CHARLES CLARK
NPI 1265023535
Nurse Anesthetist, Certified Registered in Baltimore, MD
About Charles Clark NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARLES CLARK (NPI 1265023535) is an individual nurse anesthetist, certified registered in Baltimore, Maryland, licensed in Maryland (R217337) and active in the NPI registry since January 2021. He is affiliated with Medstar Franklin Square Medical Center, maintains a secondary practice location in York, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
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
Charles Clark 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
10Medicare enrollment records show Charles Clark reassigns Medicare billing to 10 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: Shock Trauma Associates PA
- 541 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Anesthesiology Associates PA
- 303 clinicians in this Medicare group
Baltimore, MD 21202
- Reassigned Medicare billing, Maryland enrollment
- 96 clinicians in this Medicare group
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
Randallstown, MD 21133
- Reassigned Medicare billing, Maryland enrollment
- 135 clinicians in this Medicare group
Burtonsville, MD 20866
- Reassigned Medicare billing, District of Columbia enrollment
- 84 clinicians in this Medicare group
Westminster, MD 21157
- Reassigned Medicare billing, Maryland enrollment
- 22 clinicians in this Medicare group
Frederick, MD 21702
- Reassigned Medicare billing, Maryland enrollment
- 17 clinicians in this Medicare group
Melville, NY 11747
- Reassigned Medicare billing, Pennsylvania enrollment
- 928 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Medstar Franklin Square Medical Center
Acute Care Hospitals · Rosedale, MDCarroll Hospital Center
Acute Care Hospitals · Westminster, MDMedstar Harbor Hospital
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21225 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 21225
BALTIMORE, MD 21225
BALTIMORE, MD 21225
BALTIMORE, MD 21225
BALTIMORE, MD 21225
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 Charles Clark's NPI number?
The NPI number for Charles Clark is 1265023535. It was assigned to this individual provider in the NPPES registry on January 29, 2021.
Where is Charles Clark located?
Charles Clark practices at 3001 S Hanover St, Baltimore, MD 21225. The listed phone number is (410) 350-3200.
What is Charles Clark's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Charles Clark enrolled in Medicare?
Yes. Charles Clark 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 Charles Clark's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Clark reassigns Medicare benefits to 10 organizations: Shock Trauma Associates, P.A. (Baltimore, MD), University Of Maryland Anesthesiology Associates P.A. (Baltimore, MD), North Calvert Anesthesiology Services LLC (Baltimore, MD), Medstar Medical Group Anesthesiology LLC (Baltimore, MD), Medstar Medical Group II LLC (Baltimore, MD) and 5 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 Charles Clark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Charles Clark affiliated with any hospitals?
According to CMS data, Charles Clark is affiliated with Medstar Franklin Square Medical Center, Carroll Hospital Center and Medstar Harbor Hospital.
When was this NPI record last updated?
The NPPES record for Charles Clark was last updated on June 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.
# Charles Clark · NPI 1265023535
Nurse Anesthetist, Certified Registered physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since January 29, 2021.
## Identity
- **NPI:** 1265023535 (Entity type: Individual)
- **Enumerated:** January 29, 2021
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** R217337 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 3001 S HANOVER ST, Baltimore, MD 21225-1233
- **Phone:** (410) 350-3200
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): Shock Trauma Associates, P.A. (NPI 1679512909, Baltimore, MD); University Of Maryland Anesthesiology Associates P.A. (NPI 1033915145, Baltimore, MD); North Calvert Anesthesiology Services LLC (NPI 1710360227, Baltimore, MD); Medstar Medical Group Anesthesiology LLC (NPI 1528578333, Baltimore, MD); Medstar Medical Group II LLC (NPI 1184046187, Baltimore, MD); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** June 24, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1265023535) · Data from the CMS NPPES public registry.