Nader Kamangar, MD
NPI 1922093285 · Critical Care Medicine (Internal Medicine) Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nader Kamangar, MD is a Critical Care Medicine (Internal Medicine) Physician provider in Walnut Creek, CA (NPI 1922093285).
Provider details
- NPI number
- 1922093285
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- A66078 (CA)
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 tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$395 across 15 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-13
- Last updated
- 2025-09-11
Frequently asked questions
- What is Nader Kamangar's NPI number?
- Nader Kamangar's National Provider Identifier (NPI) is 1922093285, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nader Kamangar's specialty?
- Nader Kamangar is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Nader Kamangar located?
- Nader Kamangar's practice location on file with NPPES is 1399 Ygnacio Valley Rd, Walnut Creek, CA 94598-2884.
- What is Nader Kamangar's phone number?
- The practice phone number listed in the NPPES registry for Nader Kamangar is (925) 939-3050.
- Does Nader Kamangar accept Medicare?
- Nader Kamangar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nader Kamangar's NPI active?
- Yes — Nader Kamangar's NPI (1922093285) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.