NPPES file of Aug 9, 2026

Stephanie Dawn Diehlmann, MD

Family Medicine Physician · Columbus, OH

Stephanie Dawn Diehlmann, MD is a family medicine physician with a practice address in Columbus, Ohio, and NPI 1790885283, issued on Sep 24, 2006. Check the license (Ohio 122809, 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
1790885283
Name
Stephanie Dawn Diehlmann
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
122809 OH
L8044 TX
Self-reported in NPPES; status is on the state search
Practice location
1160 W Broad St, Columbus, OH 43222
Phone
(614) 274-1455
Enumerated
Sep 24, 2006
Record last updated
Nov 20, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(614) 274-2040
Medicare enrollment
Enrolled (PECOS I20070730000578); accepts Medicare assignment
Medical or professional school
Ohio State University College Of Medicine, 2002
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 1160 W Broad St

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

  1. Amanda Adepalli, MDFamily Medicine Physician1730442245
  2. John Ahler, RPHPharmacist1609410299
  3. Nate Arnold, PA-CPhysician Assistant1538856075
  4. Jori BlumeClinical Social Worker1083017859
  5. Brittany Boone, APRNFamily Nurse Practitioner1457885097
  6. Anja Brokaw, NP-CFamily Nurse Practitioner1144538885

Verify Stephanie Dawn Diehlmann 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 122809
    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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99% fewer Medicare Part D claims than the average family medicine physician in 2024

49 Medicare Part D claims for 22 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Stephanie Diehlmann49
  2. Specialty average3,544

Most prescribed

  1. Estradiol18 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. Moore County Hospital DistrictDumas, TX

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

Stephanie Dawn Diehlmann among 5,606 family medicine physician records in Ohio

Stephanie Dawn Diehlmann, MD is one of 5,606 family medicine physician records with a practice address in Ohio. 80% 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 18% of them.

  • NPI issued2006 · 18% of these records are older, 48% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2002 · median 2005 among the 3,510 with a school on file
  • Record last updated2014 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

424 family medicine physician records list a practice address in Columbus

They are 424 of the 36,491 NPPES records with a practice address in Columbus, and 5,606 family medicine physician records in Ohio.

The 8 family medicine physician records with the nearest ZIP codes

  1. Amanda Adepalli, MDColumbus, OH 432221730442245
  2. Corey Amann, M.D.Columbus, OH 432221972763779
  3. Brian Beesley, DOColumbus, OH 432221447213970
  4. Mirela CrisanColumbus, OH 432221104864891
  5. Emanuel Dolph, MDColumbus, OH 432221821357062
  6. Jennifer Hartman, MDColumbus, OH 432221811008840
  7. Terresa Hawthorne, MDColumbus, OH 432221104891944
  8. Harold Mason, M.D.Columbus, OH 432221265692057

Common questions

What is Stephanie Dawn Diehlmann, MD's NPI number?

Stephanie Dawn Diehlmann, MD's National Provider Identifier (NPI) is 1790885283, issued on Sep 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie Dawn Diehlmann, MD located?

The NPPES record lists a practice address at 1160 W Broad St, Columbus, OH, 43222. Phone: (614) 274-1455. Providers update this record themselves, so call before visiting.

How can I verify Stephanie Dawn Diehlmann, MD's license?

NPPES lists Ohio license number 122809, 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 Stephanie Dawn Diehlmann, MD prescribe under Medicare Part D?

In 2024, Stephanie Dawn Diehlmann, MD had 49 Medicare Part D claims for 22 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.