Herbert George Wendelken, D.O.
Obstetrics & Gynecology Physician · Haverford, PA
Herbert George Wendelken, D.O. is an obstetrics & gynecology physician with a practice address in Haverford, Pennsylvania, and NPI 1801122627, issued on Oct 29, 2009. Check the license (Pennsylvania OS002627L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Herbert George Wendelken
- Credential
- D.O.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- OS002627L PA
Self-reported in NPPES; status is on the state search - Practice location
- 435 Berkley RD, Haverford, PA 19041
- Phone
- (610) 645-5167
- Enumerated
- Oct 29, 2009
- Record last updated
- Oct 29, 2009 (not updated in 17 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,974 in Pennsylvania → Look up another NPI →
Verify Herbert George Wendelken in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS002627LCheck 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 obstetrics & gynecology physician in 2024
58 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Carvedilol11 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.
Herbert George Wendelken among 1,974 obstetrics & gynecology physician records in Pennsylvania
Herbert George Wendelken, D.O. is one of 1,974 obstetrics & gynecology physician records with a practice address in Pennsylvania. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 55% of them.
- NPI issued2009 · 55% of these records are older, 42% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2009 · 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 207V00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Pennsylvania
There are 1,974 obstetrics & gynecology physician records in Pennsylvania.
All 1,974 in Pennsylvania → Every provider in Haverford → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Janee Fonslick, MDHorsham, PA 190441891790317
- Nancy Galella, MDHorsham, PA 190441295730729
- Miriam Harden, MDHorsham, PA 190441134105208
- Upasana MadanHorsham, PA 190441104321702
- Dana Mahlab, D.O.Horsham, PA 190441538320783
- Maritza Martinez, MDHorsham, PA 190441043216377
- Amory Meigs, MDHorsham, PA 190441982670436
- Alice Roberts, MDHorsham, PA 190441285630665
Common questions
What is Herbert George Wendelken, D.O.'s NPI number?
Herbert George Wendelken, D.O.'s National Provider Identifier (NPI) is 1801122627, issued on Oct 29, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Herbert George Wendelken, D.O. located?
The NPPES record lists a practice address at 435 Berkley RD, Haverford, PA, 19041. Phone: (610) 645-5167. Providers update this record themselves, so call before visiting.
How can I verify Herbert George Wendelken, D.O.'s license?
NPPES lists Pennsylvania license number OS002627L, 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 Herbert George Wendelken, D.O. prescribe under Medicare Part D?
In 2024, Herbert George Wendelken, D.O. had 58 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.