PEI-YU KATHERINE WATTS CRNA
NPI 1508155730
Nurse Anesthetist, Certified Registered in Ellicott City, MD
About Pei-yu Katherine Watts Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PEI-YU KATHERINE WATTS CRNA (NPI 1508155730) is an individual nurse anesthetist, certified registered in Ellicott City, Maryland, licensed in Maryland (RN179735) and active in the NPI registry since March 2011. She is affiliated with Holy Cross Hospital, maintains a secondary practice location in Baltimore, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
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
Pei-yu Katherine Watts Crna 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.
Medicare Billing Reassignments
8Medicare enrollment records show Pei-yu Watts reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbia, MD 21044
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Columbia, MD 21046
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 717 clinicians in this Medicare group
Pikesville, MD 21208
- Reassigned Medicare billing, Maryland enrollment
- 103 clinicians in this Medicare group
Towson, MD 21286
- Reassigned Medicare billing, Maryland enrollment
- 29 clinicians in this Medicare group
Lanham, MD 20706
- Reassigned Medicare billing, District of Columbia enrollment
- 29 clinicians in this Medicare group
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 54 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 391 clinicians in this Medicare group
Prince Frederick, MD 20678
- Reassigned Medicare billing, Maryland enrollment
- 468 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Holy Cross Hospital
Acute Care Hospitals · Silver Spring, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21043 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.
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 Pei-yu Watts's NPI number?
The NPI number for Pei-yu Watts is 1508155730. It was assigned to this individual provider in the NPPES registry on March 28, 2011. The provider is also known as Peiyu Katherine Wang.
Where is Pei-yu Watts located?
Pei-yu Watts practices at 4678 Yorkshire Dr, Ellicott City, MD 21043. The listed phone number is (267) 303-0425.
What is Pei-yu Watts's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Pei-yu Watts enrolled in Medicare?
Yes. Pei-yu Watts 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 Pei-yu Watts's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Pei-yu Watts reassigns Medicare benefits to 8 organizations: Johns Hopkins University (Columbia, MD), First Colonies Anesthesia Associates, LLC (Columbia, MD), Lifebridge Community Gastroenterology, LLC (Pikesville, MD), Anesthesia Solutions, LLC (Towson, MD), Greenbelt Anesthesia Associates, LLC (Lanham, MD) and 3 more organizations, listed in the Medicare section above. 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 Pei-yu Watts's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Pei-yu Watts affiliated with any hospitals?
According to CMS data, Pei-yu Watts is affiliated with Holy Cross Hospital.
When was this NPI record last updated?
The NPPES record for Pei-yu Watts was last updated on May 13, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Pei-Yu Katherine Watts, CRNA · NPI 1508155730
Nurse Anesthetist, Certified Registered physician in Ellicott City, Maryland. Individual provider, active in the CMS NPPES registry since March 28, 2011.
## Identity
- **NPI:** 1508155730 (Entity type: Individual)
- **Enumerated:** March 28, 2011
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** RN179735 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 4678 YORKSHIRE DR, Ellicott City, MD 21043-6504
- **Phone:** (267) 303-0425
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1285453795, Columbia, MD); First Colonies Anesthesia Associates, LLC (NPI 1740218767, Columbia, MD); Lifebridge Community Gastroenterology, LLC (NPI 1033558416, Pikesville, MD); Anesthesia Solutions, LLC (NPI 1144360314, Towson, MD); Greenbelt Anesthesia Associates, LLC (NPI 1548216450, Lanham, MD); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** May 13, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1508155730) · Data from the CMS NPPES public registry.