HASIB DANAI D.O
NPI 1396058418
Hospitalist in Castro Valley, CA
About Hasib Danai D.o NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HASIB DANAI D.O (NPI 1396058418) is an individual hospitalist provider in Castro Valley, California, licensed in California (20A10976) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, maintains a secondary practice location in Southampton, and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Hasib Danai D.o 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 Reassignments
2Medicare enrollment records show Hasib Danai reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
Modesto, CA 95350
- Reassigned Medicare billing, California enrollment
- 176 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94546 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 Hasib Danai's NPI number?
The NPI number for Hasib Danai is 1396058418. It was assigned to this individual provider in the NPPES registry on July 18, 2010.
Where is Hasib Danai located?
Hasib Danai practices at 20103 Lake Chabot Rd, Castro Valley, CA 94546. The listed phone number is (510) 727-3256.
What is Hasib Danai's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Hasib Danai enrolled in Medicare?
Yes. Hasib Danai 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 organizations bill Medicare for Hasib Danai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hasib Danai reassigns Medicare benefits to 2 organizations: Sutter Bay Medical Foundation (Orinda, CA) and Hospitalists Of Modesto Medical Group Inc (Modesto, CA). Each 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 Hasib Danai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Hasib Danai was last updated on January 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Hasib Danai, D.O · NPI 1396058418
Hospitalist physician in Castro Valley, California. Individual provider, active in the CMS NPPES registry since July 18, 2010.
## Identity
- **NPI:** 1396058418 (Entity type: Individual)
- **Enumerated:** July 18, 2010
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 20A10976 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 20103 LAKE CHABOT RD, Castro Valley, CA 94546-5305
- **Phone:** (510) 727-3256
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Sutter Bay Medical Foundation (NPI 1366898538, Orinda, CA); Hospitalists Of Modesto Medical Group Inc (NPI 1821190711, Modesto, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** January 24, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1396058418) · Data from the CMS NPPES public registry.