Doctor profile · Federal record
Dr. James Sullivan, M.D.
Internal Medicine Physician · Mystic, CT
- NPI 1780679472
- 21 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
200 Sandy Hollow RD
Mystic, CT 063551720
(860) 572-8911
fax (860) 572-7758
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- December 22, 2009
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Connecticut #017250
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1780679472. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
86
Distinct HCPCS
2
Medicare allowed
$16,077
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 71 | 71 | $180 | |
99291 |
Critical care, first 30-74 minutes | 15 | 14 | $221 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 84. This provider delivers 1.0× the peer median.Frequently asked questions
What is Dr. James Sullivan's medical specialty?
Dr. James Sullivan practices Internal Medicine Physician in Mystic, CT.
Where does Dr. James Sullivan practice?
Dr. James Sullivan practices at 200 Sandy Hollow RD, Mystic, CT 063551720. Office phone: 8605728911.
What is Dr. James Sullivan's NPI?
Dr. James Sullivan's National Provider Identifier (NPI) is 1780679472, issued by NPPES.
What procedures does Dr. James Sullivan commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.