NPPES file of Aug 9, 2026

Mary Ann R. Domingo, M.D.

Rheumatology Physician · Granger, IN

Mary Ann R. Domingo, M.D. is a rheumatology physician with a practice address in Granger, Indiana, and NPI 1053396127, issued on Dec 13, 2005. Check the license (Indiana 01061323A, as entered in NPPES) on the Medical Licensing Board of Indiana; 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
1053396127
Name
Mary Ann R. Domingo
Credential
M.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
01061323A IN
Self-reported in NPPES; status is on the state search
Practice location
6901 N Main St Ste 102, Granger, IN 46530
Phone
(574) 647-4500
Enumerated
Dec 13, 2005
Record last updated
Aug 7, 2025
Fax
(574) 647-6354
Medicaid ID
200537970 IN
Medicare enrollment
Enrolled (PECOS I20051209000396); accepts Medicare assignment
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 6901 N Main St Ste 102

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

  1. Natali Balog, MDRheumatology Physician1578552386

Verify Mary Ann R. Domingo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 01061323A
    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 Indiana license search

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2.7 times the Medicare Part D claims of the average rheumatology physician in 2024

5,378 Medicare Part D claims for 758 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 633 claims were for opioids.

  1. Mary Ann Domingo5,378
  2. Specialty average1,978

Most prescribed

  1. Methotrexate716 claims
  2. Prednisone603 claims
  3. Hydroxychloroquine Sulfate506 claims
  4. Hydrocodone-Acetaminophen312 claims
  5. Gabapentin276 claims
  6. Alendronate Sodium267 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: $771.13

34 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mary Ann Domingo$771.13
  2. Specialty average$8,538.33

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

2 hospitals and group practices

  1. Memorial Hospital OF South BendGranger, IN · Acute Care Hospitals2 of 5 stars
  2. Beacon Medical Group IncGranger, IN

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.

Mary Ann R. Domingo among 127 rheumatology physician records in Indiana

Mary Ann R. Domingo, M.D. is one of 127 rheumatology physician records with a practice address in Indiana. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 85% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1994 · median 2001 among the 87 with a school on file
  • Record last updated2025 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 rheumatology physician records list a practice address in Granger

They are 4 of the 395 NPPES records with a practice address in Granger, and 127 rheumatology physician records in Indiana.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Natali Balog, MDGranger, IN 465301578552386
  2. Iryna Kulyk, MDGranger, IN 465301487062741
  3. Nicholas Straniero, M.D.Granger, IN 465301083698591
  4. Shumaila IqbalGoshen, IN 465261841712999
  5. Gordon Hughes, MDElkhart, IN 465141003895681
  6. Bruce Lockwitz, M.D.Elkhart, IN 465141043213689
  7. Alan Birnbaum, MDSouth Bend, IN 466011124057419
  8. Natalie Sessions, D.O.South Bend, IN 466141992997175

Common questions

What is Mary Ann R. Domingo, M.D.'s NPI number?

Mary Ann R. Domingo, M.D.'s National Provider Identifier (NPI) is 1053396127, issued on Dec 13, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mary Ann R. Domingo, M.D. located?

The NPPES record lists a practice address at 6901 N Main St Ste 102, Granger, IN, 46530. Phone: (574) 647-4500. Providers update this record themselves, so call before visiting.

How can I verify Mary Ann R. Domingo, M.D.'s license?

NPPES lists Indiana license number 01061323A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mary Ann R. Domingo, M.D. prescribe under Medicare Part D?

In 2024, Mary Ann R. Domingo, M.D. had 5,378 Medicare Part D claims for 758 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.