NPPES file of Aug 9, 2026

Robert R. Gaiser, MD

Anesthesiology Physician · New Haven, CT

Robert R. Gaiser, MD is an anesthesiology physician with a practice address in New Haven, Connecticut, and NPI 1063455376, issued on Jun 14, 2006. Check the license (Connecticut 66698, 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 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063455376
Name
Robert R. Gaiser
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License numbers
66698 CT
49520 KY
Self-reported in NPPES; status is on the state search
Practice location
333 Cedar St # TM3, New Haven, CT 06510
Phone
(203) 469-4247
Enumerated
Jun 14, 2006
Record last updated
Sep 16, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
0013916970001 PA
Medicare enrollment
Enrolled (PECOS I20201114000022); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 1988
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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Verify Robert R. Gaiser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 66698
    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

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The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 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 score75.8
  2. Costout of 100 · 30%51.4
  3. Promoting interoperabilityout of 100 · 25%74.0
  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).

Bills Medicare through one group practice

  1. Yale UniversityNew Haven, CT

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

Robert R. Gaiser among 797 anesthesiology physician records in Connecticut

Robert R. Gaiser, MD is one of 797 anesthesiology physician records with a practice address in Connecticut. 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 2006, is newer than 17% of them.

  • NPI issued2006 · 17% of these records are older, 54% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1988 · median 2006 among the 550 with a school on file
  • Record last updated2020 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

215 anesthesiology physician records list a practice address in New Haven

They are 215 of the 9,793 NPPES records with a practice address in New Haven, and 797 anesthesiology physician records in Connecticut.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. David Freyle, MDNew Haven, CT 065101487635728
  2. Dorothy Gaal, MDNew Haven, CT 065101861473563
  3. Thomas Halaszynski, MDNew Haven, CT 065101679554984
  4. Lars Helgeson, MDNew Haven, CT 065101528049210
  5. Adriana Herrera, MDNew Haven, CT 065101992786685
  6. Viji Kurup, MDNew Haven, CT 065101285615971
  7. Lisa Leffert, MDNew Haven, CT 065101992795579
  8. Wanda Popescu, MDNew Haven, CT 065101861473548

Common questions

What is Robert R. Gaiser, MD's NPI number?

Robert R. Gaiser, MD's National Provider Identifier (NPI) is 1063455376, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert R. Gaiser, MD located?

The NPPES record lists a practice address at 333 Cedar St # TM3, New Haven, CT, 06510. Phone: (203) 469-4247. Providers update this record themselves, so call before visiting.

How can I verify Robert R. Gaiser, MD's license?

NPPES lists Connecticut license number 66698, 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.

What is Robert R. Gaiser, MD's MIPS final score?

The 2023 MIPS final score is 73.6 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), 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.