NPPES file of Aug 9, 2026

Gregory Lamont Lacy, M.D.

Urology Physician · New Haven, CT

Gregory Lamont Lacy, M.D. is a urology physician with a practice address in New Haven, Connecticut, and NPI 1073564829, issued on May 15, 2006. Check the license (Connecticut 71573, as entered in NPPES) on the Connecticut Medical Examining Board; 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
1073564829
Name
Gregory Lamont Lacy
Credential
M.D.
Primary taxonomy
Urology Physician 208800000X
License numbers
71573 CT
15489R LA
Self-reported in NPPES; status is on the state search
Practice location
800 Howard Ave, New Haven, CT 06519
Phone
(203) 785-2815
Enumerated
May 15, 2006
Record last updated
Jul 5, 2022
Fax
(203) 785-4043
Medicaid ID
2336495 LA
Medicare enrollment
Enrolled (PECOS I20130814000957); accepts Medicare assignment
Medical or professional school
Tulane University School Of Medicine, 2002
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 800 Howard Ave

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

  1. Sonya Abdel-Razeq, MDMaternal & Fetal Medicine Physician1265415350
  2. Edouard Aboian, M.D.Vascular Surgery Physician1588830566
  3. Lynn Acton, MSSpeech-Language Pathologist1205817889
  4. Joseph Agostini, MDGeriatric Medicine (Internal Medicine) Physician1104832146
  5. Nita Ahuja, M.D.Surgery Physician1093779308
  6. Christina Allen, MDSports Medicine (Orthopaedic Surgery) Physician1841242351

Verify Gregory Lamont Lacy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 71573
    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 Connecticut 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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21% fewer Medicare Part D claims than the average urology physician in 2024

1,052 Medicare Part D claims for 274 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 57 claims were for opioids.

  1. Gregory Lacy1,052
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl196 claims
  2. Finasteride123 claims
  3. Oxybutynin Chloride Er122 claims
  4. Alfuzosin Hcl Er114 claims
  5. Myrbetriq114 claims
  6. Solifenacin Succinate62 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.

Industry payments in 2024: $2,907.85

25 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Lacy$2,907.85
  2. Specialty average$3,800.04

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

Bills Medicare through 4 group practices

  1. Administrators OF The Tulane Educational FundNew Orleans, LA
  2. Lcmc Health Clinical Services LLCNew Orleans, LA
  3. New Orleans East Wellness Center, LLCChalmette, LA
  4. South Louisiana Medical AssociatesHouma, LA

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

Gregory Lamont Lacy among 185 urology physician records in Connecticut

Gregory Lamont Lacy, M.D. is one of 185 urology physician records with a practice address in Connecticut. 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 2006, is newer than 19% of them.

  • NPI issued2006 · 19% of these records are older, 52% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2002 · median 2006 among the 127 with a school on file
  • Record last updated2022 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Urology Physician providers in Connecticut

There are 185 urology physician records in Connecticut.

The 8 urology physician records with the nearest ZIP codes

  1. Joseph Brito, M.D.New Haven, CT 065191568722551
  2. Jaime Cavallo, MD, MPHSNew Haven, CT 065191710185624
  3. John Colberg, MDNew Haven, CT 065191053396341
  4. Matthew Goland-Van Ryn, MDNew Haven, CT 065191992047740
  5. Martin Gross, MDNew Haven, CT 065191881915833
  6. Michael Karellas, M.D.New Haven, CT 065191376671396
  7. Patrick Kenney, M.D.New Haven, CT 065191174713218
  8. Michael Leapman, M.D.New Haven, CT 065191265666432

Common questions

What is Gregory Lamont Lacy, M.D.'s NPI number?

Gregory Lamont Lacy, M.D.'s National Provider Identifier (NPI) is 1073564829, issued on May 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Lamont Lacy, M.D. located?

The NPPES record lists a practice address at 800 Howard Ave, New Haven, CT, 06519. Phone: (203) 785-2815. Providers update this record themselves, so call before visiting.

How can I verify Gregory Lamont Lacy, M.D.'s license?

NPPES lists Connecticut license number 71573, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gregory Lamont Lacy, M.D. prescribe under Medicare Part D?

In 2024, Gregory Lamont Lacy, M.D. had 1,052 Medicare Part D claims for 274 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.

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.