Timothy Michael Ambrose, M.D.
Neurology Physician · Philadelphia, PA
Timothy Michael Ambrose, M.D. is a neurology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1013237981, issued on Jun 2, 2010. Check the license (Pennsylvania MD451862, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Timothy Michael Ambrose
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- MD451862 PA
MT197867 PA
Self-reported in NPPES; status is on the state search - Practice location
- 909 Walnut St, Philadelphia, PA 19107
- Phone
- (215) 955-1234
- Enumerated
- Jun 2, 2010
- Record last updated
- Jun 23, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (215) 923-6792
- Medicare enrollment
- Enrolled (PECOS I20210518002618); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 1,077 in Pennsylvania → Look up another NPI →
Also registered at 909 Walnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ariel Bermudez, DMDDentist1285520627
- Lisa Bowman, CRNPAdult Health Nurse Practitioner1760607535
Verify Timothy Michael Ambrose in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD451862Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average neurology physician in 2024
504 Medicare Part D claims for 58 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Lacosamide136 claims
- Levetiracetam53 claims
- Clonazepam34 claims
- Lamotrigine30 claims
- Zonisamide29 claims
- Divalproex Sodium20 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 2 group practices
- Jefferson University PhysiciansPhiladelphia, PA
- Jefferson University Physicians OF New Jersey PCSewell, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy Michael Ambrose among 1,077 neurology physician records in Pennsylvania
Timothy Michael Ambrose, M.D. is one of 1,077 neurology physician records with a practice address in Pennsylvania. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 53% of them.
- NPI issued2010 · 53% of these records are older, 43% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2010 · median 2007 among the 727 with a school on file
- Record last updated2016 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Pennsylvania
There are 1,077 neurology physician records in Pennsylvania.
All 1,077 in Pennsylvania → Every provider in Philadelphia → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Daniel Feinberg, MDPhiladelphia, PA 191071134151285
- Jon Glass, MDPhiladelphia, PA 191071427025626
- Pedro Gonzalez-Alegre, MDPhiladelphia, PA 191071003808684
- Stacy Horn, DOPhiladelphia, PA 191071962434019
- Howard Hurtig, MDPhiladelphia, PA 191071760414981
- Olga Katz, M.D., PH.D.Philadelphia, PA 191071427050913
- Thomas Leist, M.D.Philadelphia, PA 191071801816681
- Carol Lippa, MDPhiladelphia, PA 191071083664965
Common questions
What is Timothy Michael Ambrose, M.D.'s NPI number?
Timothy Michael Ambrose, M.D.'s National Provider Identifier (NPI) is 1013237981, issued on Jun 2, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Michael Ambrose, M.D. located?
The NPPES record lists a practice address at 909 Walnut St, Philadelphia, PA, 19107. Phone: (215) 955-1234. Providers update this record themselves, so call before visiting.
How can I verify Timothy Michael Ambrose, M.D.'s license?
NPPES lists Pennsylvania license number MD451862, 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 Timothy Michael Ambrose, M.D. prescribe under Medicare Part D?
In 2024, Timothy Michael Ambrose, M.D. had 504 Medicare Part D claims for 58 beneficiaries; the average among neurology physician prescribers was 1,370. 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.