DR. TONYA LYNN WATSON M.D.
NPI 1578608352
Anesthesiology in Baltimore, MD
About Dr. Tonya Lynn Watson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TONYA LYNN WATSON M.D. (NPI 1578608352) is an individual anesthesiology provider in Baltimore, Maryland, licensed in Pennsylvania (MD476179) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (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 and accepts Medicare assignment
Dr. Tonya Lynn Watson M.d. 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
4Medicare enrollment records show Tonya Watson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21218
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 482 clinicians in this Medicare group
Baltimore, MD 21239
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 3,530 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, Maryland enrollment
- 44 clinicians in this Medicare group
Prince Frederick, MD 20678
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 196 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 4
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.
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 Tonya Watson's NPI number?
The NPI number for Tonya Watson is 1578608352. It was assigned to this individual provider in the NPPES registry on February 20, 2007.
Where is Tonya Watson located?
Tonya Watson practices at 511 E 39th St, Baltimore, MD 21218. The listed phone number is (410) 889-6709.
What is Tonya Watson's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Tonya Watson enrolled in Medicare?
Yes. Tonya Watson 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 Tonya Watson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tonya Watson reassigns Medicare benefits to 4 organizations: Medstar Medical Group Anesthesiology LLC (Baltimore, MD), Medstar Medical Group II LLC (Baltimore, MD), Bestgate Anesthesia LLC (Annapolis, MD) and North American Partners In Anesthesia Maryland LLC (Prince Frederick, 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 Tonya Watson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Tonya Watson was last updated on January 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Tonya Lynn Watson, M.D. · NPI 1578608352
Anesthesiology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since February 20, 2007.
## Identity
- **NPI:** 1578608352 (Entity type: Individual)
- **Enumerated:** February 20, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** MD476179 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 511 E 39TH ST, Baltimore, MD 21218-1902
- **Phone:** (410) 889-6709
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Medstar Medical Group Anesthesiology LLC (NPI 1528578333, Baltimore, MD); Medstar Medical Group II LLC (NPI 1184046187, Baltimore, MD); Bestgate Anesthesia LLC (NPI 1568889327, Annapolis, MD); North American Partners In Anesthesia Maryland LLC (NPI 1093707879, Prince Frederick, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Kansas School Of Med, class of 2002
## Record status
- **NPPES last updated:** January 19, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1578608352) · Data from the CMS NPPES public registry.