NPPES file of Aug 9, 2026

Mary Patricia Mortell, M.D.

Gastroenterology Physician · Ann Arbor, MI

Mary Patricia Mortell, M.D. is a gastroenterology physician with a practice address in Ann Arbor, Michigan, and NPI 1851370142, issued on Jan 13, 2006. Check the license (Michigan 4301406545, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851370142
Name
Mary Patricia Mortell
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
4301406545 MI
406545 MI
Self-reported in NPPES; status is on the state search
Practice location
1500 E Medical Center Dr, Ann Arbor, MI 48109
Phone
(734) 936-4000
Enumerated
Jan 13, 2006
Record last updated
Apr 24, 2023
Medicaid ID
2769932 MI
Medicare enrollment
Enrolled (PECOS I20040504001287); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 1989
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 1500 E Medical Center Dr

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

  1. Bryan Aaron, MDObstetrics & Gynecology Physician1578307724
  2. Keith Aaronson, MDAdvanced Heart Failure and Transplant Cardiology Physician1144305301
  3. Rajani Aatre, M.S., M.SC.Genetic Counselor (M.S.)1962122457
  4. Anjelica Abate, MDDiagnostic Radiology Physician1841819216
  5. Nicole Abbott, CRNACertified Registered Nurse Anesthetist1790329860
  6. Ahmed Abdel-Latif, M.D.Interventional Cardiology Physician1518181239

Verify Mary Patricia Mortell 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 4301406545
    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

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76% fewer Medicare Part D claims than the average gastroenterology physician in 2024

191 Medicare Part D claims for 118 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Mary Mortell191
  2. Specialty average811

Most prescribed

  1. Peg 3350-Electrolyte72 claims
  2. Omeprazole37 claims
  3. Famotidine24 claims
  4. Dicyclomine Hcl15 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 one group practice

  1. Regents OF The University OF MichiganAnn Arbor, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary Patricia Mortell among 550 gastroenterology physician records in Michigan

Mary Patricia Mortell, M.D. 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 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 50% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated1989 · 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. John Allen, MDAnn Arbor, MI 481091154393502
  2. Frederick Askari, MD, PHDAnn Arbor, MI 481091689756108
  3. Hari Conjeevaram, MDAnn Arbor, MI 481091831271360
  4. Grace Elta, MDAnn Arbor, MI 481091275615700
  5. Joseph Kolars, M.D.Ann Arbor, MI 481091447222005
  6. Hellan Kwon, MDAnn Arbor, MI 481091336152651
  7. Laurence McMahon, MDAnn Arbor, MI 481091417038647
  8. Stacy Menees, MDAnn Arbor, MI 481091508898081

Common questions

What is Mary Patricia Mortell, M.D.'s NPI number?

Mary Patricia Mortell, M.D.'s National Provider Identifier (NPI) is 1851370142, issued on Jan 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary Patricia Mortell, M.D. located?

The NPPES record lists a practice address at 1500 E Medical Center Dr, Ann Arbor, MI, 48109. Phone: (734) 936-4000. Providers update this record themselves, so call before visiting.

How can I verify Mary Patricia Mortell, M.D.'s license?

NPPES lists Michigan license number 4301406545, 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 Mary Patricia Mortell, M.D. prescribe under Medicare Part D?

In 2024, Mary Patricia Mortell, M.D. had 191 Medicare Part D claims for 118 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.