Doctor profile · Federal record

Dr. John Warwick, MD

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

  • NPI 1730286865
  • Accepts Medicare
  • MIPS 0.0 / 100 · 2023
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
205 West Granger Ave
Modesto, CA 953504425
(209) 579-9930
fax (209) 579-9941

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
March 17, 2009
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #G69711

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1730286865. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,197
Distinct HCPCS
10
Medicare allowed
$198,323
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 710 200 $130
99213 Established patient office or other outpatient visit, 20-29 minutes 702 213 $91
17000 Destruction of precancer skin growth, 1 growth 181 98 $69
17003 Destruction of precancer skin growth, 2-14 growths 168 90 $7
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 57 57 $132
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 56 55 $76
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 56 50 $15
G0008 Administration of influenza virus vaccine 56 55 $29
96372 Injection of drug or substance under skin or into muscle 46 32 $15
99215 Established patient office or other outpatient visit, 40-54 minutes 41 40 $183

In context: peer comparison

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

Open Payments

Industry payments received

CMS Open Payments
All-time total
$338
Transactions
16
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 5 $87.58
Lilly USA, LLC 2 $46.69
ABBVIE INC. 2 $44.50
Novo Nordisk Inc 2 $36.85
Medtronic, Inc. 1 $30.92
Abbott Laboratories 1 $27.97
PFIZER INC. 1 $26.31
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $21.02
Kowa Pharmaceuticals America, Inc. 1 $15.95

By nature of payment

Food and Beverage
$338

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,407
Patients
1,024
Total drug cost
$72,235
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 357 99 $8,282
Losartan Potassium Generic 355 117 $6,961
Atorvastatin Calcium Generic 336 107 $7,686
Amlodipine Besylate Generic 319 94 $4,702
Lisinopril Generic 303 88 $5,440
Tamsulosin Hcl Generic 246 72 $6,508
Rosuvastatin Calcium Generic 204 60 $6,454
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 199 28 $6,389
Metformin Hcl Generic 180 58 $3,216
Hydrochlorothiazide Generic 173 53 $823

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Warwick's medical specialty?
Dr. John Warwick practices Family Medicine Physician in Modesto, CA.
Where does Dr. John Warwick practice?
Dr. John Warwick practices at 205 West Granger Ave, Modesto, CA 953504425. Office phone: 2095799930.
What is Dr. John Warwick's NPI?
Dr. John Warwick's National Provider Identifier (NPI) is 1730286865, issued by NPPES.
Does Dr. John Warwick accept Medicare assignment?
Yes. Dr. John Warwick accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Warwick commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.