Doctor profile · Federal record
Dr. Theodore Marks, M.D.
Anesthesiology Physician (CMS: Anesthesiology) · Cleveland, OH
- NPI 1689638363
- Accepts Medicare
- 34 yrs in practice
- Male
- No sanctions
Practice & contact
- Primary practice
-
9500 Euclid Ave
Cleveland, OH 441950001
(800) 223-2273 - Mailing address
-
6000 W Creek RD, Suite 10
Independence, OH 441312139
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- Ohio #35076255M
- Medicaid
- OH #2146127
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1689638363. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
77
Distinct HCPCS
5
Medicare allowed
$6,972
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 19 | 19 | $79 | |
36620 |
Insertion of artery tube for blood sampling or infusion through skin | 19 | 18 | $43 | |
00520 |
Anesthesia for other closed procedure on chest | 16 | 16 | $173 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 12 | 12 | $69 | |
00813 |
Anesthesia for procedure on small and large bowel using an endoscope | 11 | 11 | $96 |
In context: peer comparison
Among 148 peers in Cleveland Anesthesiology Physician, average services per provider: 26. This provider delivers 3.0× the peer median.Frequently asked questions
What is Dr. Theodore Marks's medical specialty?
Dr. Theodore Marks practices Anesthesiology Physician in Cleveland, OH.
Where does Dr. Theodore Marks practice?
Dr. Theodore Marks practices at 9500 Euclid Ave, Cleveland, OH 441950001. Office phone: 8002232273.
What is Dr. Theodore Marks's NPI?
Dr. Theodore Marks's National Provider Identifier (NPI) is 1689638363, issued by NPPES.
Does Dr. Theodore Marks accept Medicare assignment?
Yes. Dr. Theodore Marks accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Theodore Marks commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Anesthesia for other closed procedure on chest (HCPCS 00520). Source: CMS Medicare Physician & Other Practitioners file.