MS. MELVI VILLANUEVA TAY CRNP
NPI 1336581255
Nurse Practitioner in Baltimore, MD
About Ms. Melvi Villanueva Tay Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MELVI VILLANUEVA TAY CRNP (NPI 1336581255) is an individual nurse practitioner in Baltimore, Maryland, licensed in Maryland (R195043) and active in the NPI registry since July 2013. She is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and is a graduate of Other (2012).
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 and accepts Medicare assignment
Ms. Melvi Villanueva Tay Crnp 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
2Medicare enrollment records show Melvi Tay reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Physicians PA
- 614 clinicians in this Medicare group
Baltimore, MD 21215
- Reassigned Medicare billing, Maryland and District of Columbia enrollments
- Also billed through NPI 1043053523 (District of Columbia)
- 101 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
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Maryland Medical Center
Acute Care Hospitals · Baltimore, MDUmd Rehabilitation & Orthopaedic Institute
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
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 Melvi Tay's NPI number?
The NPI number for Melvi Tay is 1336581255. It was assigned to this individual provider in the NPPES registry on July 19, 2013.
Where is Melvi Tay located?
Melvi Tay practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-5720.
What is Melvi Tay's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Melvi Tay enrolled in Medicare?
Yes. Melvi Tay 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 Melvi Tay's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melvi Tay reassigns Medicare benefits to 2 organizations: University Of Maryland Physicians, P.A. (Baltimore, MD) and Synergy Medical Group LLC (Baltimore, MD). 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 Melvi Tay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Melvi Tay affiliated with any hospitals?
According to CMS data, Melvi Tay is affiliated with University Of Maryland Medical Center and Umd Rehabilitation & Orthopaedic Institute.
When was this NPI record last updated?
The NPPES record for Melvi Tay was last updated on February 27, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Ms. Melvi Villanueva Tay, CRNP · NPI 1336581255
Nurse Practitioner physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since July 19, 2013.
## Identity
- **NPI:** 1336581255 (Entity type: Individual)
- **Enumerated:** July 19, 2013
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** R195043 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 S GREENE ST, Baltimore, MD 21201-1590
- **Phone:** (410) 328-5720 · **Fax:** (410) 328-5685
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Maryland Physicians, P.A. (NPI 1104877075, Baltimore, MD); Synergy Medical Group LLC (NPI 1154297455, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** February 27, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1336581255) · Data from the CMS NPPES public registry.