NPPES file of Aug 9, 2026

Stephen K. Klasko, MD

Obstetrics & Gynecology Physician · Philadelphia, PA

Stephen K. Klasko, MD is an obstetrics & gynecology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1336152503, issued on Aug 15, 2006. Check the license (Pennsylvania MD022242E, 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
1336152503
Name
Stephen K. Klasko
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
MD022242E PA
ME94024 FL
Self-reported in NPPES; status is on the state search
Practice location
925 Chestnut St, Philadelphia, PA 19107
Phone
(215) 327-5284
Enumerated
Aug 15, 2006
Record last updated
Mar 7, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicaid ID
273489300 FL
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.
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Also registered at 925 Chestnut St

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

  1. Maysa Abu-Khalaf, MDMedical Oncology Physician1194713495
  2. Asim AhmedStudent in an Organized Health Care Education/Training Program1669319059
  3. Seyfettin Alpdogan, MDMedical Oncology Physician1558538991
  4. Anjali Avadhani, MDHematology & Oncology Physician1194887059
  5. Rita Axelrod, M.D.Medical Oncology Physician1881616126
  6. Donald Beahm, MDOtolaryngology Physician1245423714

Verify Stephen K. Klasko 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 MD022242E
    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.

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Industry payments in 2024: $366,642.66

17 payments; by number, the most common kind was travel and lodging; the largest payer was Teleflex Incorporated. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephen Klasko$366,643
  2. Specialty average$1,031

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

Stephen K. Klasko among 1,974 obstetrics & gynecology physician records in Pennsylvania

Stephen K. Klasko, MD 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 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 56% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2017 · 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.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Rita Borromeo, MDPhiladelphia, PA 191071366474942
  2. Jennifer Brandenburg, MDPhiladelphia, PA 191071902830979
  3. Sandra Dayaratna, MDPhiladelphia, PA 191071275500712
  4. Michael Feinstein, MDPhiladelphia, PA 191071275592396
  5. Osnat Geifman-Holtzman, MDPhiladelphia, PA 191071033107057
  6. Jay Goldberg, M.D.Philadelphia, PA 191071780603464
  7. Rebecca Jackson, M.D.Philadelphia, PA 191071619934502
  8. Dennis Lorell, M.D.Philadelphia, PA 191071598784290

Common questions

What is Stephen K. Klasko, MD's NPI number?

Stephen K. Klasko, MD's National Provider Identifier (NPI) is 1336152503, issued on Aug 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen K. Klasko, MD located?

The NPPES record lists a practice address at 925 Chestnut St, Philadelphia, PA, 19107. Phone: (215) 327-5284. Providers update this record themselves, so call before visiting.

How can I verify Stephen K. Klasko, MD's license?

NPPES lists Pennsylvania license number MD022242E, 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.

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.