Doctor profile · Federal record

Dr. Katherine Thomas, MD

Internal Medicine Physician · Bakersfield, CA

  • NPI 1033555354
  • MIPS 90.2 / 100 · 2023
  • 13 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
420 34Th St
Bakersfield, CA 933012237
(661) 327-5350
fax (661) 321-9803
Additional location
8313 Brimhall RD Ste 2001
Bakersfield, CA 933122243
(661) 516-1516
fax (888) 498-3601

Credentials & registration

NPPES · NUCC
NPI registered
May 2013 — 13 yrs on file
Profile last updated
February 11, 2026
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A135391

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033555354. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
338
Distinct HCPCS
5
Medicare allowed
$34,913
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 181 94 $81
99239 Hospital discharge day management, more than 30 minutes 96 94 $118
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 27 19 $122
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 22 22 $178
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 12 12 $134

In context: peer comparison

Among 55 peers in this city , average services per provider: 228. This provider delivers 1.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$42
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, Inc 1 $21.93
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) 1 $19.89

By nature of payment

Food and Beverage
$42

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
74
Patients
70
Total drug cost
$8,997
Drug Type Claims Patients Total cost
Levofloxacin Generic 18 17 $202
Prednisone Generic 15 15 $35
Cephalexin Generic 14 14 $97
Eliquis (Apixaban) Brand 14 11 $8,631
Metoprolol Tartrate Generic 13 13 $32

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Thomas's medical specialty?
Dr. Katherine Thomas practices Internal Medicine Physician in Bakersfield, CA.
Where does Dr. Katherine Thomas practice?
Dr. Katherine Thomas practices at 420 34Th St, Bakersfield, CA 933012237. Office phone: 6613275350.
What is Dr. Katherine Thomas's NPI?
Dr. Katherine Thomas's National Provider Identifier (NPI) is 1033555354, issued by NPPES.
What procedures does Dr. Katherine Thomas commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.