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TUMAINI RUCKER COKER M.D.
NPI 1295892149
Pediatrics in Mercer Island, WA

Active since January 02, 2007PECOS EnrolledAccepts Medicare Assignment
9107 SE 78TH PL, MERCER ISLAND, WA 98040(310) 663-6721(310) 663-6721 Get Directions Write a Review

NPPES record last updated: September 23, 2016. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 23, 2016, Sep 1, 2016 (2 updates tracked since 2016).

About Tumaini Rucker Coker M.d. NPPES

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

TUMAINI RUCKER COKER M.D. (NPI 1295892149) is an individual pediatrics provider in Mercer Island, Washington, licensed in California (A81110) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2001).

NPPES Registry Identity

NPI1295892149
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameTUMAINI RUCKER COKERCredential: M.D.
Location Address9107 SE 78TH PLMercer Island, WA 98040
Mailing Address9107 Se 78th PlMercer Island, WA 98040 · (310) 663-6721
Phone(310) 663-6721
Fax(310) 663-6721
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateJanuary 2, 2007
Last NPPES UpdateSeptember 23, 20162 updates tracked since enumeration
✔ NPI 1295892149 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in CA · A81110✔ Licensed in IL · 036111712
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
9107 SE 78TH PL, Mercer Island, WA 98040
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Other Names 1

Former Name (1)Tumaini Joel Rucker M.d.

Other Identifiers 5

Medicare PINGA244ZCA
Medicaid036111712IL
Medicaid00A811100CA
OtherA81110CA · Professional License
Medicare ID-Type UnspecifiedWA81110ACA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HMSA.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Tumaini Rucker Coker 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 ID7214039155
PECOS Enrollment IDI20251210002292
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Tumaini Coker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Seattle Children's Hospital
3.0 mi
Primary Care
3939 S OTHELLO ST STE 101
Seattle, WA 98118
  • Reassigned Medicare billing, Washington enrollment
  • Medicare enrollment name: Seattle Childrens Hospital
  • 912 clinicians in this Medicare group
NPI 1134251747 (206) 987-7200
Association Of Chmc And University Physicians
7.0 mi
Orthopaedic Trauma
325 9TH AVE
Seattle, WA 98104
  • Reassigned Medicare billing, Washington enrollment
  • Medicare enrollment name: The Association Of Chrmc And University Physicians
  • 1,443 clinicians in this Medicare group
NPI 1215153671 (206) 731-3000
Kapiolani Medical Center For Women & Children
2,681 mi
Multi-Specialty
1319 PUNAHOU ST
Honolulu, HI 96826
  • Reassigned Medicare billing, Hawaii enrollment
  • 262 clinicians in this Medicare group
NPI 1548215692 (808) 983-6000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98040 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.

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 Tumaini Coker's NPI number?

The NPI number for Tumaini Coker is 1295892149. It was assigned to this individual provider in the NPPES registry on January 2, 2007. The provider is also known as Tumaini Joel Rucker M.D..

Where is Tumaini Coker located?

Tumaini Coker practices at 9107 SE 78th Pl, Mercer Island, WA 98040. The listed phone number is (310) 663-6721.

What is Tumaini Coker's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Tumaini Coker enrolled in Medicare?

Yes. Tumaini Coker 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.

Which organizations bill Medicare for Tumaini Coker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tumaini Coker reassigns Medicare benefits to 3 organizations: Seattle Children's Hospital (Seattle, WA), Association Of Chmc And University Physicians (Seattle, WA) and Kapiolani Medical Center For Women & Children (Honolulu, HI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tumaini Coker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tumaini Coker accept?

Health plans from HMSA list Tumaini Coker 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.

When was this NPI record last updated?

The NPPES record for Tumaini Coker was last updated on September 23, 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.