Christopher Michael Diehl, MD
Psychiatry Physician · Pittsburgh, PA
Christopher Michael Diehl, MD is a psychiatry physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1134757222, issued on Apr 1, 2020. Check the license (Pennsylvania MD484453, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Christopher Michael Diehl
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- MD484453 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Bower Hill RD, Pittsburgh, PA 15243
- Phone
- (412) 942-4000
- Enumerated
- Apr 1, 2020
- Record last updated
- Jul 15, 2024
- Medicare enrollment
- Enrolled (PECOS I20240716000708); accepts Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,662 in Pennsylvania → Look up another NPI →
Also registered at 1000 Bower Hill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ashley AshaoluCertified Registered Nurse Anesthetist1124575782
Verify Christopher Michael Diehl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD484453Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average psychiatry physician in 2024
118 Medicare Part D claims for 29 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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
- St Clair Medical Services IncPittsburgh, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Michael Diehl among 2,662 psychiatry physician records in Pennsylvania
Christopher Michael Diehl, MD is one of 2,662 psychiatry physician records with a practice address in Pennsylvania. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 86% of them.
- NPI issued2020 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2020 · median 2003 among the 1,186 with a school on file
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
324 psychiatry physician records list a practice address in Pittsburgh
They are 324 of the 28,866 NPPES records with a practice address in Pittsburgh, and 2,662 psychiatry physician records in Pennsylvania.
All 2,662 in Pennsylvania → Every provider in Pittsburgh → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Abraham Rodriguez, MDPittsburgh, PA 152431962089359
- Horacio Spina, MDPittsburgh, PA 152431316946775
- Kenneth Vonderporten, M.D.Pittsburgh, PA 152431770552200
- Alan Axelson, MDPittsburgh, PA 152411447224910
- Jill Bradshaw, MDPittsburgh, PA 152411245421023
- Claire Cohen, M.D.Pittsburgh, PA 152411013094325
- Matthew Conlon, M.D.Pittsburgh, PA 152411720406820
- Richard Dyer, M.D.Pittsburgh, PA 152411477587962
Common questions
What is Christopher Michael Diehl, MD's NPI number?
Christopher Michael Diehl, MD's National Provider Identifier (NPI) is 1134757222, issued on Apr 1, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Michael Diehl, MD located?
The NPPES record lists a practice address at 1000 Bower Hill RD, Pittsburgh, PA, 15243. Phone: (412) 942-4000. Providers update this record themselves, so call before visiting.
How can I verify Christopher Michael Diehl, MD's license?
NPPES lists Pennsylvania license number MD484453, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christopher Michael Diehl, MD prescribe under Medicare Part D?
In 2024, Christopher Michael Diehl, MD had 118 Medicare Part D claims for 29 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.