HUMAYUN TUFAIL MD
NPI 1902947625
Hospitalist in Castro Valley, CA
About Humayun Tufail Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HUMAYUN TUFAIL MD (NPI 1902947625) is an individual hospitalist provider in Castro Valley, California, licensed in California (A103258) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Oklahoma City, and is a graduate of Other (1994).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 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
Humayun Tufail 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 Reassignments
6Medicare enrollment records show Humayun Tufail reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Belmont, CA 94002
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: County Of San Mateo
- Also billed through NPI 1831268580 (California)
- 597 clinicians in this Medicare group
Redwood City, CA 94062
- Reassigned Medicare billing, California enrollment
- 962 clinicians in this Medicare group
Redwood City, CA 94062
- Reassigned Medicare billing, California enrollment
- 182 clinicians in this Medicare group
Burlingame, CA 94010
- Reassigned Medicare billing, California enrollment
- 131 clinicians in this Medicare group
Simi Valley, CA 93065
- Reassigned Medicare billing, California enrollment
- 109 clinicians in this Medicare group
Colton, CA 92324
- Reassigned Medicare billing, California enrollment
- 338 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 4
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.
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 Humayun Tufail's NPI number?
The NPI number for Humayun Tufail is 1902947625. It was assigned to this individual provider in the NPPES registry on February 8, 2007.
Where is Humayun Tufail located?
Humayun Tufail practices at 20103 Lake Chabot Rd, Castro Valley, CA 94546. The listed phone number is (510) 727-3256.
What is Humayun Tufail's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Humayun Tufail enrolled in Medicare?
Yes. Humayun Tufail 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 Humayun Tufail's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Humayun Tufail reassigns Medicare benefits to 6 organizations: San Mateo County (Belmont, CA), Galen Inpatient Physicians Inc (Redwood City, CA), Vituity Hospitalists PC (Redwood City, CA), California Emergency Physicians Medical Group, A Professional Corp. (Burlingame, CA), Menalam Health Services PC (Simi Valley, CA) and 1 more organization, listed in the Medicare section above. 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 Humayun Tufail'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 Humayun Tufail was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Humayun Tufail, MD · NPI 1902947625
Hospitalist physician in Castro Valley, California. Individual provider, active in the CMS NPPES registry since February 8, 2007.
## Identity
- **NPI:** 1902947625 (Entity type: Individual)
- **Enumerated:** February 8, 2007
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A103258 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 20103 LAKE CHABOT RD, Castro Valley, CA 94546
- **Phone:** (510) 727-3256 · **Fax:** (510) 733-3107
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): San Mateo County (NPI 1013103381, Belmont, CA); Galen Inpatient Physicians Inc (NPI 1144264367, Redwood City, CA); Vituity Hospitalists PC (NPI 1174000533, Redwood City, CA); California Emergency Physicians Medical Group, A Professional Corp. (NPI 1457945909, Burlingame, CA); Menalam Health Services PC (NPI 1114594967, Simi Valley, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1994
## Record status
- **NPPES last updated:** March 7, 2023
- **Other identifiers:** Other A103258 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1902947625) · Data from the CMS NPPES public registry.