Doctor profile · Federal record

Dr. Rodolfo Cadang, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Hercules, CA

  • NPI 1508898990
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
500 Alfred Nobel Dr, Suite 150
Hercules, CA 945471838
(510) 741-2111

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A52818

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508898990. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,239
Distinct HCPCS
10
Medicare allowed
$131,006
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 597 157 $129
99213 Established patient office or other outpatient visit, 20-29 minutes 278 112 $88
93922 Ultrasound study of arm and leg arteries 106 50 $91
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 75 72 $17
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 48 48 $153
G0181 Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow 39 11 $121
90662 Influenza vaccine split virus, preservative free 30 30 $67
G0008 Administration of influenza virus vaccine 28 28 $25
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 15 15 $63
99215 Established patient office or other outpatient visit, 40-54 minutes 12 12 $210

In context: peer comparison

Among 1 peers in Hercules Internal Medicine Physician, average services per provider: 112. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$80
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Ironwood Pharmaceuticals, INC 2 $47.73
Pfizer INC. 1 $32.15

By nature of payment

Food and Beverage
$80

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,660
Patients
494
Total drug cost
$42,033
Drug Type Claims Patients Total cost
Losartan Potassium Generic 237 75 $7,104
Amlodipine Besylate Generic 221 70 $3,414
Atorvastatin Calcium Generic 168 53 $3,319
Rosuvastatin Calcium Generic 149 45 $4,145
Metoprolol Succinate Generic 106 27 $2,883
Simvastatin Generic 89 30 $1,598
Levothyroxine Sodium Generic 88 23 $1,728
Metformin Hcl ER (Metformin Hcl) Brand 88 30 $2,049
Lisinopril Generic 83 25 $1,269
Zolpidem Tartrate Generic 77 0 $600

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Rodolfo Cadang's medical specialty?
Dr. Rodolfo Cadang practices Internal Medicine Physician in Hercules, CA.
Where does Dr. Rodolfo Cadang practice?
Dr. Rodolfo Cadang practices at 500 Alfred Nobel Dr, Hercules, CA 945471838. Office phone: 5107412111.
What is Dr. Rodolfo Cadang's NPI?
Dr. Rodolfo Cadang's National Provider Identifier (NPI) is 1508898990, issued by NPPES.
Does Dr. Rodolfo Cadang accept Medicare assignment?
Yes. Dr. Rodolfo Cadang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rodolfo Cadang 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); Ultrasound study of arm and leg arteries (HCPCS 93922). Source: CMS Medicare Physician & Other Practitioners file.