Doctor profile · Federal record

Dr. Eric Dietrich, PA

Surgical Physician Assistant (CMS: Physician Assistant) · Mission Viejo, CA

  • NPI 1639137250
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
27700 Medical Center RD
Mission Viejo, CA 926916426
(949) 364-1400
Additional location
22431 Antonio Pkwy # B160-613
Rancho Santa Margarita, CA 926882804
(833) 477-2677
fax (833) 477-2677
Additional location
3801 S Harbor Blvd
Santa Ana, CA 927047901
(714) 751-5555
Mailing address
22431 Antonio Pkwy # B160-613
Rancho Santa Margarita, CA 926882804

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
March 7, 2023
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
363AS0400X — NUCC code
State license (1)
California #PA15996

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639137250. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
13
Distinct HCPCS
1
Medicare allowed
$2,410
HCPCS Description Services Patients Avg allowed
27447 Replacement of knee joint, both sides of knee 13 13 $185

In context: peer comparison

Among 3 peers in Mission Viejo Surgical Physician Assistant, average services per provider: 26. This provider delivers 0.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,044
Transactions
8
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 8 $1,043.72

By nature of payment

Travel and Lodging
$1,028
Food and Beverage
$16

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Eric Dietrich's medical specialty?
Dr. Eric Dietrich practices Surgical Physician Assistant in Mission Viejo, CA.
Where does Dr. Eric Dietrich practice?
Dr. Eric Dietrich practices at 27700 Medical Center RD, Mission Viejo, CA 926916426. Office phone: 9493641400.
What is Dr. Eric Dietrich's NPI?
Dr. Eric Dietrich's National Provider Identifier (NPI) is 1639137250, issued by NPPES.
Does Dr. Eric Dietrich accept Medicare assignment?
Yes. Dr. Eric Dietrich accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eric Dietrich commonly perform?
Top Medicare-reported procedures in 2023: Replacement of knee joint, both sides of knee (HCPCS 27447). Source: CMS Medicare Physician & Other Practitioners file.