NPPES file of Aug 9, 2026

Katherine L. Alley, MD

Surgery Physician · Bethesda, MD

Katherine L. Alley, MD is a surgery physician with a practice address in Bethesda, Maryland, and NPI 1811916158, issued on Jul 18, 2006. Check the license (Maryland D0023059, as entered in NPPES) on the Maryland Board of Physicians; 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
1811916158
Name
Katherine L. Alley
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
License number
D0023059 MD
Self-reported in NPPES; status is on the state search
Practice location
6410 Rockledge Dr, Bethesda, MD 20817
Phone
(301) 493-8500
Enumerated
Jul 18, 2006
Record last updated
Aug 13, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(301) 493-6050
Medicaid IDs
227400100 MD
415096100 MD
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 6410 Rockledge Dr

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

  1. Lauren Adelsberger, OTOccupational Therapist1710156625
  2. Jennifer Akman, PTPhysical Therapist1730403874
  3. Kathleen Albert, OTOccupational Therapist1003096132
  4. Rebecca Aronson, D.O.Physical Medicine & Rehabilitation Physician1760494546
  5. Christine Baron, SLPSpeech-Language Pathologist1659433365
  6. Harry Bigham, M.D.Cardiovascular Disease Physician1346245628

Verify Katherine L. Alley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0023059
    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 Maryland 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: $24.60

1 payment: food and beverage; the largest payer was Kedrion Biopharma, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Alley$24.60
  2. Specialty average$3,513.80

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

Katherine L. Alley among 672 surgery physician records in Maryland

Katherine L. Alley, MD is one of 672 surgery physician records with a practice address in Maryland. 69% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 55% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2009 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Maryland

There are 672 surgery physician records in Maryland.

The 8 surgery physician records with the nearest ZIP codes

  1. Max Cohen, MDBethesda, MD 208171730290073
  2. Enrique Daza Racines, M.D.Bethesda, MD 208171649229634
  3. Ernest HanowellBethesda, MD 208171952381428
  4. Berny Kreutz, MDBethesda, MD 208171629073549
  5. James Robey, M.D.Bethesda, MD 208171528154515
  6. Adam Robinson, M.D.Bethesda, MD 208171407278625
  7. Alexandra Roginsky Tsesis, MDBethesda, MD 208171306933197
  8. Adam Schechner, MDBethesda, MD 208171780876011

Common questions

What is Katherine L. Alley, MD's NPI number?

Katherine L. Alley, MD's National Provider Identifier (NPI) is 1811916158, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Katherine L. Alley, MD located?

The NPPES record lists a practice address at 6410 Rockledge Dr, Bethesda, MD, 20817. Phone: (301) 493-8500. Providers update this record themselves, so call before visiting.

How can I verify Katherine L. Alley, MD's license?

NPPES lists Maryland license number D0023059, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. 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.