Doctor profile · Federal record

Dr. Roger Friedenthal, M.D.

Plastic Surgery Physician (CMS: Plastic and Reconstructive Surgery) · Santa Rosa, CA

  • NPI 1164521605
  • Accepts Medicare
  • 64 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3562 Round Barn Cir Ste 320
Santa Rosa, CA 954030182
(707) 578-1900
fax (707) 578-1111
Additional location
3838 California St Rm 610
San Francisco, CA 941181508
(415) 387-8007
fax (415) 387-8008

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
March 12, 2024
Year of graduation
1962 — 64 yrs since
Specialty taxonomy
208200000X — NUCC code
State license (1)
California #G9257

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164521605. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
794
Distinct HCPCS
4
Medicare allowed
$146,249
HCPCS Description Services Patients Avg allowed
G0277 Hyperbaric oxygen under pressure, full body chamber, per 30 minute interval 454 13 $232
99213 Established patient office or other outpatient visit, 20-29 minutes 142 27 $107
99183 Management of oxygen chamber therapy 118 13 $115
99214 Established patient office or other outpatient visit, 30-39 minutes 80 21 $151

In context: peer comparison

Among 1 peers in Santa Rosa Plastic Surgery Physician, average services per provider: 198. This provider delivers 4.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$327
Transactions
8
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Aroa Biosurgery Incorporated 1 $138.75
Abbvie INC. 3 $79.30
Incyte Corporation 1 $32.27
Genzyme Corporation 1 $29.58
Sun Pharmaceutical Industries INC. 1 $26.46
Smith+Nephew, INC. 1 $20.87

By nature of payment

Food and Beverage
$327

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
42
Patients
0
Total drug cost
$575
Drug Type Claims Patients Total cost
Cephalexin Generic 29 0 $282
Doxycycline Hyclate Generic 13 0 $293

Frequently asked questions

Auto-generated from federal data
What is Dr. Roger Friedenthal's medical specialty?
Dr. Roger Friedenthal practices Plastic Surgery Physician in Santa Rosa, CA.
Where does Dr. Roger Friedenthal practice?
Dr. Roger Friedenthal practices at 3562 Round Barn Cir Ste 320, Santa Rosa, CA 954030182. Office phone: 7075781900.
What is Dr. Roger Friedenthal's NPI?
Dr. Roger Friedenthal's National Provider Identifier (NPI) is 1164521605, issued by NPPES.
Does Dr. Roger Friedenthal accept Medicare assignment?
Yes. Dr. Roger Friedenthal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roger Friedenthal commonly perform?
Top Medicare-reported procedures in 2023: Hyperbaric oxygen under pressure, full body chamber, per 30 minute interval (HCPCS G0277); Established patient office or other outpatient visit (HCPCS 99213); Management of oxygen chamber therapy (HCPCS 99183). Source: CMS Medicare Physician & Other Practitioners file.