JOHN SAMPSON M.D.
NPI 1215969332
Anesthesiology in Baltimore, MD
About John Sampson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN SAMPSON M.D. (NPI 1215969332) is an individual anesthesiology provider in Baltimore, Maryland, licensed in Maryland (D43109) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of University Of California, San Francisco School Of Medicine (1989).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John Sampson M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show John Sampson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1124629837 (Maryland)
- 691 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
Bel Air, MD 21014
- Reassigned Medicare billing, Maryland enrollment
- 38 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDMedicare 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
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 John Sampson's NPI number?
The NPI number for John Sampson is 1215969332. It was assigned to this individual provider in the NPPES registry on July 7, 2006.
Where is John Sampson located?
John Sampson practices at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-6353.
What is John Sampson's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Sampson enrolled in Medicare?
Yes. John Sampson is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for John Sampson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Sampson reassigns Medicare benefits to 4 organizations: Johns Hopkins University (Baltimore, MD), Johns Hopkins Community Physicians, Inc (Baltimore, MD), University Of Maryland Anesthesiology Associates, P.A. (Baltimore, MD) and Upper Chesapeake Critical Care Associates, LLC (Bel Air, 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 John Sampson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Sampson affiliated with any hospitals?
According to CMS data, John Sampson is affiliated with Johns Hopkins Hospital, The.
When was this NPI record last updated?
The NPPES record for John Sampson was last updated on January 15, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# John Sampson, M.D. · NPI 1215969332
Anesthesiology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since July 7, 2006.
## Identity
- **NPI:** 1215969332 (Entity type: Individual)
- **Enumerated:** July 7, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** D43109 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 N WOLFE ST, Baltimore, MD 21287-0005
- **Phone:** (410) 955-6353
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Johns Hopkins University (NPI 1023018413, Baltimore, MD); Johns Hopkins Community Physicians, Inc (NPI 1255359972, Baltimore, MD); University Of Maryland Anesthesiology Associates, P.A. (NPI 1720024235, Baltimore, MD); Upper Chesapeake Critical Care Associates, LLC (NPI 1538367545, Bel Air, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 1989
## Record status
- **NPPES last updated:** January 15, 2014
- **Other identifiers:** Medicare UPIN E66427 (MD); Medicaid 369921800 (MD); Medicare PIN KR79J269 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1215969332) · Data from the CMS NPPES public registry.