Joseph Nadler, MD
NPI 1558867002 · Internal Medicine Physician · Palo Alto, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Nadler, MD is a Internal Medicine Physician provider in Palo Alto, CA (NPI 1558867002).
Provider details
- NPI number
- 1558867002
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME142411 (FL)
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
8 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
- 2018-04-03
- Last updated
- 2025-11-18
- Certified
- 2025-11-18
Frequently asked questions
- What is Joseph Nadler's NPI number?
- Joseph Nadler's National Provider Identifier (NPI) is 1558867002, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Nadler's specialty?
- Joseph Nadler is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Nadler located?
- Joseph Nadler's practice location on file with NPPES is 3801 Miranda Ave, Palo Alto, CA 94304-1207.
- What is Joseph Nadler's phone number?
- The practice phone number listed in the NPPES registry for Joseph Nadler is (650) 493-5000.
- Does Joseph Nadler accept Medicare?
- Joseph Nadler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Nadler's NPI active?
- Yes — Joseph Nadler's NPI (1558867002) is active in the NPPES registry as of the last update on 2025-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.