Doctor profile · Federal record

Dr. Ron Newfield, M.D.

Pediatric Endocrinology Physician · San Diego, CA

  • NPI 1679644421
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8110 Birmingham Way
San Diego, CA 921232758
(858) 966-4032
Mailing address
3860 Calle Fortunada, Suite 210
San Diego, CA 921234800

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
August 25, 2011
Specialty taxonomy
2080P0205X — NUCC code
State license (1)
California #A73875
Medicaid
CA #00A738750

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679644421. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,906
Transactions
22
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $1,000.00
Neurocrine Biosciences, Inc. 2 $222.47
Dexcom, Inc. 8 $174.43
Eton Pharmaceuticals, Inc. 1 $148.89
SANOFI-AVENTIS U.S. LLC 1 $140.53
ABBVIE INC. 4 $99.27
Azurity Pharmaceuticals, Inc. 2 $49.33
Tolmar, Inc. 1 $30.50
Tandem Diabetes Care, Inc. 1 $21.58
PFIZER INC. 1 $18.50

By nature of payment

Consulting Fee
$1,000
Food and Beverage
$906

Frequently asked questions

Auto-generated from federal data
What is Dr. Ron Newfield's medical specialty?
Dr. Ron Newfield practices Pediatric Endocrinology Physician in San Diego, CA.
Where does Dr. Ron Newfield practice?
Dr. Ron Newfield practices at 8110 Birmingham Way, San Diego, CA 921232758. Office phone: 8589664032.
What is Dr. Ron Newfield's NPI?
Dr. Ron Newfield's National Provider Identifier (NPI) is 1679644421, issued by NPPES.