Doctor profile · Federal record

Dr. John Ehum, MD

Family Medicine Physician (CMS: Family Practice) · Santa Ana, CA

  • NPI 1942483409
  • Accepts Medicare
  • MIPS 95.9 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 N Main St
Santa Ana, CA 927013576
(714) 456-7002

Credentials & registration

NPPES · NUCC
NPI registered
December 2007 — 19 yrs on file
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A97838

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942483409. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,153
Distinct HCPCS
10
Medicare allowed
$345,704
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 1,342 154 $100
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 581 100 $54
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 335 67 $69
36415 Insertion of needle into vein for collection of blood sample 319 140 $8
99458 Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 244 71 $44
J1885 Injection, ketorolac tromethamine, per 15 mg 244 39 $1
96372 Injection of drug or substance under skin or into muscle 199 70 $16
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 166 45 $59
99497 Advance care planning, first 30 minutes 127 127 $90
G0442 Annual alcohol misuse screening, 5 to 15 minutes 126 126 $21

In context: peer comparison

Among 15 peers in this city , average services per provider: 105. This provider delivers 49× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$435
Transactions
19
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 4 $89.14
Novo Nordisk Inc 3 $70.10
Bayer Healthcare Pharmaceuticals Inc. 3 $64.65
AIMMUNE THERAPEUTICS, INC. 2 $35.53
Novartis Pharmaceuticals Corporation 1 $30.29
Phathom Pharmaceuticals, Inc. 1 $29.89
GlaxoSmithKline, LLC. 1 $29.05
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $26.95
Merck Sharp & Dohme LLC 1 $22.45
AstraZeneca Pharmaceuticals LP 1 $19.75
Amgen Inc. 1 $17.16

By nature of payment

Food and Beverage
$435

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
8,222
Patients
1,873
Total drug cost
$981,888
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 1,604 359 $23,048
Amlodipine Besylate Generic 974 190 $8,910
Losartan Potassium Generic 852 182 $12,363
Metformin Hcl Generic 626 136 $6,747
Omeprazole Generic 603 151 $6,269
Vascepa (Icosapent Ethyl) Brand 524 78 $257,366
Rosuvastatin Calcium Generic 443 84 $6,960
Lidocaine Generic 411 64 $95,657
Creon (Lipase/Protease/Amylase) Brand 406 79 $545,081
Tamsulosin Hcl Generic 370 80 $6,021

Frequently asked questions

Auto-generated from federal data
What is Dr. John Ehum's medical specialty?
Dr. John Ehum practices Family Medicine Physician in Santa Ana, CA.
Where does Dr. John Ehum practice?
Dr. John Ehum practices at 800 N Main St, Santa Ana, CA 927013576. Office phone: 7144567002.
What is Dr. John Ehum's NPI?
Dr. John Ehum's National Provider Identifier (NPI) is 1942483409, issued by NPPES.
Does Dr. John Ehum accept Medicare assignment?
Yes. Dr. John Ehum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Ehum commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Management using the results of remote vital sign monitoring per calendar month (HCPCS 99457); Chronic care management services (HCPCS 99490). Source: CMS Medicare Physician & Other Practitioners file.