MARY KATHERINE GUAY PA-C
NPI 1790769008
Physician Assistant in Baltimore, MD
About Mary Katherine Guay Pa-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY KATHERINE GUAY PA-C (NPI 1790769008) is an individual physician assistant in Baltimore, Maryland, licensed in Maryland (C05161) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS and maintains a secondary practice location in San Diego.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mary Katherine Guay Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Physician 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
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 Mary Guay's NPI number?
The NPI number for Mary Guay is 1790769008. It was assigned to this individual provider in the NPPES registry on November 30, 2005.
Where is Mary Guay located?
Mary Guay practices at 1800 Orleans St, Baltimore, MD 21287. The listed phone number is (410) 502-2037.
What is Mary Guay's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Mary Guay enrolled in Medicare?
Yes. Mary Guay is registered in the Medicare PECOS enrollment system.
What insurance does Mary Guay accept?
Health plans from CareSource list Mary Guay 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.
When was this NPI record last updated?
The NPPES record for Mary Guay was last updated on January 24, 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.
# Mary Katherine Guay, PA-C · NPI 1790769008
Physician Assistant physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since November 30, 2005.
## Identity
- **NPI:** 1790769008 (Entity type: Individual)
- **Enumerated:** November 30, 2005
- **Primary specialty:** Physician Assistant · taxonomy 363A00000X
- **State license:** C05161 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1800 ORLEANS ST, Baltimore, MD 21287-0010
- **Phone:** (410) 502-2037 · **Fax:** (410) 955-0737
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
## Record status
- **NPPES last updated:** January 24, 2024
- **Other identifiers:** Other C05161 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1790769008) · Data from the CMS NPPES public registry.