NPPES file of Aug 9, 2026

Jeffrey Chimahosky, D.O.

Internal Medicine Physician · Pottsville, PA

Jeffrey Chimahosky, D.O. is an internal medicine physician with a practice address in Pottsville, Pennsylvania, and NPI 1891723953, issued on Jun 29, 2006. Check the license (Pennsylvania OS013721, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1891723953
Name
Jeffrey Chimahosky
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
OS013721 PA
Self-reported in NPPES; status is on the state search
Practice location
1720 W Market St, Pottsville, PA 17901
Phone
(570) 622-1910
Enumerated
Jun 29, 2006
Record last updated
Dec 19, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(570) 622-5030
Medicare enrollment
Enrolled (PECOS I20060919000096); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 1995
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Verify Jeffrey Chimahosky in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license OS013721
    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 Pennsylvania 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

22% more Medicare Part D claims than the average internal medicine physician in 2024

3,885 Medicare Part D claims for 237 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 112 claims were for opioids.

  1. Jeffrey Chimahosky3,885
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium189 claims
  2. Atorvastatin Calcium177 claims
  3. Lisinopril157 claims
  4. Metoprolol Succinate157 claims
  5. Amlodipine Besylate147 claims
  6. Metformin Hcl105 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.

Industry payments in 2024: $13.45

1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jeffrey Chimahosky$13.45
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Phoenix Rehabilitation And Health Services IncCranberry Twp, PA

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

Jeffrey Chimahosky among 7,300 internal medicine physician records in Pennsylvania

Jeffrey Chimahosky, D.O. 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
  • Graduated1995 · median 2008 among the 4,208 with a school on file
  • Record last updated2012 · 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).

19 internal medicine physician records list a practice address in Pottsville

They are 19 of the 660 NPPES records with a practice address in Pottsville, and 7,300 internal medicine physician records in Pennsylvania.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Riffat Akhtar, M.D.Pottsville, PA 179011295726305
  2. Denis Bane, MDPottsville, PA 179011396717898
  3. Suzanne CotterPottsville, PA 179011609804137
  4. Robert Greco, M.D.Pottsville, PA 179011295706349
  5. Kimberly Hashin, MDPottsville, PA 179011972576403
  6. George Heffner, MDPottsville, PA 179011396717815
  7. Dianna Lazur, D.O.Pottsville, PA 179011144292764
  8. Carol Miller-Schaeffer, MDPottsville, PA 179011912970443

Common questions

What is Jeffrey Chimahosky, D.O.'s NPI number?

Jeffrey Chimahosky, D.O.'s National Provider Identifier (NPI) is 1891723953, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Chimahosky, D.O. located?

The NPPES record lists a practice address at 1720 W Market St, Pottsville, PA, 17901. Phone: (570) 622-1910. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey Chimahosky, D.O.'s license?

NPPES lists Pennsylvania license number OS013721, 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 Jeffrey Chimahosky, D.O. prescribe under Medicare Part D?

In 2024, Jeffrey Chimahosky, D.O. had 3,885 Medicare Part D claims for 237 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.