Thomas Daniel Margulies, M.D.
Internal Medicine Physician · Medford, OR
Thomas Daniel Margulies, M.D. is an internal medicine physician with a practice address in Medford, Oregon, and NPI 1477575835, issued on Jul 24, 2006. Check the license (Oregon MD19955, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thomas Daniel Margulies
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD19955 OR
Self-reported in NPPES; status is on the state search - Practice location
- 229 W Stewart Ave, Medford, OR 97501
- Phone
- (541) 618-6443
- Enumerated
- Jul 24, 2006
- Record last updated
- Apr 11, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (541) 618-6452
- Medicaid ID
- 081757 OR
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 229 W Stewart Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Caryn Belafsky, MDFamily Medicine Physician1902823735
- Dea Collins, MSN, FNPFamily Nurse Practitioner1063418697
- Alexa Diaz, MEDICAL INTERPRETERInterpreter1982256178
- Denise Ledbetter, PAPhysician Assistant1770538498
- Ashley Peterson-Briggs, MDFamily Medicine Physician1881615417
- Denise Plumb, MDFamily Medicine Physician1699138917
Verify Thomas Daniel Margulies in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD19955Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
11 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Autoshield Duo Pen Needle11 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.
Thomas Daniel Margulies among 2,116 internal medicine physician records in Oregon
Thomas Daniel Margulies, M.D. is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 54% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2008 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 internal medicine physician records list a practice address in Medford
They are 56 of the 4,542 NPPES records with a practice address in Medford, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Medford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Blanche, M.D.Medford, OR 975011477567659
- Gregory Grunwald, DOMedford, OR 975011215998679
- Heidi Jacobson, MDMedford, OR 975011689654022
- Sara Walz, M.D.Medford, OR 975011154687259
- Christopher Alftine, MDCentral Point, OR 975021073510483
- Susan Hansen, MDCentral Point, OR 975021730129909
- John Kolsbun, MDCentral Point, OR 975021669461125
- Daniel Wood, DOCentral Point, OR 975021225778855
Common questions
What is Thomas Daniel Margulies, M.D.'s NPI number?
Thomas Daniel Margulies, M.D.'s National Provider Identifier (NPI) is 1477575835, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Daniel Margulies, M.D. located?
The NPPES record lists a practice address at 229 W Stewart Ave, Medford, OR, 97501. Phone: (541) 618-6443. Providers update this record themselves, so call before visiting.
How can I verify Thomas Daniel Margulies, M.D.'s license?
NPPES lists Oregon license number MD19955, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Daniel Margulies, M.D. prescribe under Medicare Part D?
In 2024, Thomas Daniel Margulies, M.D. had 11 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.