Doctor profile · Federal record

Dr. Benjamin Fritz, M.D.

Nephrology Physician (CMS: Nephrology) · Specialist · Santa Rosa, CA

  • NPI 1265482772
  • Accepts Medicare
  • 29 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2301 Circadian Way, Suite A
Santa Rosa, CA 954075416
(707) 526-2027
fax (707) 526-2096
Additional location
3055 N Reserve St Ste D
Missoula, MT 598081395
(406) 327-7000
fax (406) 329-1927

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
May 18, 2021
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State licenses (2)
Montana #MED-PHYS-LIC-88487 · California #A66856
Medicaid
CA #00A66856

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265482772. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
279
Distinct HCPCS
4
Medicare allowed
$22,981
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 143 53 $79
90935 Hemodialysis procedure with physician evaluation 50 22 $72
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 47 43 $131
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 39 18 $49

In context: peer comparison

Among 3 peers in this city , average services per provider: 159. This provider delivers 1.8× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Benjamin Fritz's medical specialty?
Dr. Benjamin Fritz practices Nephrology Physician in Santa Rosa, CA.
Where does Dr. Benjamin Fritz practice?
Dr. Benjamin Fritz practices at 2301 Circadian Way, Santa Rosa, CA 954075416. Office phone: 7075262027.
What is Dr. Benjamin Fritz's NPI?
Dr. Benjamin Fritz's National Provider Identifier (NPI) is 1265482772, issued by NPPES.
Does Dr. Benjamin Fritz accept Medicare assignment?
Yes. Dr. Benjamin Fritz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Benjamin Fritz commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hemodialysis procedure with physician evaluation (HCPCS 90935); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.