Siddharth Nath, MD, PHD
NPI 1538964051 · Ophthalmology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siddharth Nath, MD, PHD is a Ophthalmology Physician provider in Baltimore, MD (NPI 1538964051).
Provider details
- NPI number
- 1538964051
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- D0104768 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- 1800 Orleans StBaltimore, MD 21287-0010Phone: (410) 502-2037Fax: (410) 955-0737
- 6420 Rockledge DrBethesda, MD 20817-7837Phone: (301) 896-6700Fax: (301) 896-6850
Registry dates
- Enumerated
- 2025-02-18
- Last updated
- 2025-09-24
- Certified
- 2025-09-24
Frequently asked questions
- What is Siddharth Nath's NPI number?
- Siddharth Nath's National Provider Identifier (NPI) is 1538964051, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siddharth Nath's specialty?
- Siddharth Nath is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Siddharth Nath located?
- Siddharth Nath's practice location on file with NPPES is Johns Hopkins Hospital, Wilmer Eye Institute, Baltimore, MD 21287.
- What is Siddharth Nath's phone number?
- The practice phone number listed in the NPPES registry for Siddharth Nath is (410) 955-5494.
- Does Siddharth Nath accept Medicare?
- Siddharth Nath is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siddharth Nath's NPI active?
- Yes — Siddharth Nath's NPI (1538964051) is active in the NPPES registry as of the last update on 2025-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.