William Ratnoff, M.D.
NPI 1497744783 · Rheumatology Physician · Houston, TX
William Ratnoff, M.D. is a Rheumatology Physician provider in Houston, TX (NPI 1497744783).
Provider details
- NPI number
- 1497744783
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MED-PHYS-LIC-26259 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
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
Mailing address
Registry dates
- Enumerated
- 2005-10-19
- Last updated
- 2017-09-19
Frequently asked questions
- What is William Ratnoff's NPI number?
- William Ratnoff's National Provider Identifier (NPI) is 1497744783, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ratnoff's specialty?
- William Ratnoff is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is William Ratnoff located?
- William Ratnoff's practice location on file with NPPES is 912 Detering St, Houston, TX 77007-5157.
- What is William Ratnoff's phone number?
- The practice phone number listed in the NPPES registry for William Ratnoff is (806) 787-2982.
- Is William Ratnoff's NPI active?
- Yes — William Ratnoff's NPI (1497744783) is active in the NPPES registry as of the last update on 2017-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.