John Millwater, M.D.
NPI 1912078064 · Ophthalmology Physician · Chevy Chase, MD
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Millwater, M.D. is a Ophthalmology Physician provider in Chevy Chase, MD (NPI 1912078064).
Provider details
- NPI number
- 1912078064
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD4291 (DC)
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
19 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
Mailing address
Registry dates
- Enumerated
- 2006-11-12
- Last updated
- 2018-02-22
Frequently asked questions
- What is John Millwater's NPI number?
- John Millwater's National Provider Identifier (NPI) is 1912078064, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Millwater's specialty?
- John Millwater is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is John Millwater located?
- John Millwater's practice location on file with NPPES is 5454 Wisconsin Ave Ste 950, Chevy Chase, MD 20815-6912.
- What is John Millwater's phone number?
- The practice phone number listed in the NPPES registry for John Millwater is (301) 657-5700.
- Does John Millwater accept Medicare?
- John Millwater is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Millwater's NPI active?
- Yes — John Millwater's NPI (1912078064) is active in the NPPES registry as of the last update on 2018-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.