NPPES file of Aug 9, 2026

Barbara Lock, MD

Emergency Medicine Physician · New Rochelle, NY

Barbara Lock, MD is an emergency medicine physician with a practice address in New Rochelle, New York, and NPI 1629015359, issued on Jun 1, 2006. Check the license (New York 211863-1, 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
1629015359
Name
Barbara Lock
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
211863-1 NY
Self-reported in NPPES; status is on the state search
Practice location
16 Guion PL, New Rochelle, NY 10801
Phone
(914) 632-5000
Enumerated
Jun 1, 2006
Record last updated
Feb 25, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040410000128); accepts Medicare assignment
Medical or professional school
Boston University School Of Medicine, 1997
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 16 Guion PL

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

  1. Antonieta Abarientos, MDInternal Medicine Physician1649285123
  2. Maria Del Pilar Acosta, MDStudent in an Organized Health Care Education/Training Program1801681564
  3. Fitsum Adane, MDStudent in an Organized Health Care Education/Training Program1912750019
  4. Richa Aggarwal, M.DStudent in an Organized Health Care Education/Training Program1235402702
  5. Hrachya Ajamyan, MDStudent in an Organized Health Care Education/Training Program1326834839
  6. Marie Vee Albarillo, PAPhysician Assistant1285734053

Verify Barbara Lock 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 211863-1
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

54% fewer Medicare Part D claims than the average emergency medicine physician in 2024

103 Medicare Part D claims for 82 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Barbara Lock103
  2. Specialty average226

Most prescribed

  1. Azithromycin18 claims
  2. Naproxen16 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): 100 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 score86.8
  2. Costnot scored (reweighted)
  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; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Trustees OF Columbia University IN The City OF New YorkNew York, NY

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

Barbara Lock among 5,025 emergency medicine physician records in New York

Barbara Lock, MD is one of 5,025 emergency medicine physician records with a practice address in New York. 86% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 72% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1997 · median 2013 among the 3,232 with a school on file
  • Record last updated2016 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in New York

There are 5,025 emergency medicine physician records in New York.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Victoria Cespedes, M.D.New Rochelle, NY 108011578660163
  2. Hyun Chung, MDNew Rochelle, NY 108011003843673
  3. Esther Ihezie, M.DNew Rochelle, NY 108011720308687
  4. Lawrence Klecatsky, MDNew Rochelle, NY 108011093750580
  5. Michael Lahn, MDNew Rochelle, NY 108011073602801
  6. Katayun MamaNew Rochelle, NY 108011821298829
  7. Ligija Rociunas, MDNew Rochelle, NY 108011588680185
  8. Jazmin Sevilla, MDNew Rochelle, NY 108011154064210

Common questions

What is Barbara Lock, MD's NPI number?

Barbara Lock, MD's National Provider Identifier (NPI) is 1629015359, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Barbara Lock, MD located?

The NPPES record lists a practice address at 16 Guion PL, New Rochelle, NY, 10801. Phone: (914) 632-5000. Providers update this record themselves, so call before visiting.

How can I verify Barbara Lock, MD's license?

NPPES lists New York license number 211863-1, 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 Barbara Lock, MD prescribe under Medicare Part D?

In 2024, Barbara Lock, MD had 103 Medicare Part D claims for 82 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Barbara Lock, MD's MIPS final score?

The 2023 MIPS final score is 100 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.