Registry data as of Aug 27, 2026

Karen Bowles, MD

Internal Medicine Physician · Philadelphia, PA

Karen Bowles, MD is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1417983115, issued on Jun 24, 2006. Check the license (Pennsylvania MD051637L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1417983115
Name
Karen Bowles
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD051637L PA
Self-reported in NPPES; status is on the state search
Practice location
3701 Market Street, Philadelphia, PA 19104
Phone
(215) 349-5200
Enumerated
Jun 24, 2006
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 3701 Market Street

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

  1. Elizabeth Abbott, CRNPWomen's Health Nurse Practitioner1598901902
  2. Anjali AgarwallaInternal Medicine Physician1558980391
  3. David Aizenberg, MDInternal Medicine Physician1407061880
  4. Jaya Aysola, MDInternal Medicine Physician1215091574
  5. Salina Bakshi, M.D.Internal Medicine Physician1093196271
  6. Kurt Barnhart, MDReproductive Endocrinology Physician1811932437

Verify Karen Bowles 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 MD051637L
    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.

11% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,485 Medicare Part D claims for 324 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 99 claims were for opioids.

  1. Karen Bowles2,485
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium110 claims
  2. Hydrochlorothiazide85 claims
  3. Rosuvastatin Calcium85 claims
  4. Gabapentin79 claims
  5. Amlodipine Besylate72 claims
  6. Levothyroxine Sodium71 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.

One hospital or facility affiliation

  1. Trustees OF The University OF PennsylvaniaPhiladelphia, PA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

2,259 internal medicine physician records list a Philadelphia practice address

They are 2,259 of the 42,849 NPPES records with a Philadelphia practice address, and 8,636 internal medicine physician records in Pennsylvania.

Other internal medicine physician records in Pennsylvania

  1. Erin Aakhus, M.D.Philadelphia, PA1255652087
  2. Muhammad Aamir, MDAllentown, PA1477039147
  3. Saira Aamir, MDYork, PA1184515686
  4. John Aaron, MDWest Grove, PA1427094531
  5. Todd Aaron, MDPhiladelphia, PA1457350522
  6. Cybele Abad, M.D.Pittsburgh, PA1619900453
  7. Mario Abad, MDDuncannon, PA1710022975
  8. Joseph Abalos, M.D.Seneca, PA1215128434
  9. Ali Abbas, MDYork, PA1023343779
  10. Huda Abbas, MDDoylestown, PA1316187024

Common questions

What is Karen Bowles, MD's NPI number?

Karen Bowles, MD's National Provider Identifier (NPI) is 1417983115, issued on Jun 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen Bowles, MD located?

The NPPES record lists a practice address at 3701 Market Street, Philadelphia, PA, 19104. Phone: (215) 349-5200. Providers update this record themselves, so call before visiting.

How can I verify Karen Bowles, MD's license?

NPPES lists Pennsylvania license number MD051637L, 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 Karen Bowles, MD prescribe under Medicare Part D?

In 2024, Karen Bowles, MD had 2,485 Medicare Part D claims for 324 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.