NPPES file of Aug 9, 2026

Lydia Beck Alexander, M.D.

Obstetrics & Gynecology Physician · New York, NY

Lydia Beck Alexander, M.D. is an obstetrics & gynecology physician with a practice address in New York, New York, and NPI 1679987515, issued on Jun 18, 2014. Check the license (New York 308732, 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
1679987515
Name
Lydia Beck Alexander
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
308732 NY
Self-reported in NPPES; status is on the state search
Practice location
135 Spring St, New York, NY 10012
Phone
(212) 219-1187
Enumerated
Jun 18, 2014
Record last updated
May 8, 2023
Medicare enrollment
Enrolled (PECOS I20190208001303); accepts Medicare assignment
Medical or professional school
University Of Missouri, Columbia School Of Medicine, 2018
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 135 Spring St

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

  1. Linda Cho, M.DObstetrics & Gynecology Physician1609884204
  2. Heidi Flagg, MDObstetrics & Gynecology Physician1053309641
  3. Deborah Gahr, MDObstetrics & Gynecology Physician1962490557
  4. Brina Maldonado, MDObstetrics & Gynecology Physician1780672378
  5. Elizabeth Rodgers, MDObstetrics & Gynecology Physician1962607309
  6. Bonnie Yim, CNMAdvanced Practice Midwife1407844095

Verify Lydia Beck Alexander 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 308732
    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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77% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

38 Medicare Part D claims for 15 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Lydia Alexander38
  2. Specialty average165

Most prescribed

  1. Estradiol14 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 MIPS final score for 2023 (Medicare payment program): 99.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score95.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through one group practice

  1. Iowa Physicians Clinic Medical FoundationClive, IA

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

Lydia Beck Alexander among 3,174 obstetrics & gynecology physician records in New York

Lydia Beck Alexander, M.D. is one of 3,174 obstetrics & gynecology physician records with a practice address in New York. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 78% of them.

  • NPI issued2014 · 78% of these records are older, 19% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2018 · median 2002 among the 1,870 with a school on file
  • Record last updated2023 · 63% 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 New York 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 New York

There are 3,174 obstetrics & gynecology physician records in New York.

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

  1. Audrey Buxbaum, MDNew York, NY 100121265530679
  2. Linda Cho, M.DNew York, NY 100121609884204
  3. Devorah Daley, M.DNew York, NY 100121285816686
  4. Gillian Dean, MDNew York, NY 100121588733380
  5. Monica Dragoman, M.D.New York, NY 100121639120835
  6. Danielle Feldman, M.D.New York, NY 100121265691075
  7. Heidi Flagg, MDNew York, NY 100121053309641
  8. Deborah Gahr, MDNew York, NY 100121962490557

Common questions

What is Lydia Beck Alexander, M.D.'s NPI number?

Lydia Beck Alexander, M.D.'s National Provider Identifier (NPI) is 1679987515, issued on Jun 18, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Lydia Beck Alexander, M.D. located?

The NPPES record lists a practice address at 135 Spring St, New York, NY, 10012. Phone: (212) 219-1187. Providers update this record themselves, so call before visiting.

How can I verify Lydia Beck Alexander, M.D.'s license?

NPPES lists New York license number 308732, 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 Lydia Beck Alexander, M.D. prescribe under Medicare Part D?

In 2024, Lydia Beck Alexander, M.D. had 38 Medicare Part D claims for 15 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is Lydia Beck Alexander, M.D.'s MIPS final score?

The 2023 MIPS final score is 99.4 of 100. 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.