Doctor profile · Federal record

Dr. John Ambrose, MD

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Fresno, CA

  • NPI 1598795429
  • Accepts Medicare
  • 54 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2335 E Kashian Ln Ste 240
Fresno, CA 937012211
(559) 320-0545
fax (559) 320-0550
Mailing address
2625 E Divisadero St
Fresno, CA 937211431

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 23, 2024
Year of graduation
1972 — 54 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
California #G87536
Medicaid
CA #OOG875360

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598795429. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,170
Distinct HCPCS
9
Medicare allowed
$87,219
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 4,733 3,588 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 174 120 $133
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 75 69 $15
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 44 35 $81
99215 Established patient office or other outpatient visit, 40-54 minutes 39 33 $182
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 38 37 $132
99213 Established patient office or other outpatient visit, 20-29 minutes 34 32 $94
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 18 16 $121
99205 New patient office or other outpatient visit, 60-74 minutes 15 15 $227

In context: peer comparison

Among 14 peers in this city , average services per provider: 224. This provider delivers 23× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$78
Transactions
4
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 1 $23.27
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $21.85
Novo Nordisk Inc 1 $17.75
Medtronic, Inc. 1 $15.31

By nature of payment

Food and Beverage
$78

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,072
Patients
357
Total drug cost
$72,311
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 195 60 $3,806
Rosuvastatin Calcium Generic 110 40 $2,567
Metoprolol Succinate Generic 108 41 $2,234
Losartan Potassium Generic 73 28 $878
Lisinopril Generic 72 22 $1,124
Spironolactone Generic 69 19 $876
Eliquis (Apixaban) Brand 62 12 $53,584
Carvedilol Generic 60 18 $747
Hydrochlorothiazide Generic 60 21 $213
Ezetimibe Generic 57 21 $3,297

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Ambrose's medical specialty?
Dr. John Ambrose practices Cardiovascular Disease Physician in Fresno, CA.
Where does Dr. John Ambrose practice?
Dr. John Ambrose practices at 2335 E Kashian Ln Ste 240, Fresno, CA 937012211. Office phone: 5593200545.
What is Dr. John Ambrose's NPI?
Dr. John Ambrose's National Provider Identifier (NPI) is 1598795429, issued by NPPES.
Does Dr. John Ambrose accept Medicare assignment?
Yes. Dr. John Ambrose accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Ambrose commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.