Doctor profile · Federal record
Dr. Daniel Greif, M.D.
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Guilford, CT
- NPI 1861673691
- Accepts Medicare
- MIPS 71.7 / 100 · 2023
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
111 Goose Ln
Guilford, CT 064375101
(203) 458-2097 - Mailing address
-
Po Box 208017, Yale University School of Medicine
New Haven, CT 065208017
Credentials & registration
- NPI registered
- November 2007 — 19 yrs on file
- Profile last updated
- October 17, 2010
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- California #A82476
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861673691. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
13
Distinct HCPCS
1
Medicare allowed
$1,142
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 13 | 13 | $88 |
In context: peer comparison
Among 1 peers in Guilford Cardiovascular Disease Physician, average services per provider: 13. This provider delivers 1.0× the peer median.Frequently asked questions
What is Dr. Daniel Greif's medical specialty?
Dr. Daniel Greif practices Cardiovascular Disease Physician in Guilford, CT.
Where does Dr. Daniel Greif practice?
Dr. Daniel Greif practices at 111 Goose Ln, Guilford, CT 064375101. Office phone: 2034582097.
What is Dr. Daniel Greif's NPI?
Dr. Daniel Greif's National Provider Identifier (NPI) is 1861673691, issued by NPPES.
Does Dr. Daniel Greif accept Medicare assignment?
Yes. Dr. Daniel Greif accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel Greif commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221). Source: CMS Medicare Physician & Other Practitioners file.