Doctor profile · Federal record

Dr. John Hiss, M.D.

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

  • NPI 1386663052
  • Accepts Medicare
  • MIPS 85.7 / 100 · 2023
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2700 Grant St, Suite 200
Concord, CA 945202266
(925) 674-2609
fax (925) 674-2211
Mailing address
Dept 34929, P.O. Box 39000
San Francisco, CA 941390001

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
June 21, 2012
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G74796
Medicaid
CA #00G747960

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386663052. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,258
Distinct HCPCS
6
Medicare allowed
$143,452
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 571 233 $90
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 328 155 $135
99239 Hospital discharge day management, more than 30 minutes 208 203 $131
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 74 74 $194
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 53 31 $56
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 24 24 $147

In context: peer comparison

Among 11 peers in this city , average services per provider: 135. This provider delivers 9.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
92
Patients
32
Total drug cost
$19,559
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 30 17 $18,805
Clopidogrel (Clopidogrel Bisulfate) Brand 19 0 $251
Cefuroxime (Cefuroxime Axetil) Brand 18 15 $215
Pantoprazole Sodium Generic 14 0 $157
Atorvastatin Calcium Generic 11 0 $131

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Hiss's medical specialty?
Dr. John Hiss practices Internal Medicine Physician in Concord, CA.
Where does Dr. John Hiss practice?
Dr. John Hiss practices at 2700 Grant St, Concord, CA 945202266. Office phone: 9256742609.
What is Dr. John Hiss's NPI?
Dr. John Hiss's National Provider Identifier (NPI) is 1386663052, issued by NPPES.
Does Dr. John Hiss accept Medicare assignment?
Yes. Dr. John Hiss accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Hiss commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.