Sundquist among 3,911 emergency medicine physician records in Pennsylvania
Nathaniel Joel Alexander Sundquist, DO 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 2021, is newer than 83% of them.
- NPI issued2021 · 83% of these records are older, 12% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2021 · 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).
1,006 emergency medicine physician records list a practice address in Philadelphia
They are 1,006 of the 42,849 NPPES records with a practice address in Philadelphia, and 3,911 emergency medicine physician records in Pennsylvania.
All 3,911 in Pennsylvania → Every provider in Philadelphia → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Earl Bryant, DOPhiladelphia, PA 191411356301964
- Merle Carter, MDPhiladelphia, PA 191411073572319
- Charles Fasano, DOPhiladelphia, PA 191411518927847
- Christine Giesa, DOPhiladelphia, PA 191411790754778
- John Kelly, DOPhiladelphia, PA 191411467421644
- Scott Korvek, MD, FACEPPhiladelphia, PA 191411134111412
- Jonathon Leiser, MDPhiladelphia, PA 191411396705117
- Douglas McGee, DOPhiladelphia, PA 191411891764973
Common questions
What is Nathaniel Joel Alexander Sundquist, DO's NPI number?
Nathaniel Joel Alexander Sundquist, DO's National Provider Identifier (NPI) is 1083282354, issued on Jun 14, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel Joel Alexander Sundquist, DO located?
The NPPES record lists a practice address at 5501 Old York RD, Philadelphia, PA, 19141. Phone: (215) 456-3834. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel Joel Alexander Sundquist, DO's license?
NPPES lists Pennsylvania license number OT020737, 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 Nathaniel Joel Alexander Sundquist, DO prescribe under Medicare Part D?
In 2024, Nathaniel Joel Alexander Sundquist, DO had 79 Medicare Part D claims for 57 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.