EUGENE GROSVENOR M.D.
NPI 1508947664
Anesthesiology in Baltimore, MD
About Eugene Grosvenor M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EUGENE GROSVENOR M.D. (NPI 1508947664) is an individual anesthesiology provider in Baltimore, Maryland, licensed in Maryland (D0043865) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Maryland School Of Medicine (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Eugene Grosvenor 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
5Medicare enrollment records show Eugene Grosvenor reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21202
- Reassigned Medicare billing, Maryland enrollment
- 96 clinicians in this Medicare group
Timonium, MD 21093
- Reassigned Medicare billing, Maryland enrollment
- 11 clinicians in this Medicare group
Columbia, MD 21045
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 86 clinicians in this Medicare group
Fulton, MD 20759
- Reassigned Medicare billing, Maryland and District of Columbia enrollments
- Also billed through NPI 1376501007 (District of Columbia)
- 42 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 391 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 3
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 Eugene Grosvenor's NPI number?
The NPI number for Eugene Grosvenor is 1508947664. It was assigned to this individual provider in the NPPES registry on October 17, 2006.
Where is Eugene Grosvenor located?
Eugene Grosvenor practices at 343 North Clavert St Third Floor, Baltimore, MD 21201. The listed phone number is (410) 659-0689.
What is Eugene Grosvenor's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Eugene Grosvenor enrolled in Medicare?
Yes. Eugene Grosvenor 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 Eugene Grosvenor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eugene Grosvenor reassigns Medicare benefits to 5 organizations: North Calvert Anesthesiology Services LLC (Baltimore, MD), Urological Institute Of Maryland (Timonium, MD), Columbia Outpatient Sedation LLC (Columbia, MD), Holy Cross Anesthesiology Associate PA (Fulton, MD) and Anesthesia Company, LLC (Annapolis, 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 Eugene Grosvenor'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 Eugene Grosvenor was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Eugene Grosvenor, M.D. · NPI 1508947664
Anesthesiology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since October 17, 2006.
## Identity
- **NPI:** 1508947664 (Entity type: Individual)
- **Enumerated:** October 17, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** D0043865 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 343 NORTH CLAVERT ST, THIRD FLOOR, Baltimore, MD 21201
- **Phone:** (410) 659-0689
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): North Calvert Anesthesiology Services LLC (NPI 1710360227, Baltimore, MD); Urological Institute Of Maryland (NPI 1316536352, Timonium, MD); Columbia Outpatient Sedation LLC (NPI 1588921225, Columbia, MD); Holy Cross Anesthesiology Associate PA (NPI 1306636279, Fulton, MD); Anesthesia Company, LLC (NPI 1871548156, Annapolis, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Maryland School Of Medicine, class of 1991
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare ID-Type Unspecified 259U (MD); Medicare UPIN G06595 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1508947664) · Data from the CMS NPPES public registry.