Gregg H. Grinspan, MD
Emergency Medicine Physician · Winsted, CT
Gregg H. Grinspan, MD is an emergency medicine physician with a practice address in Winsted, Connecticut, and NPI 1568558690, issued on Oct 5, 2006. Check the license (Connecticut 023060, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Gregg H. Grinspan
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 023060 CT
Self-reported in NPPES; status is on the state search - Practice location
- 115 Spencer St, Winsted, CT 06098
- Phone
- (860) 738-6650
- Enumerated
- Oct 5, 2006
- Record last updated
- Jan 15, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 115 Spencer St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Carol Hahn, PTOrthopedic Physical Therapist1053374348
- Roy Hitt, M.D.Internal Medicine Physician1336246503
- Andria Hotchkiss, PTPhysical Therapist1174565394
Verify Gregg H. Grinspan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 023060Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average emergency medicine physician in 2024
44 Medicare Part D claims for 14 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Paxlovid17 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.
2 emergency medicine physician records list a practice address in Winsted
They are 2 of the 70 NPPES records with a practice address in Winsted, and 846 emergency medicine physician records in Connecticut.
All 2 in Winsted → All 846 in Connecticut → Every provider in Winsted →
Other emergency medicine physician records in Connecticut
- Carol Abbatiello, D.O.Hartford, CT1275579732
- Lincoln Abbott, MDHartford, CT1518965433
- Wayne Abrahams, MDWaterbury, CT1508886227
- Theresa Adams, M.D.New London, CT1457678138
- Irini Agaraj, MDNew Haven, CT1184208431
- Doreen Agboh, MDNew Haven, CT1275153868
- Ronald Agnes, M.D.Simsbury, CT1548399728
- Julius Patrick Aguas, DOHartford, CT1245736321
- Saeed Ahghari, MDEast Hartford, CT1427140862
- Teresa Allen, M.D.Putnam, CT1720047921
Common questions
What is Gregg H. Grinspan, MD's NPI number?
Gregg H. Grinspan, MD's National Provider Identifier (NPI) is 1568558690, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregg H. Grinspan, MD located?
The NPPES record lists a practice address at 115 Spencer St, Winsted, CT, 06098. Phone: (860) 738-6650. Providers update this record themselves, so call before visiting.
How can I verify Gregg H. Grinspan, MD's license?
NPPES lists Connecticut license number 023060, 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 Gregg H. Grinspan, MD prescribe under Medicare Part D?
In 2024, Gregg H. Grinspan, MD had 44 Medicare Part D claims for 14 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.