Doctor profile · Federal record

Dr. Diego Ferro, M.D.

Specialist (CMS: Internal Medicine) · Stockton, CA

  • NPI 1700027877
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
420 W Acacia St, Suite 1
Stockton, CA 952032441
(209) 948-1583
fax (209) 948-3564

Credentials & registration

NPPES · NUCC
NPI registered
March 2009 — 17 yrs on file
Profile last updated
February 13, 2020
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
174400000X — NUCC code
State license (1)
California #A106012
Medicaid
CA #1700027877

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700027877. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,445
Distinct HCPCS
10
Medicare allowed
$132,072
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 650 340 $131
99213 Established patient office or other outpatient visit, 20-29 minutes 162 124 $92
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 77 77 $15
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 76 15 $1
J1885 Injection, ketorolac tromethamine, per 15 mg 70 23 $1
96372 Injection of drug or substance under skin or into muscle 67 36 $14
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 62 62 $135
G0008 Administration of influenza virus vaccine 55 55 $32
90662 Influenza vaccine split virus, preservative free 52 52 $72
G0447 Face-to-face behavioral counseling for obesity, 15 minutes 51 41 $26

In context: peer comparison

Among 7 peers in this city , average services per provider: 823. This provider delivers 1.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$255
Transactions
8
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Corcept Therapeutics 1 $115.00
Novo Nordisk Inc 3 $67.69
Dexcom, Inc. 2 $30.42
Astellas Pharma US Inc 1 $24.35
IRONWOOD PHARMACEUTICALS, INC 1 $17.64

By nature of payment

Food and Beverage
$255

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,496
Patients
1,477
Total drug cost
$72,029
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 705 243 $11,863
Losartan Potassium Generic 456 164 $6,357
Levothyroxine Sodium Generic 441 139 $8,678
Amlodipine Besylate Generic 370 130 $3,936
Metformin Hcl Generic 348 130 $4,835
Gabapentin Generic 308 94 $3,763
Lisinopril Generic 291 103 $4,245
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 235 43 $4,647
Pravastatin Sodium Generic 219 76 $7,149
Alprazolam Generic 210 43 $1,478

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Diego Ferro's medical specialty?
Dr. Diego Ferro practices Specialist in Stockton, CA.
Where does Dr. Diego Ferro practice?
Dr. Diego Ferro practices at 420 W Acacia St, Stockton, CA 952032441. Office phone: 2099481583.
What is Dr. Diego Ferro's NPI?
Dr. Diego Ferro's National Provider Identifier (NPI) is 1700027877, issued by NPPES.
Does Dr. Diego Ferro accept Medicare assignment?
Yes. Dr. Diego Ferro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diego Ferro commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.