NPPES file of Aug 9, 2026

Sarah Anne Wasserman, D.O.

Gastroenterology Physician · Portage, MI

Sarah Anne Wasserman, D.O. is a gastroenterology physician with a practice address in Portage, Michigan, and NPI 1023303641, issued on Jun 10, 2011. Check the license (Michigan 5101019449, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023303641
Name
Sarah Anne Wasserman
Credential
D.O.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
5101019449 MI
Self-reported in NPPES; status is on the state search
Practice location
3304 Cooley CT, Portage, MI 49024
Phone
(269) 349-2266
Enumerated
Jun 10, 2011
Record last updated
Nov 27, 2023
Fax
(269) 349-0792
Medicare enrollment
Enrolled (PECOS I20171010000953); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Osteopathic Medicine, 2011
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3304 Cooley CT

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Steven Abshagen, P.A.Physician Assistant1649322678
  2. Shahid Aziz, DOGastroenterology Physician1588616205
  3. Allan Barbish, M.D.Gastroenterology Physician1891743191
  4. Katelin BensmanPhysician Assistant1598591299
  5. Shantel Bleeker, PA-C, RDMedical Physician Assistant1710389853
  6. Kaitlin Dennett, FNPFamily Nurse Practitioner1356161756

Verify Sarah Anne Wasserman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 5101019449
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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62% fewer Medicare Part D claims than the average gastroenterology physician in 2024

309 Medicare Part D claims for 144 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Sarah Wasserman309
  2. Specialty average811

Most prescribed

  1. Omeprazole69 claims
  2. Gavilyte-G27 claims
  3. Famotidine22 claims
  4. Balsalazide Disodium20 claims
  5. Colestipol Hcl19 claims
  6. Lubiprostone16 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 practice group's MIPS final score for 2023 (Medicare payment program): 84.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score81.3
  2. Costout of 100 · 30%68.3
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $163.61

8 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sarah Wasserman$163.61
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Bronson Methodist HospitalPortage, MI · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Sarah Anne Wasserman among 550 gastroenterology physician records in Michigan

Sarah Anne Wasserman, D.O. is one of 550 gastroenterology physician records with a practice address in Michigan. 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 2011, is newer than 71% of them.

  • NPI issued2011 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2011 · median 2003 among the 415 with a school on file
  • Record last updated2023 · 52% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Michigan

There are 550 gastroenterology physician records in Michigan.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Shahid Aziz, DOPortage, MI 490241588616205
  2. Allan Barbish, M.D.Portage, MI 490241891743191
  3. Henry Dust, MDPortage, MI 490241548617111
  4. Vincent Ganapini, DOPortage, MI 490241487094397
  5. Heidi Gjersoe, M.D.Portage, MI 490241679538581
  6. Thomas Gushurst, M.D.Portage, MI 490241912962838
  7. Chethana Kanaparthi, M.D.Portage, MI 490241295982031
  8. William Webb, M.D., PH DPortage, MI 490241790740603

Common questions

What is Sarah Anne Wasserman, D.O.'s NPI number?

Sarah Anne Wasserman, D.O.'s National Provider Identifier (NPI) is 1023303641, issued on Jun 10, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Anne Wasserman, D.O. located?

The NPPES record lists a practice address at 3304 Cooley CT, Portage, MI, 49024. Phone: (269) 349-2266. Providers update this record themselves, so call before visiting.

How can I verify Sarah Anne Wasserman, D.O.'s license?

NPPES lists Michigan license number 5101019449, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sarah Anne Wasserman, D.O. prescribe under Medicare Part D?

In 2024, Sarah Anne Wasserman, D.O. had 309 Medicare Part D claims for 144 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Sarah Anne Wasserman, D.O.'s MIPS final score?

The 2023 MIPS final score is 84.9 of 100, reported for the practice group. 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.