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MICHAEL S SHAMSELDIN MD
NPI 1629142922
Family Medicine in Maple Valley, WA

Active since November 20, 2006PECOS EnrolledAccepts Medicare Assignment
27203 216TH AVE SE STE D, MAPLE VALLEY, WA 98038(425) 690-3425(425) 690-9425 Get Directions Write a Review

NPPES record last updated: October 31, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 7, 2023, Oct 9, 2020 (2 updates tracked since 2020).

About Michael S Shamseldin Md NPPES

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

MICHAEL S SHAMSELDIN MD (NPI 1629142922) is an individual family medicine provider in Maple Valley, Washington, licensed in Washington (MD00032335) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Valley Medical Center, and maintains a secondary practice location in Seattle.

NPPES Registry Identity

NPI1629142922
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameMICHAEL S SHAMSELDINCredential: MD
Location Address27203 216TH AVE SE STE DMaple Valley, WA 98038-3274
Mailing Address27203 216th Ave Se Ste DMaple Valley, WA 98038-3274 · (425) 690-3425 · Fax (425) 690-9425
Phone(425) 690-3425
Fax(425) 690-9425
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 1992
Enumeration DateNovember 20, 2006
Last NPPES UpdateOctober 31, 20252 updates tracked since enumeration
NPPES CertifiedOctober 31, 2025
✔ NPI 1629142922 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in WA · MD00032335
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
27203 216TH AVE SE STE D, Maple Valley, WA 98038
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Secondary Practice Location 1

Location 17210 Roosevelt Way NESeattle, WA 98115-5600 · Phone (206) 320-3400 · Fax (206) 320-5773

Other Identifiers 1

Medicaid2333257WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans, 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

Michael S Shamseldin Md 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 ID7810164761
PECOS Enrollment IDI20120118000570
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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
154 services90 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
49 services49 patients

Hospital Affiliations CMS Care Compare

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

Valley Medical Center

Acute Care Hospitals · Renton, WA
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500088
Location400 S 43rd StRenton, WA 98055 · King County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98038 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
$97.43 typical visit price
range $63.67 – $189.37
Typical copayment $24.35 (range $15.91 – $47.34)
Most-billed visit code 99203
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

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

JOSHUA H KACHNER M.D.
Internal Medicine
27203 216TH AVE SE STE D
MAPLE VALLEY, WA 98038
King County (425) 656-4100
LAUREN NICOLE VALENTINE PA-S
Physician Assistant (Medical)
27203 216TH AVE SE STE D
MAPLE VALLEY, WA 98038
King County (425) 690-3425
DAVID W SWEIGER MD
Family Medicine
27203 216TH AVE SE STE D
MAPLE VALLEY, WA 98038
King County (425) 690-3425
VALERIE JILL MAZZIOTTI PAC
Physician Assistant
27203 216TH AVE SE STE D
MAPLE VALLEY, WA 98038
King County (425) 690-3425

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 Michael Shamseldin's NPI number?

The NPI number for Michael Shamseldin is 1629142922. It was assigned to this individual provider in the NPPES registry on November 20, 2006.

Where is Michael Shamseldin located?

Michael Shamseldin practices at 27203 216th Ave SE Ste D, Maple Valley, WA 98038. The listed phone number is (425) 690-3425.

What is Michael Shamseldin's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Michael Shamseldin enrolled in Medicare?

Yes. Michael Shamseldin 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 Michael Shamseldin accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Michael Shamseldin 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 Michael Shamseldin affiliated with any hospitals?

According to CMS data, Michael Shamseldin is affiliated with Valley Medical Center.

When was this NPI record last updated?

The NPPES record for Michael Shamseldin was last updated on October 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.