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DR. PORSHIA GABRIELLE UNDERWOOD M.D
NPI 1205299609
Obstetrics & Gynecology in Seattle, WA

Active since April 01, 2016PECOS EnrolledAccepts Medicare Assignment
97.15/100
CMS Quality Rating
325 9TH AVE, SEATTLE, WA 98104(206) 520-5000 Get Directions Write a Review

NPPES record last updated: June 3, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 3, 2020, Apr 1, 2016 (2 updates tracked since 2016).

About Dr. Porshia Gabrielle Underwood M.d NPPES

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

DR. PORSHIA GABRIELLE UNDERWOOD M.D (NPI 1205299609) is an individual obstetrics & gynecology provider in Seattle, Washington, licensed in Washington (MD61048422) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1205299609
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. PORSHIA GABRIELLE UNDERWOODCredential: M.D
Location Address325 9TH AVESeattle, WA 98104-2420
Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 520-5700
Phone(206) 520-5000
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 1, 2016
Last NPPES UpdateJune 3, 20202 updates tracked since enumeration
NPPES CertifiedJune 3, 2020
✔ NPI 1205299609 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in WA · MD61048422
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.
325 9TH AVE, Seattle, WA 98104
Open in Google Maps ↗

Other Identifiers 1

Medicaid1205299609WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Porshia Gabrielle Underwood M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID840550471
PECOS Enrollment IDI20200609001649
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.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Washington Medical Ctr

Acute Care Hospitals · Seattle, WA
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number500008
Location1959 NE Pacific St Box 356151Seattle, WA 98195 · King County
Emergency services Birthing friendly

Harborview Medical Center

Acute Care Hospitals · Seattle, WA
1/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number500064
Location325 9th AvenueSeattle, WA 98104 · King County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98104 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
$143.76 typical visit price
range $63.67 – $189.37
Typical copayment $35.94 (range $15.91 – $47.34)
Most-billed visit code 99204
Established Patient
$78.74 typical visit price
range $21.12 – $155.00
Typical copayment $19.68 (range $5.28 – $38.75)
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.

97.15/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality96.69
Promoting Interoperability100
Improvement Activities40
Cost86.57

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.

SANDRA K WALKER ARNP
Nurse Practitioner (Acute Care)
325 9TH AVE
SEATTLE, WA 98104
King County (206) 598-0502
JULIA J VISSER DPT
Physical Therapist
325 9TH AVE, BOX 359920
SEATTLE, WA 98104
King County (206) 744-1675
GENIA J MONCADA
Pharmacist
325 9TH AVE, MAILSTOP 359912
SEATTLE, WA 98104
King County (206) 731-3219
JACQUELINE M. KIM LICSW, MSW
Social Worker (Clinical)
325 9TH AVE, BOX 359760
SEATTLE, WA 98104
King County (206) 744-8511
MS. DIANE E WHEELER MS, PA-C
Physician Assistant (Medical)
325 9TH AVE
SEATTLE, WA 98104
King County (206) 744-3000
AMELIA V. RIVERA
Physical Therapist
325 9TH AVE
SEATTLE, WA 98104
King County (206) 774-3300
TIMOTHY WILLIAM MENZA MD, PHD
Internal Medicine (Infectious Disease)
325 9TH AVE
SEATTLE, WA 98104
King County (206) 520-5000
DEMETRIOS TEREZAKIS
Occupational Therapist
325 9TH AVE
SEATTLE, WA 98104
King County (206) 744-6112

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 Porshia Underwood's NPI number?

The NPI number for Porshia Underwood is 1205299609. It was assigned to this individual provider in the NPPES registry on April 1, 2016.

Where is Porshia Underwood located?

Porshia Underwood practices at 325 9th Ave, Seattle, WA 98104. The listed phone number is (206) 520-5000.

What is Porshia Underwood's specialty?

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

Is Porshia Underwood enrolled in Medicare?

Yes. Porshia Underwood is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Porshia Underwood accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Porshia Underwood as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Porshia Underwood affiliated with any hospitals?

According to CMS data, Porshia Underwood is affiliated with University Of Washington Medical Ctr and Harborview Medical Center.

When was this NPI record last updated?

The NPPES record for Porshia Underwood was last updated on June 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.