NPPES file of Aug 9, 2026

Kristen Nicole Walker, MD

Internal Medicine Physician · Rochester, NY

Kristen Nicole Walker, MD is an internal medicine physician with a practice address in Rochester, New York, and NPI 1427445568, issued on Apr 15, 2015. Check the license (New York 291792, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427445568
Name
Kristen Nicole Walker
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
291792 NY
Self-reported in NPPES; status is on the state search
Practice location
2400 South Clinton Ave, Rochester, NY 14618
Phone
(585) 341-7200
Enumerated
Apr 15, 2015
Record last updated
Jun 28, 2023
Fax
(585) 325-6052
Medicare enrollment
Enrolled (PECOS I20180614001226); accepts Medicare assignment
Medical or professional school
University Of Rochester School Of Medicine And Dentistry, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2400 South Clinton Ave

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

  1. Daniel Kroening, MDInternal Medicine Physician1689940629

Verify Kristen Nicole Walker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 291792
    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 New York 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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2.0 times the Medicare Part D claims of the average internal medicine physician in 2024

6,365 Medicare Part D claims for 624 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 176 claims were for opioids.

  1. Kristen Walker6,365
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium405 claims
  2. Levothyroxine Sodium318 claims
  3. Amlodipine Besylate286 claims
  4. Losartan Potassium198 claims
  5. Hydrochlorothiazide153 claims
  6. Rosuvastatin Calcium145 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 76.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score68.2
  2. Costout of 100 · 30%42.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. University OF RochesterRochester, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kristen Nicole Walker among 12,067 internal medicine physician records in New York

Kristen Nicole Walker, MD is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 75% of them.

  • NPI issued2015 · 75% of these records are older, 23% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2015 · median 2002 among the 7,221 with a school on file
  • Record last updated2023 · 61% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

504 internal medicine physician records list a practice address in Rochester

They are 504 of the 20,520 NPPES records with a practice address in Rochester, and 12,067 internal medicine physician records in New York.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Diane Ahlman, MDRochester, NY 146181881652675
  2. Brenda Baratta, MDRochester, NY 146181003874322
  3. Lon Baratz, MDRochester, NY 146181487614350
  4. Paul Burns, M.D.Rochester, NY 146181528064680
  5. Edith Dale, M.D.Rochester, NY 146181609876838
  6. Lior Greenberg, M.D.Rochester, NY 146181073560033
  7. Stephen Judge, M.D.Rochester, NY 146181497702955
  8. Lars-Goran Larsson, MDRochester, NY 146181417903642

Common questions

What is Kristen Nicole Walker, MD's NPI number?

Kristen Nicole Walker, MD's National Provider Identifier (NPI) is 1427445568, issued on Apr 15, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Kristen Nicole Walker, MD located?

The NPPES record lists a practice address at 2400 South Clinton Ave, Rochester, NY, 14618. Phone: (585) 341-7200. Providers update this record themselves, so call before visiting.

How can I verify Kristen Nicole Walker, MD's license?

NPPES lists New York license number 291792, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kristen Nicole Walker, MD prescribe under Medicare Part D?

In 2024, Kristen Nicole Walker, MD had 6,365 Medicare Part D claims for 624 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Kristen Nicole Walker, MD's MIPS final score?

The 2023 MIPS final score is 76.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.