Doctor profile · Federal record

Dr. Joseph Walter, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Palo Alto, CA

  • NPI 1477629756
  • Accepts Medicare
  • 59 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
795 El Camino Real
Palo Alto, CA 943012302
(650) 853-2955
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
March 3, 2020
Year of graduation
1967 — 59 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
California #G17607

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477629756. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
18,569
Distinct HCPCS
10
Medicare allowed
$509,795
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 8,020 67 $0
71046 X-ray of chest, 2 views 1,975 1,772 $43
73562 X-ray of knee, 3 views 812 629 $55
73630 X-ray of foot, minimum of 3 views 783 592 $46
73501 X-ray of hip, 1 view 618 551 $44
73030 X-ray of shoulder, minimum of 2 views 554 474 $46
Q9966 Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml 550 11 $0
72100 X-ray of lower and sacral spine, 2-3 views 548 520 $53
73564 X-ray of knee, 4 or more views 529 425 $63
73130 X-ray of hand, minimum of 3 views 455 346 $50

In context: peer comparison

Among 12 peers in Palo Alto Diagnostic Radiology Physician, average services per provider: 279. This provider delivers 67× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$63
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Merz North America, INC. 1 $40.92
Pharming Healthcare, INC. 1 $21.70

By nature of payment

Food and Beverage
$63

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Walter's medical specialty?
Dr. Joseph Walter practices Diagnostic Radiology Physician in Palo Alto, CA.
Where does Dr. Joseph Walter practice?
Dr. Joseph Walter practices at 795 El Camino Real, Palo Alto, CA 943012302. Office phone: 6508532955.
What is Dr. Joseph Walter's NPI?
Dr. Joseph Walter's National Provider Identifier (NPI) is 1477629756, issued by NPPES.
Does Dr. Joseph Walter accept Medicare assignment?
Yes. Dr. Joseph Walter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Walter commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); X-ray of chest, 2 views (HCPCS 71046); X-ray of knee, 3 views (HCPCS 73562). Source: CMS Medicare Physician & Other Practitioners file.