John Glassburn, MD
NPI 1669404984 · Medical Oncology Physician · Sewell, NJ
Enrolled with Medicare as Order and Referring Only - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Glassburn, MD is a Medical Oncology Physician provider in Sewell, NJ (NPI 1669404984).
Provider details
- NPI number
- 1669404984
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD009725E (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-07
- Last updated
- 2015-01-06
Frequently asked questions
- What is John Glassburn's NPI number?
- John Glassburn's National Provider Identifier (NPI) is 1669404984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Glassburn's specialty?
- John Glassburn is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Glassburn located?
- John Glassburn's practice location on file with NPPES is 900 Medical Center Dr, Sewell, NJ 08080-2358.
- What is John Glassburn's phone number?
- The practice phone number listed in the NPPES registry for John Glassburn is (856) 582-3008.
- Does John Glassburn accept Medicare?
- John Glassburn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Glassburn's NPI active?
- Yes — John Glassburn's NPI (1669404984) is active in the NPPES registry as of the last update on 2015-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.