DR. NADIA E HADDAD MD
NPI 1538451877
Psychiatry & Neurology - Psychiatry in Palo Alto, CA
About Dr. Nadia E Haddad Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NADIA E HADDAD MD (NPI 1538451877) is an individual psychiatry provider in Palo Alto, California, licensed in Colorado (DR.0062185) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS and is a graduate of University Of Colorado School Of Medicine, Denver (2011).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Nadia E Haddad Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Nadia Haddad reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boulder, CO 80302
- Reassigned Medicare billing, Colorado enrollment
- 283 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94304 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PALO ALTO, CA 94304
PALO ALTO, CA 94304
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Nadia Haddad's NPI number?
The NPI number for Nadia Haddad is 1538451877. It was assigned to this individual provider in the NPPES registry on May 4, 2011.
Where is Nadia Haddad located?
Nadia Haddad practices at 401 Quarry Rd, Palo Alto, CA 94304. The listed phone number is (650) 723-4000.
What is Nadia Haddad's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Nadia Haddad enrolled in Medicare?
Yes. Nadia Haddad is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Nadia Haddad's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nadia Haddad reassigns Medicare benefits to Boulder Community Health (Boulder, CO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nadia Haddad's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nadia Haddad accept?
Health plans from Select Health list Nadia Haddad as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Nadia Haddad was last updated on March 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Nadia E Haddad, MD · NPI 1538451877
Psychiatry physician in Palo Alto, California. Individual provider, active in the CMS NPPES registry since May 4, 2011.
## Identity
- **NPI:** 1538451877 (Entity type: Individual)
- **Enumerated:** May 4, 2011
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** DR.0062185 (Colorado)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 401 QUARRY RD, Palo Alto, CA 94304-1419
- **Phone:** (650) 723-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Boulder Community Health (NPI 1588319263, Boulder, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Colorado School Of Medicine, Denver, class of 2011
## Record status
- **NPPES last updated:** March 20, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1538451877) · Data from the CMS NPPES public registry.