Doctor profile · Federal record

Dr. Gregory Hammett, D.O.

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Santa Barbara, CA

  • NPI 1508266727
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
317 W Pueblo St
Santa Barbara, CA 931054365
(805) 681-7500
Additional location
2100 Powell St Ste 400
Emeryville, CA 946081872
(510) 851-7501
fax (510) 851-7446
Additional location
230 Prospect Pl Ste 340B
Coronado, CA 921181991
(619) 522-4000
Mailing address
Po Box 62106
Santa Barbara, CA 931602106

Credentials & registration

NPPES · NUCC
NPI registered
August 2014 — 12 yrs on file
Profile last updated
March 6, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #20A14761

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508266727. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
856
Distinct HCPCS
5
Medicare allowed
$109,728
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 275 116 $123
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 238 228 $179
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 203 98 $81
99239 Hospital discharge day management, more than 30 minutes 108 105 $119
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 32 32 $134

In context: peer comparison

Among 6 peers in Santa Barbara Hospitalist Physician, average services per provider: 196. This provider delivers 4.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
23
Patients
11
Total drug cost
$6,098
Drug Type Claims Patients Total cost
Furosemide Generic 12 11 $36
Eliquis (Apixaban) Brand 11 0 $6,062

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Hammett's medical specialty?
Dr. Gregory Hammett practices Hospitalist Physician in Santa Barbara, CA.
Where does Dr. Gregory Hammett practice?
Dr. Gregory Hammett practices at 317 W Pueblo St, Santa Barbara, CA 931054365. Office phone: 8056817500.
What is Dr. Gregory Hammett's NPI?
Dr. Gregory Hammett's National Provider Identifier (NPI) is 1508266727, issued by NPPES.
Does Dr. Gregory Hammett accept Medicare assignment?
Yes. Dr. Gregory Hammett accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Hammett commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.