Joshua Stelmack, DO
Internal Medicine Physician · Erie, PA
Joshua Stelmack, DO is an internal medicine physician with a practice address in Erie, Pennsylvania, and NPI 1124519616, issued on May 21, 2018. Check the license (Pennsylvania OS020250, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Joshua Stelmack
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- OS020250 PA
OT018237 PA
Self-reported in NPPES; status is on the state search - Practice location
- 5515 Peach St, Erie, PA 16509
- Phone
- (814) 864-4031
- Enumerated
- May 21, 2018
- Record last updated
- Apr 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20231006000619); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2018
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 5515 Peach St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joshua Stelmack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS020250Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average internal medicine physician in 2024
728 Medicare Part D claims for 453 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 70 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass57 claims
- Sulfamethoxazole-Trimethoprim57 claims
- Ondansetron Odt52 claims
- Prednisone45 claims
- Cephalexin42 claims
- Methylprednisolone42 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).
Bills Medicare through one group practice
- Corry Memorial Hospital AssociationClymer, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua Stelmack among 7,300 internal medicine physician records in Pennsylvania
Joshua Stelmack, DO 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 2018, is newer than 71% of them.
- NPI issued2018 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2018 · median 2008 among the 4,208 with a school on file
- Record last updated2021 · 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).
100 internal medicine physician records list a practice address in Erie
They are 100 of the 5,083 NPPES records with a practice address in Erie, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Erie → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Edward Blounts, D.O.Erie, PA 165091922310721
- Garrett Clark, D.O.Erie, PA 165091063677524
- Ansley FalconErie, PA 165091518300953
- Amy Farris, DOErie, PA 165091831571470
- Mohammad Kabir, DOErie, PA 165091497276125
- Oleg Kozak, DOErie, PA 165091518452879
- Saiteja Mallipeddi, DOErie, PA 165091356836555
- Jonathan Phillips, DOErie, PA 165091104974237
Common questions
What is Joshua Stelmack, DO's NPI number?
Joshua Stelmack, DO's National Provider Identifier (NPI) is 1124519616, issued on May 21, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Stelmack, DO located?
The NPPES record lists a practice address at 5515 Peach St, Erie, PA, 16509. Phone: (814) 864-4031. Providers update this record themselves, so call before visiting.
How can I verify Joshua Stelmack, DO's license?
NPPES lists Pennsylvania license number OS020250, 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 Joshua Stelmack, DO prescribe under Medicare Part D?
In 2024, Joshua Stelmack, DO had 728 Medicare Part D claims for 453 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Joshua Stelmack, DO'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.