NPPES file of Aug 9, 2026

Robert Alan Calleja, MD

Emergency Medicine Physician · Saginaw, MI

Robert Alan Calleja, MD is an emergency medicine physician with a practice address in Saginaw, Michigan, and NPI 1316521644, issued on May 12, 2021. Check the license (Michigan 4301511291, 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
1316521644
Name
Robert Alan Calleja
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
4301511291 MI
4351047669 MI
Self-reported in NPPES; status is on the state search
Practice location
800 S Washington Ave, Saginaw, MI 48601
Phone
(989) 907-8000
Enumerated
May 12, 2021
Record last updated
Jun 25, 2024
Medicare enrollment
Enrolled (PECOS I20240801003722); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 2021
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 800 S Washington Ave

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

  1. Samer Abboud, MDInternal Medicine Physician1245804178
  2. Khurshid Ahmad, M.D.Radiation Oncology Physician1487631222
  3. Wasef Al-Khateeb, MDInternal Medicine Physician1740912138
  4. Abdul Aleem, M.DHospitalist Physician1922551019
  5. Ramadan AlgamalDiagnostic Radiology Physician1801478722
  6. Mohamed Ayman, MDPulmonary Disease Physician1679131957

Verify Robert Alan Calleja 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 4301511291
    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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71% fewer Medicare Part D claims than the average emergency medicine physician in 2024

66 Medicare Part D claims for 51 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Robert Calleja66
  2. Specialty average226

Most prescribed

  1. Cephalexin13 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. Cep America LLCSaginaw, MI

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

Robert Alan Calleja among 3,083 emergency medicine physician records in Michigan

Robert Alan Calleja, MD is one of 3,083 emergency medicine physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 82% of them.

  • NPI issued2021 · 82% of these records are older, 14% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2021 · median 2013 among the 1,931 with a school on file
  • Record last updated2024 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

182 emergency medicine physician records list a practice address in Saginaw

They are 182 of the 6,008 NPPES records with a practice address in Saginaw, and 3,083 emergency medicine physician records in Michigan.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Stephanie Duggan, MDSaginaw, MI 486011417083452
  2. Andrew Franklin, MDSaginaw, MI 486011023144433
  3. Brian Hartfelder, MDSaginaw, MI 486011598891558
  4. Anjanette Kemp, DOSaginaw, MI 486011477689461
  5. Steven McLean, MDSaginaw, MI 486011164558052
  6. Rita Mihaltan, DOSaginaw, MI 486011063095255
  7. George Moylan, DOSaginaw, MI 486011376679274
  8. Jeffery Nielsen, MDSaginaw, MI 486011528194461

Common questions

What is Robert Alan Calleja, MD's NPI number?

Robert Alan Calleja, MD's National Provider Identifier (NPI) is 1316521644, issued on May 12, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Robert Alan Calleja, MD located?

The NPPES record lists a practice address at 800 S Washington Ave, Saginaw, MI, 48601. Phone: (989) 907-8000. Providers update this record themselves, so call before visiting.

How can I verify Robert Alan Calleja, MD's license?

NPPES lists Michigan license number 4301511291, 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 Robert Alan Calleja, MD prescribe under Medicare Part D?

In 2024, Robert Alan Calleja, MD had 66 Medicare Part D claims for 51 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.