Doctor profile · Federal record

Dr. Karen Ann Rayos, M.D.

Family Medicine Physician (CMS: Family Practice) · Modesto, CA

  • NPI 1114300209
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2116 E Orangeburg Ave
Modesto, CA 953553370
(098) 503-5002
fax (808) 974-4746
Mailing address
Po Box 577197
Modesto, CA 953577197

Credentials & registration

NPPES · NUCC
NPI registered
July 2015 — 11 yrs on file
Profile last updated
July 17, 2023
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A158600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114300209. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
205
Distinct HCPCS
4
Medicare allowed
$25,250
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 140 42 $119
99239 Hospital discharge day management, more than 30 minutes 27 27 $115
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 26 26 $173
99238 Hospital discharge day management, 30 minutes or less 12 12 $81

In context: peer comparison

Among 22 peers in this city , average services per provider: 102. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$368
Transactions
9
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 5 $276.43
Exact Sciences Corporation 1 $27.71
Alkermes, Inc. 1 $24.76
Otsuka America Pharmaceutical, Inc. 1 $22.24
Amgen Inc. 1 $17.05

By nature of payment

Food and Beverage
$368

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,001
Patients
341
Total drug cost
$88,846
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 181 72 $5,470
Levothyroxine Sodium Generic 85 31 $1,705
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 84 38 $1,857
Gabapentin Generic 82 23 $2,914
Amlodipine Besylate Generic 69 32 $1,596
Lisinopril Generic 69 27 $1,409
Baclofen Generic 61 16 $1,636
Metoprolol Succinate Generic 59 17 $1,178
Metformin Hcl Generic 57 22 $898
Metoprolol Tartrate Generic 48 11 $605

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Ann Rayos's medical specialty?
Dr. Karen Ann Rayos practices Family Medicine Physician in Modesto, CA.
Where does Dr. Karen Ann Rayos practice?
Dr. Karen Ann Rayos practices at 2116 E Orangeburg Ave, Modesto, CA 953553370. Office phone: 0985035002.
What is Dr. Karen Ann Rayos's NPI?
Dr. Karen Ann Rayos's National Provider Identifier (NPI) is 1114300209, issued by NPPES.
Does Dr. Karen Ann Rayos accept Medicare assignment?
Yes. Dr. Karen Ann Rayos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Ann Rayos commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.