Doctor profile · Federal record

Dr. Cherlyn Alferos, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Walnut Creek, CA

  • NPI 1568155430
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2405 Shadelands Dr Ste 300
Walnut Creek, CA 945985906
(925) 939-8585
fax (925) 933-2709
Mailing address
Po Box 31396
Walnut Creek, CA 945988396

Credentials & registration

NPPES · NUCC
NPI registered
May 2023 — 3 yrs on file
Profile last updated
November 2, 2023
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #95023557

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568155430. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$16
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Masimo Corporation 1 $15.58

By nature of payment

Food and Beverage
$16

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$86
Drug Type Claims Patients Total cost
Diclofenac Sodium Generic 11 0 $86

Frequently asked questions

Auto-generated from federal data
What is Dr. Cherlyn Alferos's medical specialty?
Dr. Cherlyn Alferos practices Family Nurse Practitioner in Walnut Creek, CA.
Where does Dr. Cherlyn Alferos practice?
Dr. Cherlyn Alferos practices at 2405 Shadelands Dr Ste 300, Walnut Creek, CA 945985906. Office phone: 9259398585.
What is Dr. Cherlyn Alferos's NPI?
Dr. Cherlyn Alferos's National Provider Identifier (NPI) is 1568155430, issued by NPPES.
Does Dr. Cherlyn Alferos accept Medicare assignment?
Yes. Dr. Cherlyn Alferos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.