Registry data as of Aug 27, 2026

Diana Lake, MD

Hematology (Internal Medicine) Physician · New York, NY

Diana Lake, MD is a hematology (internal medicine) physician with a practice address in New York, New York, and NPI 1346211380, issued on Jan 29, 2006. Check the license (New York 126566, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1346211380
Name
Diana Lake
Credential
MD
Primary taxonomy
Hematology (Internal Medicine) Physician 207RH0000X
License number
126566 NY
Self-reported in NPPES; status is on the state search
Practice location
1275 York Ave, New York, NY 10021
Phone
(212) 639-2000
Enumerated
Jan 29, 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 1275 York Ave

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

  1. Nivedita Aanur, M.D.Internal Medicine Physician1982833471
  2. Amy Aaronson, AC-PNP, RNCritical Care Pediatric Nurse Practitioner1407323504
  3. Michelle Abboud, N.P.Acute Care Nurse Practitioner1730596008
  4. Gina Abdulahad, PA-CPhysician Assistant1174027064
  5. Wassim Abida, MD, PHDInternal Medicine Physician1518101096
  6. Ghassan Abou-Alfa, MDMedical Oncology Physician1134190168

Verify Diana Lake 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 126566
    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.

12% more Medicare Part D claims than the average hematology (internal medicine) physician in 2024

769 Medicare Part D claims for 203 beneficiaries, against an average of 684 among the 1,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Diana Lake769
  2. Specialty average684

Most prescribed

  1. Letrozole259 claims
  2. Tamoxifen Citrate101 claims
  3. Exemestane79 claims
  4. Anastrozole69 claims
  5. Ibrance45 claims
  6. Verzenio34 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 Medicare quality score for 2023: 89.6 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 score81.9
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%
  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).

2 hospital and facility affiliations

  1. Memorial Solid Tumor GroupNew York, NY
  2. Msk HarrisonWest Harrison, NY

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.

Hematology (Internal Medicine) Physician providers in New York

There are 142 hematology (internal medicine) physician records in New York.

Other hematology (internal medicine) physician records in New York

  1. Tauseef Ahmed, M.D.Bronx, NY1093778458
  2. Louis Aledort, MDNew York, NY1861424061
  3. Karenza Alexis, MDBronx, NY1053464941
  4. Omar Aljitawi, M.D.Rochester, NY1013018415
  5. Jennifer Amengual, M.D.New York, NY1073718854
  6. Theodora Anagnostou, M.D.New York, NY1780026567
  7. Jack Ansell, M.D.New York, NY1679559652
  8. Robert Babcock, M.D.Canandaigua, NY1194787564
  9. Ayanna Baptiste, MDBrooklyn, NY1689924763
  10. Osama Batayneh, MDSyracuse, NY1316556681

Common questions

What is Diana Lake, MD's NPI number?

Diana Lake, MD's National Provider Identifier (NPI) is 1346211380, issued on Jan 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Diana Lake, MD located?

The NPPES record lists a practice address at 1275 York Ave, New York, NY, 10021. Phone: (212) 639-2000. Providers update this record themselves, so call before visiting.

How can I verify Diana Lake, MD's license?

NPPES lists New York license number 126566, 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 Diana Lake, MD prescribe under Medicare Part D?

In 2024, Diana Lake, MD had 769 Medicare Part D claims for 203 beneficiaries; the average among hematology (internal medicine) physician prescribers was 684. Part D covers Medicare prescriptions only.

What is Diana Lake, MD's Medicare quality score?

The 2023 MIPS final score is 89.6 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), 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.