Daniel M. Greif, M.D.
Cardiovascular Disease Physician · Guilford, CT
Daniel M. Greif, M.D. is a cardiovascular disease physician with a practice address in Guilford, Connecticut, and NPI 1861673691, issued on Nov 20, 2007. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Daniel M. Greif
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- A82476 CA
Self-reported in NPPES; status is on the state search - Practice location
- 111 Goose LN, Guilford, CT 06437
- Phone
- (203) 458-2097
- Enumerated
- Nov 20, 2007
- Record last updated
- Oct 17, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110315000073); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1997
- Entity
- Type 1 · individual
Also registered at 111 Goose LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kejal Amin, PHARMDOncology Pharmacist1417509225
- Muhammad Anwar, MDAnesthesiology Physician1730164922
- Susann Boroczky, R.D., CD-NRegistered Dietitian1538388350
- William Friedman, M.D.Diagnostic Radiology Physician1861480576
- Alvin Greenberg, M.D.Specialist1386836849
- Jody Heffernan, NPAdult Health Nurse Practitioner1043305402
Verify Daniel M. Greif 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
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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cardiovascular Disease Physician providers in Connecticut
There are 503 cardiovascular disease physician records in Connecticut.
Other cardiovascular disease physician records in Connecticut
- Khaled AbazaMiddletown, CT1255986121
- Binny Abraham, M.D.New Haven, CT1760657647
- Joseph Abreu, MDTorrington, CT1003996240
- Arun Agarwal, M.D.New Britain, CT1326226044
- Sneha Agarwalla, MDBloomfield, CT1801245162
- Elliot Agin, M.D.Milford, CT1790729093
- Tariq Ahmad, M.D.New Haven, CT1104955699
- Zain Ahmed, M.D.Wallingford, CT1952782567
- Keshava Aithal, MDMiddletown, CT1811005713
- Joseph Akar, MDNew Haven, CT1558430058
Common questions
What is Daniel M. Greif, M.D.'s NPI number?
Daniel M. Greif, M.D.'s National Provider Identifier (NPI) is 1861673691, issued on Nov 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Daniel M. Greif, M.D. located?
The NPPES record lists a practice address at 111 Goose LN, Guilford, CT, 06437. Phone: (203) 458-2097. Providers update this record themselves, so call before visiting.
How can I verify Daniel M. Greif, M.D.'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.
What is Daniel M. Greif, M.D.'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.