Joseph A. Santiesteban, MD
Internal Medicine Physician · Pittsburgh, PA
Joseph A. Santiesteban, MD is an internal medicine physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1568441756, issued on Jan 16, 2006. Check the license (Pennsylvania MD039877L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Joseph A. Santiesteban
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD039877L PA
Self-reported in NPPES; status is on the state search - Practice location
- 5426 Mifflin RD, Pittsburgh, PA 15207
- Phone
- (412) 462-1800
- Enumerated
- Jan 16, 2006
- Record last updated
- Mar 20, 2026
- Fax
- (412) 462-5006
- Medicare enrollment
- Enrolled (PECOS I20040128000152); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 5426 Mifflin RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joseph A. Santiesteban in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD039877LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,397 Medicare Part D claims for 441 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 21 claims were for opioids.
Most prescribed
- Atorvastatin Calcium159 claims
- Amlodipine Besylate78 claims
- Lisinopril67 claims
- Gabapentin62 claims
- Levothyroxine Sodium56 claims
- Ozempic51 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.
The MIPS final score for 2023 (Medicare payment program): 93.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $70.93
3 payments; by number, the most common kind was food and beverage; the largest payer was iRhythm Technologies, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Joseph A. Santiesteban among 7,300 internal medicine physician records in Pennsylvania
Joseph A. Santiesteban, MD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1981 · median 2008 among the 4,208 with a school on file
- Record last updated2026 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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 7,300 in Pennsylvania → Every provider in Pittsburgh → Internal Medicine Physician nationwide →
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- Brian Lamb, DOPittsburgh, PA 152061548365836
Common questions
What is Joseph A. Santiesteban, MD's NPI number?
Joseph A. Santiesteban, MD's National Provider Identifier (NPI) is 1568441756, issued on Jan 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph A. Santiesteban, MD located?
The NPPES record lists a practice address at 5426 Mifflin RD, Pittsburgh, PA, 15207. Phone: (412) 462-1800. Providers update this record themselves, so call before visiting.
How can I verify Joseph A. Santiesteban, MD's license?
NPPES lists Pennsylvania license number MD039877L, 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 Joseph A. Santiesteban, MD prescribe under Medicare Part D?
In 2024, Joseph A. Santiesteban, MD had 2,397 Medicare Part D claims for 441 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Joseph A. Santiesteban, MD's MIPS final score?
The 2023 MIPS final score is 93.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.