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Nathan Congdon, M.D.
NPI 1871549311 · Ophthalmology Physician · Baltimore, MD
Nathan Congdon, M.D. is a Ophthalmology Physician provider in Baltimore, MD (NPI 1871549311).
Provider details
- NPI number
- 1871549311
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- D53447 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
4940 Eastern Ave
Baltimore, MD 21224-2735
Phone: (410) 550-2360
Street-level locationGet directions
Mailing address
Po Box 64481
Baltimore, MD 21264-4481
Registry dates
- Enumerated
- 2006-05-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Nathan Congdon's NPI number?
- Nathan Congdon's National Provider Identifier (NPI) is 1871549311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Congdon's specialty?
- Nathan Congdon is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Congdon located?
- Nathan Congdon's practice location on file with NPPES is 4940 Eastern Ave, Baltimore, MD 21224-2735.
- What is Nathan Congdon's phone number?
- The practice phone number listed in the NPPES registry for Nathan Congdon is (410) 550-2360.
- Is Nathan Congdon's NPI active?
- Yes — Nathan Congdon's NPI (1871549311) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.