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William Kranzer, OD
NPI 1013089507 · Optometrist · Largo, MD
William Kranzer, OD is a Optometrist provider in Largo, MD (NPI 1013089507).
Provider details
- NPI number
- 1013089507
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- TA1387 (MD)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(90/100 index)
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
1221 Mercantile Lane
Largo, MD 20774-5374
Phone: (301) 618-5578
Fax: (301) 618-5673
Street-level locationGet directions
Mailing address
2101 East Jefferson Street
Rockville, MD 20852-4908
Registry dates
- Enumerated
- 2006-11-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Kranzer's NPI number?
- William Kranzer's National Provider Identifier (NPI) is 1013089507, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Kranzer's specialty?
- William Kranzer is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is William Kranzer located?
- William Kranzer's practice location on file with NPPES is 1221 Mercantile Lane, Largo, MD 20774-5374.
- What is William Kranzer's phone number?
- The practice phone number listed in the NPPES registry for William Kranzer is (301) 618-5578.
- Is William Kranzer's NPI active?
- Yes — William Kranzer's NPI (1013089507) 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.