NPPES file of Aug 9, 2026

Caleb T. Spencer, MD

Hospitalist Physician · Toledo, OH

Caleb T. Spencer, MD is a hospitalist physician with a practice address in Toledo, Ohio, and NPI 1124604558, issued on Mar 24, 2021. Check the license (Ohio 35.151043, as entered in NPPES) on the State Medical Board of Ohio; 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
1124604558
Name
Caleb T. Spencer
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
35.151043 OH
Self-reported in NPPES; status is on the state search
Practice location
3000 Arlington Ave, Toledo, OH 43614
Phone
(419) 383-4000
Enumerated
Mar 24, 2021
Record last updated
Jan 21, 2026
Fax
(419) 383-3058
Medicare enrollment
Enrolled (PECOS I20240628003640); accepts Medicare assignment
Medical or professional school
University Of Missouri, Kansas City, 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 3000 Arlington Ave

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

  1. Hassan-James AbbasSurgery Physician1891317947
  2. Moshrik Abd-Alamir, M.D.Cardiovascular Disease Physician1386879054
  3. Ahmad Abdelrahman, MDInternal Medicine Physician1134859192
  4. Yasser Abu-Sabha, MDStudent in an Organized Health Care Education/Training Program1225886369
  5. Laana AbutahaStudent in an Organized Health Care Education/Training Program1649080656
  6. Kelsey AdamsPhysician Assistant1427828458

Verify Caleb T. Spencer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35.151043
    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 Ohio 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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11% more Medicare Part D claims than the average hospitalist physician in 2024

577 Medicare Part D claims for 109 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Caleb Spencer577
  2. Specialty average521

Most prescribed

  1. Atorvastatin Calcium39 claims
  2. Levetiracetam23 claims
  3. Pantoprazole Sodium23 claims
  4. Carvedilol20 claims
  5. Furosemide20 claims
  6. Spironolactone20 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. University OF Toledo Physicians LLCToledo, OH

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

Caleb T. Spencer among 982 hospitalist physician records in Ohio

Caleb T. Spencer, MD is one of 982 hospitalist physician records with a practice address in Ohio. 92% 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 86% of them.

  • NPI issued2021 · 86% of these records are older, 9% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileYes · 85% of these records are
  • Graduated2021 · median 2012 among the 835 with a school on file
  • Record last updated2026 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Ohio

There are 982 hospitalist physician records in Ohio.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Zohaib Ahmed, MDToledo, OH 436141518341544
  2. Kyu Chul Chang, MDToledo, OH 436141164090577
  3. Faiza FakharToledo, OH 436141124441449
  4. Manesh Kumar GangwaniToledo, OH 436141609362474
  5. Omar Horani, MDToledo, OH 436141962897264
  6. Asif Mahmood, MDToledo, OH 436141205908324
  7. Sarmed Mansur, M.D.Toledo, OH 436141104212760
  8. Nooraldin Merza, M.D.Toledo, OH 436141336672088

Common questions

What is Caleb T. Spencer, MD's NPI number?

Caleb T. Spencer, MD's National Provider Identifier (NPI) is 1124604558, issued on Mar 24, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Caleb T. Spencer, MD located?

The NPPES record lists a practice address at 3000 Arlington Ave, Toledo, OH, 43614. Phone: (419) 383-4000. Providers update this record themselves, so call before visiting.

How can I verify Caleb T. Spencer, MD's license?

NPPES lists Ohio license number 35.151043, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Caleb T. Spencer, MD prescribe under Medicare Part D?

In 2024, Caleb T. Spencer, MD had 577 Medicare Part D claims for 109 beneficiaries; the average among hospitalist physician prescribers was 521. 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.