Regina Thaddeus, DO
Family Medicine Physician · Chambersburg, PA
Regina Thaddeus, DO is a family medicine physician with a practice address in Chambersburg, Pennsylvania, and NPI 1104442334, issued on Jun 23, 2020. Check the license (Pennsylvania OS022864, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Regina Thaddeus
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS022864 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3106 Philadelphia Ave, Chambersburg, PA 17201
- Phone
- (717) 264-3644
- Enumerated
- Jun 23, 2020
- Record last updated
- Aug 4, 2025
- Medicare enrollment
- Enrolled (PECOS I20230928001020); accepts Medicare assignment
- Medical or professional school
- Rowan University School Of Osteopathic Medicine, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 3106 Philadelphia Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Stephen Flack, M. D.Hospitalist Physician1396742631
- Paula Hamilton, CRNPFamily Nurse Practitioner1821095753
- Danielle Hull, PA-CMedical Physician Assistant1861844078
Verify Regina Thaddeus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS022864Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average family medicine physician in 2024
1,245 Medicare Part D claims for 399 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 19 claims were for opioids.
Most prescribed
- Levothyroxine Sodium65 claims
- Atorvastatin Calcium43 claims
- Metoprolol Succinate37 claims
- Lisinopril35 claims
- Gabapentin33 claims
- Albuterol Sulfate Hfa30 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
- Phoenix Rehabilitation And Health Services IncCranberry Twp, PA
- Wellspan Medical GroupYork, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Regina Thaddeus among 7,483 family medicine physician records in Pennsylvania
Regina Thaddeus, DO is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% 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 83% of them.
- NPI issued2020 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2020 · median 2005 among the 4,529 with a school on file
- Record last updated2025 · 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
58 family medicine physician records list a practice address in Chambersburg
They are 58 of the 1,537 NPPES records with a practice address in Chambersburg, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Chambersburg → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Samuel Bricker, MDChambersburg, PA 172011144227620
- Herman Brubaker, MDChambersburg, PA 172011609870054
- James Bruckart, MDChambersburg, PA 172011194707695
- Jennifer Chan, M.D.Chambersburg, PA 172011073510418
- Ernest Charlesworth, MDChambersburg, PA 172011366448391
- Chad Good, DOChambersburg, PA 172011164426656
- William Kramer, MDChambersburg, PA 172011982600987
- Karla Lowman, MDChambersburg, PA 172011962406330
Common questions
What is Regina Thaddeus, DO's NPI number?
Regina Thaddeus, DO's National Provider Identifier (NPI) is 1104442334, issued on Jun 23, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Regina Thaddeus, DO located?
The NPPES record lists a practice address at 3106 Philadelphia Ave, Chambersburg, PA, 17201. Phone: (717) 264-3644. Providers update this record themselves, so call before visiting.
How can I verify Regina Thaddeus, DO's license?
NPPES lists Pennsylvania license number OS022864, 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 Regina Thaddeus, DO prescribe under Medicare Part D?
In 2024, Regina Thaddeus, DO had 1,245 Medicare Part D claims for 399 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.