Doctor profile · Federal record

Dr. Ronald Mandel, D.O.

Family Medicine Physician (CMS: Family Practice) · Aliso Viejo, CA

  • NPI 1659335420
  • Accepts Medicare
  • 51 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
24502 Pacific Park Dr
Aliso Viejo, CA 926563043
(949) 362-2121
Mailing address
P.O. Box 3424
Seal Beach, CA 90740

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
July 16, 2009
Year of graduation
1975 — 51 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #20A4149
Medicaid (2)
CA #00AX41490 · CA #00AX4490

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659335420. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
424
Distinct HCPCS
4
Medicare allowed
$33,482
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 247 76 $98
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 127 26 $67
36415 Insertion of needle into vein for collection of blood sample 25 16 $8
96372 Injection of drug or substance under skin or into muscle 25 12 $16

In context: peer comparison

Among 5 peers in this city , average services per provider: 71. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$859
Transactions
48
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 14 $205.09
Vanda Pharmaceuticals Inc. 8 $175.72
Novo Nordisk Inc 13 $175.42
Boehringer Ingelheim Pharmaceuticals, Inc. 5 $126.26
Antares Pharma, Inc. 5 $111.72
AstraZeneca Pharmaceuticals LP 2 $42.99
Amgen Inc. 1 $21.53

By nature of payment

Food and Beverage
$859

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,232
Patients
343
Total drug cost
$80,283
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 152 38 $1,930
Losartan Potassium Generic 132 29 $1,732
Montelukast Sodium Generic 110 42 $1,031
Gabapentin Generic 101 26 $912
Alprazolam Generic 96 17 $717
Amlodipine Besylate Generic 90 28 $921
Diclofenac Sodium Generic 81 30 $2,378
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 69 17 $1,776
Metformin Hcl Generic 69 22 $614
Ozempic (Semaglutide) Brand 59 0 $65,127

Frequently asked questions

Auto-generated from federal data
What is Dr. Ronald Mandel's medical specialty?
Dr. Ronald Mandel practices Family Medicine Physician in Aliso Viejo, CA.
Where does Dr. Ronald Mandel practice?
Dr. Ronald Mandel practices at 24502 Pacific Park Dr, Aliso Viejo, CA 926563043. Office phone: 9493622121.
What is Dr. Ronald Mandel's NPI?
Dr. Ronald Mandel's National Provider Identifier (NPI) is 1659335420, issued by NPPES.
Does Dr. Ronald Mandel accept Medicare assignment?
Yes. Dr. Ronald Mandel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ronald Mandel commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Chronic care management services (HCPCS 99490); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.