KAREN YI-SAN TANG MD
NPI 1922255363
Obstetrics & Gynecology - Gynecology in Bryn Mawr, PA

Active since August 27, 2008Opted out of Medicare · through Oct 1, 2026
135 S BRYN MAWR AVE STE 110, BRYN MAWR, PA 19010(484) 897-7113(484) 243-1967 Get Directions Write a Review

NPPES record last updated: June 25, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 25, 2024, Jun 29, 2021, Jan 10, 2020 (3 updates tracked since 2020).

About Karen Yi-san Tang Md NPPES

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

KAREN YI-SAN TANG MD (NPI 1922255363) is an individual gynecology provider in Bryn Mawr, Pennsylvania, licensed in Pennsylvania (MD452717) and active in the NPI registry since August 2008. She has opted out of Medicare through October 1, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1922255363
Entity TypeIndividualFemale
Primary Taxonomy207VG0400X
Provider Legal NameKAREN YI-SAN TANGCredential: MD
Location Address135 S BRYN MAWR AVE STE 110Bryn Mawr, PA 19010-3129
Mailing Address135 S Bryn Mawr Ave Ste 110Bryn Mawr, PA 19010-3129 · (484) 897-7113 · Fax (484) 243-1967
Fax(484) 243-1967
Sole ProprietorNo
Enumeration DateAugust 27, 2008
Last NPPES UpdateJune 25, 20243 updates tracked since enumeration
NPPES CertifiedJune 25, 2024
NPI 1922255363 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & Gynecology · GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207VG0400X
License Licensed in PA · MD452717
Definition
A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions. Source: National Uniform Claim Committee
135 S BRYN MAWR AVE STE 110, Bryn Mawr, PA 19010

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Karen Yi-san Tang Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 1, 2024 through October 1, 2026.

Opt-Out Effective DateOctober 1, 2024
Opt-Out In Effect ThroughOctober 1, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19010 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
$137.17 typical visit price
range $59.88 – $180.99
Typical copayment $34.29 (range $14.97 – $45.24)
Most-billed visit code 99204
Established Patient
$74.47 typical visit price
range $19.30 – $147.29
Typical copayment $18.61 (range $4.82 – $36.82)
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

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

Social Worker (Clinical)
135 S BRYN MAWR AVE STE 110
BRYN MAWR, PA 19010

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 Karen Tang's NPI number?

The NPI number for Karen Tang is 1922255363. It was assigned to this individual provider in the NPPES registry on August 27, 2008.

Where is Karen Tang located?

Karen Tang practices at 135 S Bryn Mawr Ave Ste 110, Bryn Mawr, PA 19010. The listed phone number is (484) 897-7113.

What is Karen Tang's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.

Is Karen Tang enrolled in Medicare?

No. Karen Tang has opted out of Medicare through October 1, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Karen Tang was last updated on June 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.