Mark Mahan, DO
Surgery Physician · Danville, PA
Mark Mahan, DO is a surgery physician with a practice address in Danville, Pennsylvania, and NPI 1841730496, issued on Mar 1, 2017. Check the license (Pennsylvania OS022147, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Mark Mahan
- Credential
- DO
- Primary taxonomy
- Surgery Physician 208600000X
- License numbers
- OS022147 PA
OT017673 PA
Self-reported in NPPES; status is on the state search - Practice location
- 100 N Academy Ave, Danville, PA 17822
- Phone
- (570) 271-6361
- Enumerated
- Mar 1, 2017
- Record last updated
- Jul 27, 2022
- Fax
- (570) 271-5785
- Medicare enrollment
- Enrolled (PECOS I20220809001713); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2017
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,867 in Pennsylvania → Look up another NPI →
Also registered at 100 N Academy Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Zainab AbdulhuseinGeneral Practice Dentistry1851108419
- Kristin AblineRegistered Nurse1174368757
- Clara Abouelsaad, DOStudent in an Organized Health Care Education/Training Program1013610062
- Dana Achenbach, PHARMDPharmacist1528612975
- Maisa AdamAnatomic Pathology & Clinical Pathology Physician1568306512
Verify Mark Mahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS022147Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average surgery physician in 2024
123 Medicare Part D claims for 37 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole30 claims
- Sucralfate26 claims
- Misoprostol12 claims
- Ondansetron Hcl11 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.
Industry payments in 2024: $1,150.98
13 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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.
Bills Medicare through one group practice
- Geisinger ClinicDanville, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Mahan among 1,867 surgery physician records in Pennsylvania
Mark Mahan, DO is one of 1,867 surgery physician records with a practice address in Pennsylvania. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 71% of them.
- NPI issued2017 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2017 · median 2007 among the 932 with a school on file
- Record last updated2022 · 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 208600000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
49 surgery physician records list a practice address in Danville
They are 49 of the 3,116 NPPES records with a practice address in Danville, and 1,867 surgery physician records in Pennsylvania.
All 1,867 in Pennsylvania → Every provider in Danville → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Susan Baro, D.O.Danville, PA 178221528032331
- Peter Benotti, M.D.Danville, PA 178221154395838
- Joseph Blansfield, MDDanville, PA 178221376593459
- James Evans, M.D.Danville, PA 178221740257054
- Jon Gabrielsen, M.D.Danville, PA 178221093829939
- Terry GillilandDanville, PA 178221194852079
- John GrayDanville, PA 178221215958715
- Dianne Leonard, M.D.Danville, PA 178221225099245
Common questions
What is Mark Mahan, DO's NPI number?
Mark Mahan, DO's National Provider Identifier (NPI) is 1841730496, issued on Mar 1, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Mark Mahan, DO located?
The NPPES record lists a practice address at 100 N Academy Ave, Danville, PA, 17822. Phone: (570) 271-6361. Providers update this record themselves, so call before visiting.
How can I verify Mark Mahan, DO's license?
NPPES lists Pennsylvania license number OS022147, 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 Mark Mahan, DO prescribe under Medicare Part D?
In 2024, Mark Mahan, DO had 123 Medicare Part D claims for 37 beneficiaries; the average among surgery physician prescribers was 147. 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.