NPPES file of Aug 9, 2026

Darrell W. Petz, DO

Internal Medicine Physician · Natrona Heights, PA

Darrell W. Petz, DO is an internal medicine physician with a practice address in Natrona Heights, Pennsylvania, and NPI 1053392225, issued on Nov 7, 2005. Check the license (Pennsylvania OS004500L, 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
1053392225
Name
Darrell W. Petz
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
OS004500L PA
Self-reported in NPPES; status is on the state search
Practice location
1621 Union Ave, Natrona Heights, PA 15065
Phone
(724) 224-6700
Enumerated
Nov 7, 2005
Record last updated
Feb 6, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(724) 224-8005
Medicaid ID
0010307840009 PA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1621 Union Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Natalie Mitchell, LCSWClinical Social Worker1265016943
  2. Amanda Prorok, PA-CPhysician Assistant1851118343

Verify Darrell W. Petz 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 OS004500L
    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.

99% fewer Medicare Part D claims than the average internal medicine physician in 2024

17 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Darrell Petz17
  2. Specialty average3,176

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.

Darrell W. Petz among 7,300 internal medicine physician records in Pennsylvania

Darrell W. Petz, DO 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2008 · 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).

10 internal medicine physician records list a practice address in Natrona Heights

They are 10 of the 314 NPPES records with a practice address in Natrona Heights, and 7,300 internal medicine physician records in Pennsylvania.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Dominick DefrancesNatrona Heights, PA 150651255301123
  2. Catherine Eagon, MDNatrona Heights, PA 150651104896059
  3. Heather Hanzlik, MDNatrona Heights, PA 150651437129384
  4. Rakesh Kumar, M.D.Natrona Heights, PA 150651235288309
  5. Bruce Ling, MDNatrona Heights, PA 150651497729636
  6. Mitchell Lion, DONatrona Heights, PA 150651689175143
  7. Margaret Meals, MDNatrona Heights, PA 150651770501645
  8. Greg Meisner, DONatrona Heights, PA 150651326604190

Common questions

What is Darrell W. Petz, DO's NPI number?

Darrell W. Petz, DO's National Provider Identifier (NPI) is 1053392225, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Darrell W. Petz, DO located?

The NPPES record lists a practice address at 1621 Union Ave, Natrona Heights, PA, 15065. Phone: (724) 224-6700. Providers update this record themselves, so call before visiting.

How can I verify Darrell W. Petz, DO's license?

NPPES lists Pennsylvania license number OS004500L, 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 Darrell W. Petz, DO prescribe under Medicare Part D?

In 2024, Darrell W. Petz, DO had 17 Medicare Part D claims; 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.