Doctor profile · Federal record

Dr. Cindy Scharfen, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Therapeutic Radiology Physician · Santa Rosa, CA

  • NPI 1861582322
  • Accepts Medicare
  • 38 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3555 Round Barn Cir
Santa Rosa, CA 954031757
(707) 528-1050
fax (707) 576-0445

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
November 10, 2021
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
California #G67266
Medicaid
CA #00G672660

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861582322. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,339
Distinct HCPCS
10
Medicare allowed
$244,787
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 700 73 $48
77427 Radiation treatment management, 5 treatment sessions 317 86 $204
77334 Design and construction of complex radiation treatment device 293 184 $65
77300 Calculation of radiation therapy dose 225 69 $35
G6002 Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy 149 32 $22
99214 Established patient office or other outpatient visit, 30-39 minutes 139 71 $138
77263 Complex radiation therapy planning 93 81 $179
99205 New patient office or other outpatient visit, 60-74 minutes 86 86 $233
77290 Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 73 71 $88
77338 Design and construction of radiation treatment device for high precision radiation therapy 58 45 $241

In context: peer comparison

Among 1 peers in Santa Rosa Radiation Oncology Physician, average services per provider: 129. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$478
Transactions
18
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 5 $141.84
Daiichi Sankyo INC. 3 $70.16
Janssen Biotech, INC. 2 $45.35
GlaxoSmithKline, LLC. 2 $44.72
Abbvie INC. 1 $34.94
Merck Sharp & Dohme LLC 1 $32.17
Pfizer INC. 1 $30.75
Celgene Corporation 1 $29.84
E.R. Squibb & Sons, L.L.C. 1 $24.67
Genentech USA, INC. 1 $23.85

By nature of payment

Food and Beverage
$478

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
39
Patients
14
Total drug cost
$741
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 22 0 $605
Triamcinolone Acetonide Generic 17 14 $136

Frequently asked questions

Auto-generated from federal data
What is Dr. Cindy Scharfen's medical specialty?
Dr. Cindy Scharfen practices Radiation Oncology Physician in Santa Rosa, CA.
Where does Dr. Cindy Scharfen practice?
Dr. Cindy Scharfen practices at 3555 Round Barn Cir, Santa Rosa, CA 954031757. Office phone: 7075281050.
What is Dr. Cindy Scharfen's NPI?
Dr. Cindy Scharfen's National Provider Identifier (NPI) is 1861582322, issued by NPPES.
Does Dr. Cindy Scharfen accept Medicare assignment?
Yes. Dr. Cindy Scharfen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cindy Scharfen commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment management, 5 treatment sessions (HCPCS 77427); Design and construction of complex radiation treatment device (HCPCS 77334). Source: CMS Medicare Physician & Other Practitioners file.