Mary Ann Karp, D.O.
Family Medicine Physician · Harleysville, PA
Mary Ann Karp, D.O. is a family medicine physician with a practice address in Harleysville, Pennsylvania, and NPI 1568488591, issued on Jul 14, 2006. Check the license (Pennsylvania OS009656L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Mary Ann Karp
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS009656L PA
Self-reported in NPPES; status is on the state search - Practice location
- 176 Main St, Harleysville, PA 19438
- Phone
- (215) 256-9531
- Enumerated
- Jul 14, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (215) 256-9134
- Medicare enrollment
- Enrolled (PECOS I20101022000494); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 176 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Lorraine, M.D.Internal Medicine Physician1528052347
- Karen Maxwell, PA-CPhysician Assistant1336165364
- Andrea Thomas, PA-CMedical Physician Assistant1801318993
Verify Mary Ann Karp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS009656LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average family medicine physician in 2024
5,225 Medicare Part D claims for 476 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 46 claims were for opioids.
Most prescribed
- Atorvastatin Calcium258 claims
- Lisinopril255 claims
- Rosuvastatin Calcium237 claims
- Levothyroxine Sodium226 claims
- Amlodipine Besylate181 claims
- Simvastatin159 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: $730.42
37 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 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 3 group practices
- Grand View HospitalHarleysville, PA
- Phoenix Rehabilitation And Health Services IncCranberry Twp, PA
- St Lukes Physician Group IncQuakertown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Ann Karp among 7,483 family medicine physician records in Pennsylvania
Mary Ann Karp, D.O. is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1996 · median 2005 among the 4,529 with a school on file
- Record last updated2007 · 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 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 family medicine physician records list a practice address in Harleysville
They are 11 of the 226 NPPES records with a practice address in Harleysville, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Harleysville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Brian Bock, D.O.Harleysville, PA 194381790720928
- Curt Carlier, MDHarleysville, PA 194381942254040
- Ralph Derstine, M.D.Harleysville, PA 194381265680938
- Nazely Khandkar, MDHarleysville, PA 194381093330060
- Dusty Mahosky Ukropec, MDHarleysville, PA 194381972507341
- Richard Pierotti, MDHarleysville, PA 194381699729053
- Suzann Szewczak, D.O.Harleysville, PA 194381114962800
- Deborah Topakas, DOHarleysville, PA 194381982601241
Common questions
What is Mary Ann Karp, D.O.'s NPI number?
Mary Ann Karp, D.O.'s National Provider Identifier (NPI) is 1568488591, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ann Karp, D.O. located?
The NPPES record lists a practice address at 176 Main St, Harleysville, PA, 19438. Phone: (215) 256-9531. Providers update this record themselves, so call before visiting.
How can I verify Mary Ann Karp, D.O.'s license?
NPPES lists Pennsylvania license number OS009656L, 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 Mary Ann Karp, D.O. prescribe under Medicare Part D?
In 2024, Mary Ann Karp, D.O. had 5,225 Medicare Part D claims for 476 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.