Doctor profile · Federal record
Dr. Greg Kleynberg, MD
Anesthesiology Physician (CMS: Anesthesiology) · Midland, MI
- NPI 1639193154
- Accepts Medicare
- 42 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4000 Wellness Dr
Midland, MI 486702000
(989) 839-3606
fax (989) 839-1509
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- December 11, 2014
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- Michigan #4301079713
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639193154. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
118
Distinct HCPCS
6
Medicare allowed
$8,401
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36620 |
Insertion of artery tube for blood sampling or infusion through skin | 35 | 34 | $43 | |
00910 |
Anesthesia for other procedure on urinary system through urethra | 25 | 24 | $58 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 20 | 20 | $68 | |
01926 |
Anesthesia for x-ray on artery of brain, heart, or chest | 14 | 14 | $162 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 13 | 13 | $62 | |
01922 |
Anesthesia for x-ray or radiation therapy | 11 | 11 | $90 |
In context: peer comparison
Among 2 peers in Midland Anesthesiology Physician, average services per provider: 19. This provider delivers 6.2× the peer median.Frequently asked questions
What is Dr. Greg Kleynberg's medical specialty?
Dr. Greg Kleynberg practices Anesthesiology Physician in Midland, MI.
Where does Dr. Greg Kleynberg practice?
Dr. Greg Kleynberg practices at 4000 Wellness Dr, Midland, MI 486702000. Office phone: 9898393606.
What is Dr. Greg Kleynberg's NPI?
Dr. Greg Kleynberg's National Provider Identifier (NPI) is 1639193154, issued by NPPES.
Does Dr. Greg Kleynberg accept Medicare assignment?
Yes. Dr. Greg Kleynberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Greg Kleynberg commonly perform?
Top Medicare-reported procedures in 2023: Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Anesthesia for other procedure on urinary system through urethra (HCPCS 00910); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.