Doctor profile · Federal record
Dr. Mark Spencer, MD
Anesthesiology Physician (CMS: Anesthesiology) · Hartford, CT
- NPI 1508818097
- Accepts Medicare
- 35 yrs in practice
- Male
- No sanctions
Practice & contact
- Primary practice
-
114 Woodland St
Hartford, CT 061051208
(860) 714-6654
fax (860) 714-8110
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- Connecticut #033719
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508818097. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
47
Distinct HCPCS
3
Medicare allowed
$4,820
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
62323 |
Injection of substance into lower spine canal using imaging guidance | 19 | 12 | $103 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 16 | 11 | $133 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 12 | 12 | $61 |
In context: peer comparison
Among 31 peers in Hartford Anesthesiology Physician, average services per provider: 31. This provider delivers 1.5× the peer median.Open Payments
Industry payments received
All-time total
$107
Transactions
5
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 5 | $107.46 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
89
Patients
0
Total drug cost
$882
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tramadol Hcl | Generic | 30 | 0 | $75 |
| Gabapentin | Generic | 19 | 0 | $235 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 14 | 0 | $209 |
| Acetaminophen-Codeine (Acetaminophen With Codeine) | Brand | 13 | 0 | $290 |
| Carisoprodol | Generic | 13 | 0 | $74 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Spencer's medical specialty?
Dr. Mark Spencer practices Anesthesiology Physician in Hartford, CT.
Where does Dr. Mark Spencer practice?
Dr. Mark Spencer practices at 114 Woodland St, Hartford, CT 061051208. Office phone: 8607146654.
What is Dr. Mark Spencer's NPI?
Dr. Mark Spencer's National Provider Identifier (NPI) is 1508818097, issued by NPPES.
Does Dr. Mark Spencer accept Medicare assignment?
Yes. Dr. Mark Spencer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Spencer commonly perform?
Top Medicare-reported procedures in 2023: Injection of substance into lower spine canal using imaging guidance (HCPCS 62323); Telephone medical discussion with physician (HCPCS 99443); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.