Doctor profile · Federal record
Dr. Maxwell Merkow, MD
Neurological Surgery Physician (CMS: Neurosurgery) · Walnut Creek, CA
- NPI 1194951723
- MIPS 71.6 / 100 · 2023
- 17 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
130 la Casa Via # 2-210
Walnut Creek, CA 945983045
(925) 309-5155
fax (925) 623-5156
Credentials & registration
- NPI registered
- June 2009 — 17 yrs on file
- Profile last updated
- February 26, 2025
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207T00000X — NUCC code
- State license (1)
- California #A147272
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1194951723. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
212
Distinct HCPCS
10
Medicare allowed
$81,185
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 69 | 67 | $151 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 31 | 31 | $194 | |
22853 |
Insertion of cage or mesh device to spine bone and disc space during spine fusion | 24 | 18 | $269 | |
61783 |
Computer-assisted spinal procedure | 18 | 16 | $238 | |
22558 |
Fusion of lower spine bone through abdomen with partial removal of disc | 12 | 12 | $834 | |
63047 |
Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment | 12 | 12 | $1,075 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 12 | 12 | $189 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 12 | 12 | $86 | |
22612 |
Fusion of spine in lower back | 11 | 11 | $1,738 | |
22840 |
Placement of stabilizing device to back of 1 spine bone in neck | 11 | 11 | $791 |
In context: peer comparison
Among 3 peers in Walnut Creek Neurological Surgery Physician, average services per provider: 36. This provider delivers 5.9× the peer median.Open Payments
Industry payments received
All-time total
$8,913
Transactions
9
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, INC. | 8 | $8,772.72 | |
| DePuy Synthes Sales INC. | 1 | $140.18 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Maxwell Merkow's medical specialty?
Dr. Maxwell Merkow practices Neurological Surgery Physician in Walnut Creek, CA.
Where does Dr. Maxwell Merkow practice?
Dr. Maxwell Merkow practices at 130 la Casa Via # 2-210, Walnut Creek, CA 945983045. Office phone: 9253095155.
What is Dr. Maxwell Merkow's NPI?
Dr. Maxwell Merkow's National Provider Identifier (NPI) is 1194951723, issued by NPPES.
Does Dr. Maxwell Merkow accept Medicare assignment?
Dr. Maxwell Merkow does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Maxwell Merkow commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Insertion of cage or mesh device to spine bone and disc space during spine fusion (HCPCS 22853). Source: CMS Medicare Physician & Other Practitioners file.