Doctor profile · Federal record

Dr. Kathryn Germeraad, DO

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · San Marcos, CA

  • NPI 1649830498
  • 7 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
314 S Twin Oaks Valley RD Ste 114
San Marcos, CA 920784390
(858) 554-1212
fax (858) 795-1195
Mailing address
9850 Genesee Ave Ste 320
La Jolla, CA 920371208

Credentials & registration

NPPES · NUCC
NPI registered
June 2019 — 7 yrs on file
Profile last updated
March 12, 2026
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (3)
California #23504 · Louisiana #331481 · Virginia #0116032621

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649830498. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
32
Distinct HCPCS
1
Medicare allowed
$5,470
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 32 32 $171

In context: peer comparison

Among 5 peers in this city , average services per provider: 93. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$42
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Breas Medical, Inc. 1 $26.96
Novartis Pharmaceuticals Corporation 1 $15.29

By nature of payment

Food and Beverage
$42

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
36
Patients
25
Total drug cost
$347
Drug Type Claims Patients Total cost
Methocarbamol Generic 20 13 $229
Naproxen Generic 16 12 $118

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathryn Germeraad's medical specialty?
Dr. Kathryn Germeraad practices Internal Medicine Physician in San Marcos, CA.
Where does Dr. Kathryn Germeraad practice?
Dr. Kathryn Germeraad practices at 314 S Twin Oaks Valley RD Ste 114, San Marcos, CA 920784390. Office phone: 8585541212.
What is Dr. Kathryn Germeraad's NPI?
Dr. Kathryn Germeraad's National Provider Identifier (NPI) is 1649830498, issued by NPPES.
Does Dr. Kathryn Germeraad accept Medicare assignment?
Dr. Kathryn Germeraad does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Kathryn Germeraad commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.