1. Home
  2. Directory
  3. California
  4. Fontana
  5. Hospitalist
  6. NPI Profile

DEENA PATEL D.O.
NPI 1437594959
Hospitalist in Fontana, CA

Active since May 10, 2013PECOS EnrolledAccepts Medicare Assignment
9961 SIERRA AVE OFC ROOM5406, FONTANA, CA 92335(909) 302-4505(909) 302-4506 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 29, 2021, Mar 2, 2018 (2 updates tracked since 2018).

About Deena Patel D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DEENA PATEL D.O. (NPI 1437594959) is an individual hospitalist provider in Fontana, California, licensed in California (14834) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Leandro, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1437594959
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameDEENA PATELCredential: D.O.
Location Address9961 SIERRA AVE OFC ROOM5406Fontana, CA 92335-6720
Mailing Address9961 Sierra Ave Ofc Room5406Fontana, CA 92335-6720 · (909) 302-4505 · Fax (909) 302-4506
Phone(909) 302-4505
Fax(909) 302-4506
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateMay 10, 2013
Last NPPES UpdateNovember 29, 20212 updates tracked since enumeration
✔ NPI 1437594959 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in CA · 14834
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
9961 SIERRA AVE OFC ROOM5406, Fontana, CA 92335
Open in Google Maps ↗

Secondary Practice Location 1

Location 12500 Merced StSan Leandro, CA 94577-4201 · Phone (510) 454-3000

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

Deena Patel 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.

PECOS PAC ID2860626074
PECOS Enrollment IDI20161201002393
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Deena Patel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
Same address
Health Maintenance Organization
9961 SIERRA AVE
Fontana, CA 92335
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1952333460 (California)
  • 5,228 clinicians in this Medicare group
NPI 1689606196 (909) 427-3910

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 92335 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Deena Patel's NPI number?

The NPI number for Deena Patel is 1437594959. It was assigned to this individual provider in the NPPES registry on May 10, 2013.

Where is Deena Patel located?

Deena Patel practices at 9961 Sierra Ave Ofc Room5406, Fontana, CA 92335. The listed phone number is (909) 302-4505.

What is Deena Patel's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Deena Patel enrolled in Medicare?

Yes. Deena Patel 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 Deena Patel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Deena Patel reassigns Medicare benefits to Southern California Permanente Medical Group (Fontana, CA). 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 Deena Patel'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 Deena Patel was last updated on November 29, 2021. 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.