Doctor profile · Federal record

Dr. Jeffrey Thomas, M.D.

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Walnut Creek, CA

  • NPI 1396765111
  • Accepts Medicare
  • MIPS 85.7 / 100 · 2023
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1220 Rossmoor Pkwy
Walnut Creek, CA 945952501
(925) 947-3393
fax (925) 947-3396
Mailing address
Dept 34929, P.O. Box 39000
San Francisco, CA 941390001

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 11, 2014
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A68446
Medicaid
CA #00A684460

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396765111. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,471
Distinct HCPCS
7
Medicare allowed
$164,116
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 733 269 $89
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 336 148 $135
99239 Hospital discharge day management, more than 30 minutes 200 196 $132
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 77 77 $196
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 62 45 $56
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 47 47 $147
99238 Hospital discharge day management, 30 minutes or less 16 16 $93

In context: peer comparison

Among 20 peers in this city , average services per provider: 150. This provider delivers 9.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
117
Patients
58
Total drug cost
$10,523
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 23 14 $123
Furosemide Generic 21 13 $82
Cefpodoxime Proxetil Generic 19 19 $608
Eliquis (Apixaban) Brand 16 0 $9,399
Pantoprazole Sodium Generic 15 0 $149
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 12 12 $110
Carvedilol Generic 11 0 $51

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeffrey Thomas's medical specialty?
Dr. Jeffrey Thomas practices Hospitalist Physician in Walnut Creek, CA.
Where does Dr. Jeffrey Thomas practice?
Dr. Jeffrey Thomas practices at 1220 Rossmoor Pkwy, Walnut Creek, CA 945952501. Office phone: 9259473393.
What is Dr. Jeffrey Thomas's NPI?
Dr. Jeffrey Thomas's National Provider Identifier (NPI) is 1396765111, issued by NPPES.
Does Dr. Jeffrey Thomas accept Medicare assignment?
Yes. Dr. Jeffrey Thomas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeffrey Thomas commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.