DR. CHRISTOPHER JORDAN GAMPER M.D., PH.D.
NPI 1669518965
Pediatrics - Pediatric Hematology-Oncology in Baltimore, MD
About Dr. Christopher Jordan Gamper M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHRISTOPHER JORDAN GAMPER M.D., PH.D. (NPI 1669518965) is an individual pediatric hematology-oncology provider in Baltimore, Maryland, licensed in Maryland (D0061508) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Christopher Jordan Gamper M.d., Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Christopher Gamper reassigns Medicare billing to 2 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 enrollment
- 62 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.
Medicare 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
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 Christopher Gamper's NPI number?
The NPI number for Christopher Gamper is 1669518965. It was assigned to this individual provider in the NPPES registry on January 30, 2007.
Where is Christopher Gamper located?
Christopher Gamper practices at 601 N Caroline St Jhoc 8, Baltimore, MD 21287. The listed phone number is (410) 955-8751.
What is Christopher Gamper's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Christopher Gamper enrolled in Medicare?
Yes. Christopher Gamper is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Christopher Gamper's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Gamper reassigns Medicare benefits to 2 organizations: Johns Hopkins University (Baltimore, MD) and Johns Hopkins University (Baltimore, 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 Christopher Gamper'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 Christopher Gamper was last updated on February 6, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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. Christopher Jordan Gamper, M.D., PH.D. · NPI 1669518965
Pediatric Hematology-Oncology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since January 30, 2007.
## Identity
- **NPI:** 1669518965 (Entity type: Individual)
- **Enumerated:** January 30, 2007
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** D0061508 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 601 N CAROLINE ST, JHOC 8, Baltimore, MD 21287-0006
- **Phone:** (410) 955-8751 · **Fax:** (410) 955-1002
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1295731966, Baltimore, MD); Johns Hopkins University (NPI 1477540904, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 6, 2013
- **Other identifiers:** Medicare PIN 135331ZAWA (MD); Medicaid 019475100 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1669518965) · Data from the CMS NPPES public registry.