DR. NICOLAS DORSEY M.D., PH.D.
NPI 1518345669
Anesthesiology in Baltimore, MD
About Dr. Nicolas Dorsey M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NICOLAS DORSEY M.D., PH.D. (NPI 1518345669) is an individual anesthesiology provider in Baltimore, Maryland, licensed in Maryland (D0089204) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and is a graduate of University Of Maryland School Of Medicine (2015).
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. Nicolas Dorsey M.d., Ph.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 Reassignment
Medicare enrollment records show Nicolas Dorsey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Anesthesiology Associates PA
- 303 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.
University Of Maryland Medical Center
Acute Care Hospitals · Baltimore, MDUniversity Of MD Shore Medical Center At Easton
Acute Care Hospitals · Easton, MDUmd Upper Chesapeake Medical Center
Acute Care Hospitals · Bel Air, MDOther Providers at the Same Location NPPES 18
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
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 Nicolas Dorsey's NPI number?
The NPI number for Nicolas Dorsey is 1518345669. It was assigned to this individual provider in the NPPES registry on May 8, 2015.
Where is Nicolas Dorsey located?
Nicolas Dorsey practices at 22 S Greene St # S11c Department Of Anesthesiology, Baltimore, MD 21201. The listed phone number is (667) 224-0861.
What is Nicolas Dorsey's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Nicolas Dorsey enrolled in Medicare?
Yes. Nicolas Dorsey 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 organization bills Medicare for Nicolas Dorsey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicolas Dorsey reassigns Medicare benefits to University Of Maryland Anesthesiology Associates P.A. (Baltimore, MD). The 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 Nicolas Dorsey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Nicolas Dorsey affiliated with any hospitals?
According to CMS data, Nicolas Dorsey is affiliated with University Of Maryland Medical Center, University Of MD Shore Medical Center At Easton and Umd Upper Chesapeake Medical Center.
When was this NPI record last updated?
The NPPES record for Nicolas Dorsey was last updated on August 5, 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.
# Dr. Nicolas Dorsey, M.D., PH.D. · NPI 1518345669
Anesthesiology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since May 8, 2015.
## Identity
- **NPI:** 1518345669 (Entity type: Individual)
- **Enumerated:** May 8, 2015
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** D0089204 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 S GREENE ST # S11C, DEPARTMENT OF ANESTHESIOLOGY, Baltimore, MD 21201-1544
- **Phone:** (667) 224-0861
## 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:** University Of Maryland Anesthesiology Associates P.A. (NPI 1033915145, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Maryland School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** August 5, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1518345669) · Data from the CMS NPPES public registry.