Gerard Anthony Baltazar, D.O.
Surgery Physician · Greenwich, CT
Gerard Anthony Baltazar, D.O. is a surgery physician with a practice address in Greenwich, Connecticut, and NPI 1255661211, issued on Jan 13, 2010. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Gerard Anthony Baltazar
- Credential
- D.O.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 255827 NY
Self-reported in NPPES; status is on the state search - Practice location
- 5 Perryridge RD, Greenwich, CT 06830
- Phone
- (203) 863-3000
- Enumerated
- Jan 13, 2010
- Record last updated
- Jul 4, 2026
- Medicare enrollment
- Enrolled (PECOS I20150813011496); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 5 Perryridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tena AbrahamPharmacist1649838905
- Hanief Abrahams, M.D.Anesthesiology Physician1497798235
- Diana Adams, M.D.Maternal & Fetal Medicine Physician1255300653
- Saheeb AhmedStudent in an Organized Health Care Education/Training Program1326626748
- Rachel Alfandre, LCSWClinical Social Worker1497077259
- Vicki Altmeyer, M.D.Anatomic Pathology & Clinical Pathology Physician1700807898
Verify Gerard Anthony Baltazar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average surgery physician in 2024
26 Medicare Part D claims for 19 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.
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): 85.9 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $18.65
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Surgery Physician providers in Connecticut
There are 360 surgery physician records in Connecticut.
Other surgery physician records in Connecticut
- Joseph Aferzon, M.D.Portland, CT1316960594
- Sultan Ahamed, M.D.Mystic, CT1083722383
- Nita Ahuja, M.D.New Haven, CT1093779308
- Caterina Aiello, DOWaterbury, CT1922669522
- Olayemi Ajayi-Lamanna, M.D.Stafford Springs, CT1629455654
- Michael Ajemian, MDWaterbury, CT1699702357
- Marwan Al Aoudi, MBB.CHMeriden, CT1104322700
- Brittany Al-Atrache, DOPutnam, CT1578192332
- Aurangzeb Ali, M.D.Meriden, CT1063464261
- Najib Allabadi, MDBridgeport, CT1538692256
Common questions
What is Gerard Anthony Baltazar, D.O.'s NPI number?
Gerard Anthony Baltazar, D.O.'s National Provider Identifier (NPI) is 1255661211, issued on Jan 13, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Gerard Anthony Baltazar, D.O. located?
The NPPES record lists a practice address at 5 Perryridge RD, Greenwich, CT, 06830. Phone: (203) 863-3000. Providers update this record themselves, so call before visiting.
How can I verify Gerard Anthony Baltazar, D.O.'s license?
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 Gerard Anthony Baltazar, D.O. prescribe under Medicare Part D?
In 2024, Gerard Anthony Baltazar, D.O. had 26 Medicare Part D claims for 19 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Gerard Anthony Baltazar, D.O.'s MIPS final score?
The 2023 MIPS final score is 85.9 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.