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DR. TAMMY W CHAN M.D.
NPI 1902077324
Obstetrics & Gynecology in Westerville, OH

Active since March 13, 2008PECOS EnrolledAccepts Medicare Assignment
550 S CLEVELAND AVE, STE D, WESTERVILLE, OH 43081(614) 865-7600(614) 392-2546 Get Directions Write a Review

NPPES record last updated: February 14, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Tammy W Chan M.d. NPPES

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

DR. TAMMY W CHAN M.D. (NPI 1902077324) is an individual obstetrics & gynecology provider in Westerville, Ohio, licensed in Ohio (35092332) and active in the NPI registry since March 2008. She is enrolled in Medicare PECOS, is affiliated with Mount Carmel St Ann's, and is a graduate of Ohio State University College Of Medicine (2003).

NPPES Registry Identity

NPI1902077324
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. TAMMY W CHANCredential: M.D.
Location Address550 S CLEVELAND AVE, STE DWesterville, OH 43081-8958
Mailing Address550 S Cleveland Ave, Ste DWesterville, OH 43081-8958 · (614) 865-7600 · Fax (614) 392-2546
Phone(614) 865-7600
Fax(614) 392-2546
Sole ProprietorNo
Medical School CMSOhio State University College Of MedicineGraduated 2003
Enumeration DateMarch 13, 2008
Last NPPES UpdateFebruary 14, 2022
NPPES CertifiedFebruary 14, 2022
✔ NPI 1902077324 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in OH · 35092332✔ Licensed in IN · 11011777A
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.
550 S CLEVELAND AVE, Westerville, OH 43081
Open in Google Maps ↗

Other Identifiers 1

Medicaid2885794OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource, MedMutual and more.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. Tammy W Chan 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 ID4284783226
PECOS Enrollment IDI20090521000153
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.

Mount Carmel St Ann's

Acute Care Hospitals · Westerville, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360012
Location500 South Cleveland AvenueWesterville, OH 43081 · Franklin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43081 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
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
Established Patient
$68.07 typical visit price
range $17.10 – $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.

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.

WESLEY J HARNISH MD
Ophthalmology
550 S CLEVELAND AVE, SUITE E
WESTERVILLE, OH 43081
Franklin County (614) 899-2020
DR. JOHN H BUCHAN JR. D.P.M.
Podiatrist
550 S CLEVELAND AVE
WESTERVILLE, OH 43081
Franklin County (614) 890-7224
HEIDI D ARBONA M.D.
Obstetrics & Gynecology
550 S CLEVELAND AVE, STE D
WESTERVILLE, OH 43081
Franklin County (614) 865-7600
MRS. STEPHANIE A BEIER-PHILLIPS MSN
Nurse Practitioner (Women's Health)
550 S CLEVELAND AVE, STE D
WESTERVILLE, OH 43081
Franklin County (614) 865-7600

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 Tammy Chan's NPI number?

The NPI number for Tammy Chan is 1902077324. It was assigned to this individual provider in the NPPES registry on March 13, 2008.

Where is Tammy Chan located?

Tammy Chan practices at 550 S Cleveland Ave Ste D, Westerville, OH 43081. The listed phone number is (614) 865-7600.

What is Tammy Chan's specialty?

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

Is Tammy Chan enrolled in Medicare?

Yes. Tammy Chan 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 Tammy Chan accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource, MedMutual and Oscar Health Insurance list Tammy Chan 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 Tammy Chan affiliated with any hospitals?

According to CMS data, Tammy Chan is affiliated with Mount Carmel St Ann's.

When was this NPI record last updated?

The NPPES record for Tammy Chan was last updated on February 14, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.