Marika Bergenstock
Gastroenterology Physician · Danville, PA
Marika Bergenstock is a gastroenterology physician with a practice address in Danville, Pennsylvania, and NPI 1518386960, issued on Apr 14, 2014. Check the license (Pennsylvania OS018984, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Marika Bergenstock
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- OS018984 PA
Self-reported in NPPES; status is on the state search - Practice location
- 100 N Academy Ave, Danville, PA 17822
- Phone
- (570) 271-6211
- Enumerated
- Apr 14, 2014
- Record last updated
- May 29, 2025
- Medicare enrollment
- Enrolled (PECOS I20171023000286); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,049 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.
- Paige AaronStudent in an Organized Health Care Education/Training Program1730976218
- 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 Marika Bergenstock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS018984Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average gastroenterology physician in 2024
749 Medicare Part D claims for 194 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Omeprazole280 claims
- Famotidine55 claims
- Linzess49 claims
- Pantoprazole Sodium45 claims
- Mesalamine40 claims
- Dicyclomine Hcl27 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
- Geisinger ClinicDanville, PA
- Geisinger-HM Joint Venture LLCMontoursville, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marika Bergenstock among 1,049 gastroenterology physician records in Pennsylvania
Marika Bergenstock is one of 1,049 gastroenterology physician records with a practice address in Pennsylvania. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 82% of them.
- NPI issued2014 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2014 · median 2003 among the 769 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
40 gastroenterology physician records list a practice address in Danville
They are 40 of the 3,116 NPPES records with a practice address in Danville, and 1,049 gastroenterology physician records in Pennsylvania.
All 1,049 in Pennsylvania → Every provider in Danville → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Nina Ahuja, M.D.Danville, PA 178221225202351
- Bradley Confer, D.O.Danville, PA 178221518132612
- David Diehl, M.D.Danville, PA 178221487647897
- Amitpal Johal, MDDanville, PA 178221720245137
- Harshit Khara, M.D.Danville, PA 178221972713147
- Sandeep Khurana, MBBSDanville, PA 178221558326207
- Michael Komar, M.D.Danville, PA 178221093774382
- Matthew Shellenberger, D.O.Danville, PA 178221619911237
Common questions
What is Marika Bergenstock's NPI number?
Marika Bergenstock's National Provider Identifier (NPI) is 1518386960, issued on Apr 14, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Marika Bergenstock located?
The NPPES record lists a practice address at 100 N Academy Ave, Danville, PA, 17822. Phone: (570) 271-6211. Providers update this record themselves, so call before visiting.
How can I verify Marika Bergenstock's license?
NPPES lists Pennsylvania license number OS018984, 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 Marika Bergenstock prescribe under Medicare Part D?
In 2024, Marika Bergenstock had 749 Medicare Part D claims for 194 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.