Natthew Arunthamakun, DO
Internal Medicine Physician · Pittsburgh, PA
Natthew Arunthamakun, DO is an internal medicine physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1861071383, issued on Apr 2, 2021. Check the license (Pennsylvania OS024039, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Natthew Arunthamakun
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS024039 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1307 Federal St Ste B300, Pittsburgh, PA 15212
- Phone
- (412) 359-3751
- Enumerated
- Apr 2, 2021
- Record last updated
- Sep 18, 2024
- Medicare enrollment
- Enrolled (PECOS I20241001003874); accepts Medicare assignment
- Medical or professional school
- Lincoln Mem Univ, Debusk Col Of Osteopathic Med, 2021
- Entity
- Type 1 · individual
Also registered at 1307 Federal St Ste B300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Natthew Arunthamakun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS024039Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
78 Medicare Part D claims for 25 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Amlodipine Besylate14 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
- Allegheny ClinicPittsburgh, PA
- Keystone Rehabilitation Systems IncSeven Fields, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
750 internal medicine physician records list a practice address in Pittsburgh
They are 750 of the 28,866 NPPES records with a practice address in Pittsburgh, and 7,300 internal medicine physician records in Pennsylvania.
All 750 in Pittsburgh → All 7,300 in Pennsylvania → Every provider in Pittsburgh →
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- Hany Abdel, D.O.Plymouth Meeting, PA1164467262
Common questions
What is Natthew Arunthamakun, DO's NPI number?
Natthew Arunthamakun, DO's National Provider Identifier (NPI) is 1861071383, issued on Apr 2, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Natthew Arunthamakun, DO located?
The NPPES record lists a practice address at 1307 Federal St Ste B300, Pittsburgh, PA, 15212. Phone: (412) 359-3751. Providers update this record themselves, so call before visiting.
How can I verify Natthew Arunthamakun, DO's license?
NPPES lists Pennsylvania license number OS024039, 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 Natthew Arunthamakun, DO prescribe under Medicare Part D?
In 2024, Natthew Arunthamakun, DO had 78 Medicare Part D claims for 25 beneficiaries; 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.