Christopher Thomas Rihn, MD
Internal Medicine Physician · Greensburg, PA
Christopher Thomas Rihn, MD is an internal medicine physician with a practice address in Greensburg, Pennsylvania, and NPI 1720053150, issued on Feb 21, 2006. Check the license (Pennsylvania MD421349, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Christopher Thomas Rihn
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD421349 PA
Self-reported in NPPES; status is on the state search - Practice location
- 4000 Hempfield Plaza Blvd, Greensburg, PA 15601
- Phone
- (724) 832-9300
- Enumerated
- Feb 21, 2006
- Record last updated
- Dec 5, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (724) 832-9303
- Medicaid ID
- 001943182 PA
- Medicare enrollment
- Enrolled (PECOS I20040902000836); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 4000 Hempfield Plaza Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kimberly Ridilla, RPHPharmacist1215213715
Verify Christopher Thomas Rihn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD421349Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.5 times the Medicare Part D claims of the average internal medicine physician in 2024
11,206 Medicare Part D claims for 832 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 284 claims were for opioids.
Most prescribed
- Amlodipine Besylate498 claims
- Levothyroxine Sodium469 claims
- Losartan Potassium428 claims
- Rosuvastatin Calcium422 claims
- Atorvastatin Calcium355 claims
- Lisinopril325 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 2 group practices
- Excela Health Physician Practices, IncGreensburg, PA
- Upmc Community Medicine IncPittsburgh, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Thomas Rihn among 7,300 internal medicine physician records in Pennsylvania
Christopher Thomas Rihn, MD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2000 · median 2008 among the 4,208 with a school on file
- Record last updated2018 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Pennsylvania
There are 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Greensburg → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nikhil AsherGreensburg, PA 156011831366129
- Eric Campbell, MDGreensburg, PA 156011982676458
- James Caramanna, MDGreensburg, PA 156011932378304
- Gregg Chirigos, MDGreensburg, PA 156011871585554
- Stephanie Chirigos, DOGreensburg, PA 156011780676460
- Angelo Demezza, M.D.Greensburg, PA 156011477716546
- Scott JacobsonGreensburg, PA 156011629012414
- Bharat Jain, MDGreensburg, PA 156011366448508
Common questions
What is Christopher Thomas Rihn, MD's NPI number?
Christopher Thomas Rihn, MD's National Provider Identifier (NPI) is 1720053150, issued on Feb 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Thomas Rihn, MD located?
The NPPES record lists a practice address at 4000 Hempfield Plaza Blvd, Greensburg, PA, 15601. Phone: (724) 832-9300. Providers update this record themselves, so call before visiting.
How can I verify Christopher Thomas Rihn, MD's license?
NPPES lists Pennsylvania license number MD421349, 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 Thomas Rihn, MD prescribe under Medicare Part D?
In 2024, Christopher Thomas Rihn, MD had 11,206 Medicare Part D claims for 832 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.