Christina Bax
NPI 1659959021 · Dermatology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christina Bax is a Dermatology Physician provider in Philadelphia, PA (NPI 1659959021).
Provider details
- NPI number
- 1659959021
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- D0104740 (MD)
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
5 yrs in NPPES registry
- Profile completeness38% of score
100% 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: (410) 502-2037Fax: (410) 955-0737
Registry dates
- Enumerated
- 2021-03-29
- Last updated
- 2025-12-19
- Certified
- 2025-12-19
Frequently asked questions
- What is Christina Bax's NPI number?
- Christina Bax's National Provider Identifier (NPI) is 1659959021, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Bax's specialty?
- Christina Bax is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Christina Bax located?
- Christina Bax's practice location on file with NPPES is 800 Spruce St, Philadelphia, PA 19107-6130.
- What is Christina Bax's phone number?
- The practice phone number listed in the NPPES registry for Christina Bax is (240) 593-9033.
- Does Christina Bax accept Medicare?
- Christina Bax is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christina Bax's NPI active?
- Yes — Christina Bax's NPI (1659959021) is active in the NPPES registry as of the last update on 2025-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.