DR. SIAN WEST-PORTER D.O.
NPI 1821479130
Obstetrics & Gynecology in Kalamazoo, MI

Active since June 11, 2015PECOS EnrolledAccepts Medicare Assignment
84.88/100
CMS Quality Rating
601 JOHN ST STE N1200, KALAMAZOO, MI 49007(269) 341-7979 Get Directions Write a Review

NPPES record last updated: March 13, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 13, 2023, Sep 25, 2020 (2 updates tracked since 2020).

About Dr. Sian West-porter D.o. NPPES

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

DR. SIAN WEST-PORTER D.O. (NPI 1821479130) is an individual obstetrics & gynecology provider in Kalamazoo, Michigan, licensed in Michigan (5101021924) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS, is affiliated with Bronson Methodist Hospital, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1821479130
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. SIAN WEST-PORTERCredential: D.O.
Location Address601 JOHN ST STE N1200Kalamazoo, MI 49007-5318
Mailing Address1640 Pinch HwyCharlotte, MI 48813-9797 · (808) 220-9161
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateJune 11, 2015
Last NPPES UpdateMarch 13, 20232 updates tracked since enumeration
NPPES CertifiedMarch 13, 2023
NPI 1821479130 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in MI · 5101021924
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.

601 JOHN ST STE N1200, Kalamazoo, MI 49007

Accepted 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. Sian West-porter D.o. 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 ID5597090514
PECOS Enrollment IDI20190713000055
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

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

Bronson Methodist Hospital

Acute Care Hospitals · Kalamazoo, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230017
Location601 John StreetKalamazoo, MI 49007 · Kalamazoo County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49007 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
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.

84.88/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.29
Promoting Interoperability100
Improvement Activities40
Cost68.32

Other Providers at the Same Location NPPES 12

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

Advanced Practice Midwife
601 JOHN ST STE N1200
KALAMAZOO, MI 49007
Advanced Practice Midwife
601 JOHN ST STE N1200
KALAMAZOO, MI 49007
Nurse Practitioner (Family)
601 JOHN ST STE N1200
KALAMAZOO, MI 49007
Obstetrics & Gynecology (Obstetrics)
601 JOHN ST STE N1200
KALAMAZOO, MI 49007
Obstetrics & Gynecology
601 JOHN ST STE N1200
KALAMAZOO, MI 49007
Obstetrics & Gynecology
601 JOHN ST STE N1200
KALAMAZOO, MI 49007
Advanced Practice Midwife
601 JOHN ST STE N1200
KALAMAZOO, MI 49007
Nurse Practitioner (Adult Health)
601 JOHN ST STE N1200
KALAMAZOO, MI 49007

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 Sian West-porter's NPI number?

The NPI number for Sian West-porter is 1821479130. It was assigned to this individual provider in the NPPES registry on June 11, 2015.

Where is Sian West-porter located?

Sian West-porter practices at 601 John St Ste N1200, Kalamazoo, MI 49007. The listed phone number is (269) 341-7979.

What is Sian West-porter's specialty?

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

Is Sian West-porter enrolled in Medicare?

Yes. Sian West-porter 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 Sian West-porter accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health and UnitedHealthcare list Sian West-porter 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 Sian West-porter affiliated with any hospitals?

According to CMS data, Sian West-porter is affiliated with Bronson Methodist Hospital.

When was this NPI record last updated?

The NPPES record for Sian West-porter was last updated on March 13, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.