Doctor profile · Federal record

Dr. Ian Concepcion, M.D.

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

  • NPI 1245569367
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
975 Sereno Dr, Department of Hospital Based Specialists (Hbs)
Vallejo, CA 945892441
(707) 651-1000

Credentials & registration

NPPES · NUCC
NPI registered
December 2009 — 17 yrs on file
Profile last updated
February 11, 2022
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A107683

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245569367. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
83
Distinct HCPCS
3
Medicare allowed
$7,746
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 53 23 $84
99238 Hospital discharge day management, 30 minutes or less 17 17 $87
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 13 13 $138

In context: peer comparison

Among 12 peers in this city , average services per provider: 138. This provider delivers 0.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
100
Patients
46
Total drug cost
$1,277
Drug Type Claims Patients Total cost
Furosemide Generic 20 12 $213
Pantoprazole Sodium Generic 16 12 $170
Clopidogrel (Clopidogrel Bisulfate) Brand 15 0 $283
Metoprolol Succinate Generic 15 0 $170
Metoprolol Tartrate Generic 12 11 $125
Amlodipine Besylate Generic 11 0 $143
Cefpodoxime Proxetil Generic 11 11 $174

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ian Concepcion's medical specialty?
Dr. Ian Concepcion practices Internal Medicine Physician in Vallejo, CA.
Where does Dr. Ian Concepcion practice?
Dr. Ian Concepcion practices at 975 Sereno Dr, Vallejo, CA 945892441. Office phone: 7076511000.
What is Dr. Ian Concepcion's NPI?
Dr. Ian Concepcion's National Provider Identifier (NPI) is 1245569367, issued by NPPES.
Does Dr. Ian Concepcion accept Medicare assignment?
Yes. Dr. Ian Concepcion accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ian Concepcion commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.