Doctor profile · Federal record

Dr. Christopher Ames, MD

Neurological Surgery Physician (CMS: Neurosurgery) · San Francisco, CA

  • NPI 1265485155
  • Accepts Medicare
  • 32 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 Parnassus Ave
San Francisco, CA 941432202
(415) 353-2739
fax (415) 353-2176
Mailing address
1635 Divisadero Street, Suite 625, Box 1821
San Francisco, CA 941430001

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 9, 2007
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207T00000X — NUCC code
State license (1)
California #A60247
Medicaid
CA #00A602470

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265485155. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,459
Distinct HCPCS
10
Medicare allowed
$531,743
HCPCS Description Services Patients Avg allowed
22614 Fusion of additional segment of spine 838 97 $278
99204 New patient office or other outpatient visit, 45-59 minutes 87 87 $150
99213 Established patient office or other outpatient visit, 20-29 minutes 69 65 $74
22848 Insertion of instrumentation to pelvic bones 65 64 $314
99214 Established patient office or other outpatient visit, 30-39 minutes 63 63 $110
22612 Fusion of spine in lower back 54 53 $953
22843 Placement of stabilizing device to back, 7-12 spine bone segments 48 48 $727
99203 New patient office or other outpatient visit, 30-44 minutes 44 44 $92
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion 34 31 $266
22844 Placement of stabilizing device to back, 13 or more spine bone segments 33 32 $811

In context: peer comparison

Among 17 peers in this city , average services per provider: 51. This provider delivers 29× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,165,780
Transactions
429
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 328 $690,206.43
Hyhte Holdings Inc. 1 $186,111.77
DePuy Synthes Products, Inc. 12 $175,300.01
Alphatec Spine, Inc 36 $54,685.19
Carlsmed, Inc. 32 $24,281.87
Globus Medical, Inc. 4 $19,740.35
icotec Medical Inc. 9 $12,316.52
Medical Device Business Services, Inc. 4 $1,866.68
Stryker Corporation 2 $1,200.00
Carbofix Spine Inc 1 $70.74

By nature of payment

Royalty or License
$797,945
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$167,000
Consulting Fee
$120,770
Travel and Lodging
$67,869
Food and Beverage
$12,196

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
87
Patients
62
Total drug cost
$3,034
Drug Type Claims Patients Total cost
Gabapentin Generic 34 20 $586
Baclofen Generic 29 18 $482
Naloxone Hcl Generic 24 24 $1,966

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Ames's medical specialty?
Dr. Christopher Ames practices Neurological Surgery Physician in San Francisco, CA.
Where does Dr. Christopher Ames practice?
Dr. Christopher Ames practices at 400 Parnassus Ave, San Francisco, CA 941432202. Office phone: 4153532739.
What is Dr. Christopher Ames's NPI?
Dr. Christopher Ames's National Provider Identifier (NPI) is 1265485155, issued by NPPES.
Does Dr. Christopher Ames accept Medicare assignment?
Yes. Dr. Christopher Ames accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Ames commonly perform?
Top Medicare-reported procedures in 2023: Fusion of additional segment of spine (HCPCS 22614); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.