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DR. SIERRA LI'EN WASHINGTON MD
NPI 1386845162
Obstetrics & Gynecology in San Diego, CA

Active since May 30, 2007PECOS Enrolled
98.52/100
CMS Quality Rating
1075 CAMINO DEL RIO S, SUITE 300, SAN DIEGO, CA 92108(619) 881-4500(866) 886-7824 Get Directions Write a Review

NPPES record last updated: February 15, 2016. Verified against the NPPES registry weekly; last sync: October 11, 2026.

About Dr. Sierra Li'en Washington Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SIERRA LI'EN WASHINGTON MD (NPI 1386845162) is an individual obstetrics & gynecology provider in San Diego, California, licensed in California (A99781) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1386845162
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. SIERRA LI'EN WASHINGTONCredential: MD
Location Address1075 CAMINO DEL RIO S, SUITE 300San Diego, CA 92108-3538
Mailing Address1075 Camino Del Rio S, Suite 300San Diego, CA 92108-3538 · (619) 881-4500 · Fax (866) 886-7824
Phone(619) 881-4500
Fax(866) 886-7824
Sole ProprietorYes
Enumeration DateMay 30, 2007
Last NPPES UpdateFebruary 15, 2016
✔ NPI 1386845162 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A99781
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1075 CAMINO DEL RIO S, San Diego, CA 92108
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Other Identifiers 1

Medicare UPINRES000CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sierra Li'en Washington Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92108 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.52/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.85
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JEFF RUGGLES
Pharmacist
1075 CAMINO DEL RIO S
SAN DIEGO, CA 92108
San Diego County (619) 881-5094
KATHYA VIDES RN
Registered Nurse
1075 CAMINO DEL RIO S
SAN DIEGO, CA 92108
San Diego County (619) 881-4630
KIMBERLY SELLERS NP
Nurse Practitioner (Women's Health)
1075 CAMINO DEL RIO S
SAN DIEGO, CA 92108
San Diego County (619) 881-4500
MRS. SARA D SCHILT P.A.
Physician Assistant
1075 CAMINO DEL RIO S
SAN DIEGO, CA 92108
San Diego County (619) 881-4500
MRS. THERESA PERPETUO N. P.
Nurse Practitioner (Family)
1075 CAMINO DEL RIO S
SAN DIEGO, CA 92108
San Diego County (619) 881-4500
IDALIA SAWYER
Nurse Practitioner (Family)
1075 CAMINO DEL RIO S
SAN DIEGO, CA 92108
San Diego County (619) 881-4500
ANNA JONAN
Nurse Practitioner
1075 CAMINO DEL RIO S
SAN DIEGO, CA 92108
San Diego County (619) 881-4500
DIANA HERNANDEZ RN
Registered Nurse
1075 CAMINO DEL RIO S
SAN DIEGO, CA 92108
San Diego County (619) 822-1273

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sierra Washington's NPI number?

The NPI number for Sierra Washington is 1386845162. It was assigned to this individual provider in the NPPES registry on May 30, 2007.

Where is Sierra Washington located?

Sierra Washington practices at 1075 Camino Del Rio S Suite 300, San Diego, CA 92108. The listed phone number is (619) 881-4500.

What is Sierra Washington's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Sierra Washington enrolled in Medicare?

Yes. Sierra Washington is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Sierra Washington was last updated on February 15, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.