SMITA DINESH MANDAL M.D.
NPI 1285876854
Internal Medicine in Simi Valley, CA
About Smita Dinesh Mandal M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SMITA DINESH MANDAL M.D. (NPI 1285876854) is an individual internal medicine provider in Simi Valley, California, licensed in California (A114250) and active in the NPI registry since March 2009. She is enrolled in Medicare PECOS, maintains a secondary practice location in Mission Hills, and is a graduate of Other (2003).
NPPES Registry Identity
Specialties & Licenses
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
Smita Dinesh Mandal M.d. 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
5Medicare enrollment records show Smita Mandal reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Simi Valley, CA 93065
- Reassigned Medicare billing, California enrollment
- 710 clinicians in this Medicare group
Simi Valley, CA 93065
- Reassigned Medicare billing, California enrollment
- 21 clinicians in this Medicare group
Simi Valley, CA 93065
- Reassigned Medicare billing, California enrollment
- 19 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 914 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 2
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 93065 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 7
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.
SIMI VALLEY, CA 93065
SIMI VALLEY, CA 93065
SIMI VALLEY, CA 93065
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 Smita Mandal's NPI number?
The NPI number for Smita Mandal is 1285876854. It was assigned to this individual provider in the NPPES registry on March 29, 2009.
Where is Smita Mandal located?
Smita Mandal practices at 1227 E Los Angeles Ave, Simi Valley, CA 93065. The listed phone number is (805) 582-4000.
What is Smita Mandal's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Smita Mandal enrolled in Medicare?
Yes. Smita Mandal 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 Smita Mandal's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Smita Mandal reassigns Medicare benefits to 5 organizations: County Of Ventura (Simi Valley, CA), Allure Medical Group A Professional Corporation (Simi Valley, CA), Jonathan Nasseri MD Corp (Simi Valley, CA), Inpatient Specialists Of California, PC (San Bernardino, CA) and Hospitalist Medicine Physicians Of California, Inc (Apple Valley, 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 Smita Mandal'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 Smita Mandal was last updated on September 6, 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.
# Smita Dinesh Mandal, M.D. · NPI 1285876854
Internal Medicine physician in Simi Valley, California. Individual provider, active in the CMS NPPES registry since March 29, 2009.
## Identity
- **NPI:** 1285876854 (Entity type: Individual)
- **Enumerated:** March 29, 2009
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A114250 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1227 E LOS ANGELES AVE, Simi Valley, CA 93065-2871
- **Phone:** (805) 582-4000
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): County Of Ventura (NPI 1396864351, Simi Valley, CA); Allure Medical Group A Professional Corporation (NPI 1154865640, Simi Valley, CA); Jonathan Nasseri MD Corp (NPI 1194063529, Simi Valley, CA); Inpatient Specialists Of California, PC (NPI 1952792475, San Bernardino, CA); Hospitalist Medicine Physicians Of California, Inc (NPI 1184663965, Apple Valley, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** September 6, 2023
- **Other identifiers:** Medicaid 00A114250 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1285876854) · Data from the CMS NPPES public registry.