Doctor profile · Federal record

Dr. Grant Gwinup, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · General Practice Physician · Placerville, CA

  • NPI 1669463964
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1095 Marshall Way Ste 203
Placerville, CA 956675722
(530) 344-5496
Additional location
1100 Marshall Way
Placerville, CA 956676533
(530) 622-1441
Additional location
825 Delbon Ave
Turlock, CA 953822016
(209) 342-2300
fax (209) 524-4240
Mailing address
Po Box 45680
San Francisco, CA 941450680

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
July 21, 2022
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #G57154

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669463964. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
326
Distinct HCPCS
3
Medicare allowed
$18,846
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 197 79 $68
97597 Removal of tissue from wound, 20.0 sq cm or less 116 42 $37
99203 New patient office or other outpatient visit, 30-44 minutes 13 13 $85

In context: peer comparison

Among 3 peers in this city , average services per provider: 136. This provider delivers 2.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Grant Gwinup's medical specialty?
Dr. Grant Gwinup practices Emergency Medicine Physician in Placerville, CA.
Where does Dr. Grant Gwinup practice?
Dr. Grant Gwinup practices at 1095 Marshall Way Ste 203, Placerville, CA 956675722. Office phone: 5303445496.
What is Dr. Grant Gwinup's NPI?
Dr. Grant Gwinup's National Provider Identifier (NPI) is 1669463964, issued by NPPES.
Does Dr. Grant Gwinup accept Medicare assignment?
Yes. Dr. Grant Gwinup accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grant Gwinup commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Removal of tissue from wound, 20.0 sq cm or less (HCPCS 97597); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.