DR. NILOUFER SIDDIQUI DENNIS M.D.
NPI 1124217690
Obstetrics & Gynecology in El Cajon, CA
About Dr. Niloufer Siddiqui Dennis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NILOUFER SIDDIQUI DENNIS M.D. (NPI 1124217690) is an individual obstetrics & gynecology provider in El Cajon, California, licensed in California (A101524) and active in the NPI registry since October 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
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. Niloufer Siddiqui Dennis 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
2Medicare enrollment records show Niloufer Dennis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
El Cajon, CA 92020
- Reassigned Medicare billing, California enrollment
Los Angeles, CA 90004
- Reassigned Medicare billing, California enrollment
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 92020 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EL CAJON, CA 92020
EL CAJON, CA 92020
EL CAJON, CA 92020
EL CAJON, CA 92020
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 Niloufer Dennis's NPI number?
The NPI number for Niloufer Dennis is 1124217690. It was assigned to this individual provider in the NPPES registry on October 19, 2007.
Where is Niloufer Dennis located?
Niloufer Dennis practices at 330 S Magnolia Ave Suite 301, El Cajon, CA 92020. The listed phone number is (800) 395-9431.
What is Niloufer Dennis's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Niloufer Dennis enrolled in Medicare?
Yes. Niloufer Dennis 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 Niloufer Dennis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Niloufer Dennis reassigns Medicare benefits to 2 organizations: Ns Dennis M D Medical Corporation (El Cajon, CA) and Pure Health Center (Los Angeles, 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 Niloufer Dennis'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 Niloufer Dennis was last updated on February 9, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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. Niloufer Siddiqui Dennis, M.D. · NPI 1124217690
Obstetrics & Gynecology physician in El Cajon, California. Individual provider, active in the CMS NPPES registry since October 19, 2007.
## Identity
- **NPI:** 1124217690 (Entity type: Individual)
- **Enumerated:** October 19, 2007
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** A101524 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 330 S MAGNOLIA AVE, SUITE 301, El Cajon, CA 92020-5290
- **Phone:** (800) 395-9431 · **Fax:** (888) 502-8290
## 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): Ns Dennis M D Medical Corporation (NPI 1841761269, El Cajon, CA); Pure Health Center (NPI 1962396416, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** February 9, 2017
---
Source: [NPI Profile](https://npiprofile.com/npi/1124217690) · Data from the CMS NPPES public registry.