KAREN CHIU WANG MD
NPI 1942213731
Obstetrics & Gynecology in Baltimore, MD
About Karen Chiu Wang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN CHIU WANG MD (NPI 1942213731) is an individual obstetrics & gynecology provider in Baltimore, Maryland, licensed in Maryland (D80527) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Mercer University School Of Medicine (2002).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Karen Chiu Wang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Karen Wang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDJohns Hopkins Howard County Medical Center
Acute Care Hospitals · Columbia, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21287 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
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 Wang's NPI number?
The NPI number for Karen Wang is 1942213731. It was assigned to this individual provider in the NPPES registry on August 14, 2006.
Where is Karen Wang located?
Karen Wang practices at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 614-4496.
What is Karen Wang's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Karen Wang enrolled in Medicare?
Yes. Karen Wang is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Karen Wang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Wang reassigns Medicare benefits to Johns Hopkins University (Baltimore, MD). The 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 Karen Wang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Karen Wang affiliated with any hospitals?
According to CMS data, Karen Wang is affiliated with Johns Hopkins Hospital, The and Johns Hopkins Howard County Medical Center.
When was this NPI record last updated?
The NPPES record for Karen Wang was last updated on February 5, 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.
# Karen Chiu Wang, MD · NPI 1942213731
Obstetrics & Gynecology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since August 14, 2006.
## Identity
- **NPI:** 1942213731 (Entity type: Individual)
- **Enumerated:** August 14, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** D80527 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 N WOLFE ST, Baltimore, MD 21287-0005
- **Phone:** (410) 614-4496
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Johns Hopkins University (NPI 1023018413, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Mercer University School Of Medicine, class of 2002
## Record status
- **NPPES last updated:** February 5, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1942213731) · Data from the CMS NPPES public registry.