Siddharth Nath, MD, PHD
Ophthalmology Physician · Baltimore, MD
Siddharth Nath, MD, PHD is an ophthalmology physician with a practice address in Baltimore, Maryland, and NPI 1538964051, issued on Feb 18, 2025. Check the license (Maryland D0104768, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Siddharth Nath
- Credential
- MD, PHD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- D0104768 MD
Self-reported in NPPES; status is on the state search - Practice location
- Johns Hopkins Hospital, Wilmer Eye Institute, Baltimore, MD 21287
- Phone
- (410) 955-5494
- Enumerated
- Feb 18, 2025
- Record last updated
- Jul 4, 2026
- Fax
- (410) 614-9172
- Medicare enrollment
- Enrolled (PECOS I20251002005014); may accept Medicare assignment
- Medical or professional school
- Mcmaster Un, Michael Degroote School Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 588 in Maryland → Look up another NPI →
Verify Siddharth Nath in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0104768Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Johns Hopkins UniversityBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Siddharth Nath among 588 ophthalmology physician records in Maryland
Siddharth Nath, MD, PHD is one of 588 ophthalmology physician records with a practice address in Maryland. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than over 99% of them.
- NPI issued2025 · over 99% of these records are older, 0% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2020 · median 2002 among the 369 with a school on file
- Record last updated2026 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Maryland
There are 588 ophthalmology physician records in Maryland.
All 588 in Maryland → Every provider in Baltimore → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Esen Akpek, M.D.Baltimore, MD 212871851356943
- John Baer, M.D.Baltimore, MD 212871013984848
- Heather Bartlett Casparis, M.D.Baltimore, MD 212871629033147
- Neil Bressler, M.D.Baltimore, MD 212871790742245
- Peter Campochiaro, M.D.Baltimore, MD 212871598723850
- Marianne Cowley, MDBaltimore, MD 212871811964448
- Earl Craven, MDBaltimore, MD 212871457354821
- Morton Goldberg, M.D.Baltimore, MD 212871578516696
Common questions
What is Siddharth Nath, MD, PHD's NPI number?
Siddharth Nath, MD, PHD's National Provider Identifier (NPI) is 1538964051, issued on Feb 18, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Siddharth Nath, MD, PHD located?
The NPPES record lists a practice address at Johns Hopkins Hospital, Wilmer Eye Institute, Baltimore, MD, 21287. Phone: (410) 955-5494. Providers update this record themselves, so call before visiting.
How can I verify Siddharth Nath, MD, PHD's license?
NPPES lists Maryland license number D0104768, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.