Henry T. Dietrich, M.D.
Addiction Medicine (Family Medicine) Physician · Williamsport, PA
Henry T. Dietrich, M.D. is an addiction medicine (family medicine) physician with a practice address in Williamsport, Pennsylvania, and NPI 1922074046, issued on Feb 28, 2006. Check the license (Pennsylvania MD045437E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Henry T. Dietrich
- Credential
- M.D.
- Primary taxonomy
- Addiction Medicine (Family Medicine) Physician 207QA0401X
- License number
- MD045437E PA
Self-reported in NPPES; status is on the state search - Practice location
- 425 Market St, Williamsport, PA 17701
- Phone
- (570) 368-4477
- Enumerated
- Feb 28, 2006
- Record last updated
- Aug 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (570) 368-4476
- Medicaid ID
- 001192281 PA
- Entity
- Type 1 · individual
8 nearest addiction medicine (family medicine) physician records → All 40 in Pennsylvania → Look up another NPI →
Also registered at 425 Market St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deann Hansum, PA-CPhysician Assistant1396145413
- Ifeanyi Nwadukwe, MDAddiction Medicine (Preventive Medicine) Physician1992207831
- A Parks, D.M.D.Periodontics1699784132
Verify Henry T. Dietrich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD045437ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average addiction medicine (family medicine) physician in 2024
84 Medicare Part D claims for 38 beneficiaries, against an average of 664 among the 581 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Buprenorphine-Naloxone32 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.
Henry T. Dietrich among 40 addiction medicine (family medicine) physician records in Pennsylvania
Henry T. Dietrich, M.D. is one of 40 addiction medicine (family medicine) physician records with a practice address in Pennsylvania. 70% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 35% of these records are
- Record last updated2020 · 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 207QA0401X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Medicine (Family Medicine) Physician providers in Pennsylvania
There are 40 addiction medicine (family medicine) physician records in Pennsylvania.
All 40 in Pennsylvania → Every provider in Williamsport → Addiction Medicine (Family Medicine) Physician nationwide →
The 8 addiction medicine (family medicine) physician records with the nearest ZIP codes
- Gregory Famiglio, M.D.Williamsport, PA 177011992908503
- Todd Fausnaught, MDBloomsburg, PA 178151538137070
- Joseph Valdez, MDBloomsburg, PA 178151922327600
- Staci Mulcahy, D.O.Bethlehem, PA 180171538328927
- Robert Matylewicz, D.O.Wrightsville, PA 173681629057492
- William Santoro, M.D.Allentown, PA 181021326081241
- Mark Mascari, DOMechanicsburg, PA 170501356316707
- James Latronica, DOHershey, PA 170331730609157
Common questions
What is Henry T. Dietrich, M.D.'s NPI number?
Henry T. Dietrich, M.D.'s National Provider Identifier (NPI) is 1922074046, issued on Feb 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Henry T. Dietrich, M.D. located?
The NPPES record lists a practice address at 425 Market St, Williamsport, PA, 17701. Phone: (570) 368-4477. Providers update this record themselves, so call before visiting.
How can I verify Henry T. Dietrich, M.D.'s license?
NPPES lists Pennsylvania license number MD045437E, 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 Henry T. Dietrich, M.D. prescribe under Medicare Part D?
In 2024, Henry T. Dietrich, M.D. had 84 Medicare Part D claims for 38 beneficiaries; the average among addiction medicine (family medicine) physician prescribers was 664. 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.