GRAHAM TOOKER
NPI 1235793571
Radiology - Diagnostic Radiology in Baltimore, MD
About Graham Tooker NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRAHAM TOOKER (NPI 1235793571) is an individual diagnostic radiology provider in Baltimore, Maryland, licensed in New Hampshire (33069) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and maintains a secondary practice location in Lebanon.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
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
Graham Tooker 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
2Medicare enrollment records show Graham Tooker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire and Vermont enrollments
- Also billed through NPI 1548210198 (Vermont)
- 2,999 clinicians in this Medicare group
Lebanon, NH 03756
- Reassigned Medicare billing, New Hampshire enrollment
- 2,620 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
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mary Hitchcock Memorial Hospital
Acute Care Hospitals · Lebanon, NHCheshire Medical Center
Acute Care Hospitals · Keene, NHNew London Hospital
Critical Access Hospitals · New London, NHAlice Peck Day Memorial Hospital
Critical Access Hospitals · Lebanon, NHHuggins Hospital
Critical Access Hospitals · Wolfeboro, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21201 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 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 Graham Tooker's NPI number?
The NPI number for Graham Tooker is 1235793571. It was assigned to this individual provider in the NPPES registry on April 23, 2019.
Where is Graham Tooker located?
Graham Tooker practices at 827 Linden Ave, Baltimore, MD 21201. The listed phone number is (410) 225-8790.
What is Graham Tooker's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Graham Tooker enrolled in Medicare?
Yes. Graham Tooker 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 Graham Tooker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Graham Tooker reassigns Medicare benefits to 2 organizations: Dartmouth-Hitchcock Clinic (Keene, NH) and Mary Hitchcock Memorial Hospital (Lebanon, NH). 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 Graham Tooker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Graham Tooker accept?
Health plans from Taro Health list Graham Tooker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Graham Tooker affiliated with any hospitals?
According to CMS data, Graham Tooker is affiliated with Mary Hitchcock Memorial Hospital, Cheshire Medical Center, New London Hospital, Alice Peck Day Memorial Hospital and Huggins Hospital.
When was this NPI record last updated?
The NPPES record for Graham Tooker was last updated on October 8, 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.
# Graham Tooker · NPI 1235793571
Diagnostic Radiology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since April 23, 2019.
## Identity
- **NPI:** 1235793571 (Entity type: Individual)
- **Enumerated:** April 23, 2019
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 33069 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 827 LINDEN AVE, Baltimore, MD 21201-4606
- **Phone:** (410) 225-8790
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Dartmouth-Hitchcock Clinic (NPI 1174176861, Keene, NH); Mary Hitchcock Memorial Hospital (NPI 1023092053, Lebanon, NH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** October 8, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1235793571) · Data from the CMS NPPES public registry.