Johana Diaz, M.D.
NPI 1952628943 · Pediatrics Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Johana Diaz, M.D. is a Pediatrics Physician provider in Baltimore, MD (NPI 1952628943).
Provider details
- NPI number
- 1952628943
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- P25295 (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
16 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)
- 2401 W Belvedere AveBaltimore, MD 21215-5216Phone: (410) 601-9386Fax: (410) 601-6308
Registry dates
- Enumerated
- 2010-04-29
- Last updated
- 2022-07-21
Frequently asked questions
- What is Johana Diaz's NPI number?
- Johana Diaz's National Provider Identifier (NPI) is 1952628943, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johana Diaz's specialty?
- Johana Diaz is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Johana Diaz located?
- Johana Diaz's practice location on file with NPPES is 22 S Greene St, Baltimore, MD 21201-1544.
- What is Johana Diaz's phone number?
- The practice phone number listed in the NPPES registry for Johana Diaz is (410) 328-6749.
- Does Johana Diaz accept Medicare?
- Johana Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Johana Diaz's NPI active?
- Yes — Johana Diaz's NPI (1952628943) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.