Nathaniel Kastan, MD, PHD
NPI 1093404295 · Student in an Organized Health Care Education/Training Program · Baltimore, MD
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathaniel Kastan, MD, PHD is a Student in an Organized Health Care Education/Training Program provider in Baltimore, MD (NPI 1093404295).
Provider details
- NPI number
- 1093404295
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1800 Orleans StBaltimore, MD 21287-0010Phone: (667) 306-6328
Registry dates
- Enumerated
- 2023-05-03
- Last updated
- 2023-05-03
- Certified
- 2023-05-03
Frequently asked questions
- What is Nathaniel Kastan's NPI number?
- Nathaniel Kastan's National Provider Identifier (NPI) is 1093404295, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathaniel Kastan's specialty?
- Nathaniel Kastan is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Nathaniel Kastan located?
- Nathaniel Kastan's practice location on file with NPPES is 4940 Eastern Ave, Baltimore, MD 21224-2735.
- What is Nathaniel Kastan's phone number?
- The practice phone number listed in the NPPES registry for Nathaniel Kastan is (410) 550-0100.
- Does Nathaniel Kastan accept Medicare?
- Nathaniel Kastan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathaniel Kastan's NPI active?
- Yes — Nathaniel Kastan's NPI (1093404295) is active in the NPPES registry as of the last update on 2023-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.