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DR. DENISE MARIA HILLIARD M.D.
NPI 1053375188
Internal Medicine in Danville, CA

Active since April 14, 2006PECOS Enrolled
907 SAN RAMON VALLEY BLVD, SUITE 104, DANVILLE, CA 94526(925) 837-1044(925) 837-1055 Get Directions Write a Review

NPPES record last updated: June 21, 2012. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Denise Maria Hilliard M.d. NPPES

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

DR. DENISE MARIA HILLIARD M.D. (NPI 1053375188) is an individual internal medicine provider in Danville, California, licensed in California (A72959) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1053375188
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. DENISE MARIA HILLIARDCredential: M.D.
Location Address907 SAN RAMON VALLEY BLVD, SUITE 104Danville, CA 94526-4036
Mailing AddressDept 34929, P.o. Box 39000San Francisco, CA 94139-0001 · (925) 952-2828 · Fax (925) 952-2850
Phone(925) 837-1044
Fax(925) 837-1055
Sole ProprietorNo
Enumeration DateApril 14, 2006
Last NPPES UpdateJune 21, 2012
✔ NPI 1053375188 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A72959
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
907 SAN RAMON VALLEY BLVD, Danville, CA 94526
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Other Identifiers 5

Medicare UPINH21463CA
OtherP00999676CA · Railroad Medicare
Medicaid00A729590CA
Medicare PINEE366ZCA
Medicare ID-Type Unspecified00A729590CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Denise Maria Hilliard M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Denise Hilliard reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

John Muir Physician Network
8.8 mi
General Practice
1450 TREAT BLVD, SUITE 300
Walnut Creek, CA 94597
  • Reassigned Medicare billing, California enrollment
  • 650 clinicians in this Medicare group
NPI 1841407665 (925) 296-9872

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 94526 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SHOBANA SAMPATH VANKIPURAM MD
Family Medicine
907 SAN RAMON VALLEY BLVD, STE 104
DANVILLE, CA 94526
Contra Costa County (925) 837-1044
DR. UMA SUBRAMANIAM DESAI M.D.
Family Medicine
907 SAN RAMON VALLEY BLVD, SUITE 104
DANVILLE, CA 94526
Contra Costa County (925) 837-1044
MS. SHOHREH DOUSTANI L.AC.
Acupuncturist
907 SAN RAMON VALLEY BLVD, SUITE 104
DANVILLE, CA 94526
Contra Costa County (925) 837-8123
LAUREN WAITROVICH MFT
Marriage & Family Therapist
907 SAN RAMON VALLEY BLVD
DANVILLE, CA 94526
Contra Costa County (925) 420-0968
NEW DANVILLE MEDICAL GROUP, INC
Physician Assistant
907 SAN RAMON VALLEY BLVD, SUITE #202
DANVILLE, CA 94526
Contra Costa County (925) 837-4202
LEE BRETT EISAN MD
Internal Medicine
907 SAN RAMON VALLEY BLVD, SUITE # 102
DANVILLE, CA 94526
Contra Costa County (925) 837-7409
LEE BRETT EISAN M.D. INC
Internal Medicine
907 SAN RAMON VALLEY BLVD, #102
DANVILLE, CA 94526
Contra Costa County (925) 837-7409
MS. SIRINTORN R MANN PA-C
Physician Assistant
907 SAN RAMON VALLEY BLVD, STE 202
DANVILLE, CA 94526
Contra Costa County (925) 837-4202

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 Denise Hilliard's NPI number?

The NPI number for Denise Hilliard is 1053375188. It was assigned to this individual provider in the NPPES registry on April 14, 2006.

Where is Denise Hilliard located?

Denise Hilliard practices at 907 San Ramon Valley Blvd Suite 104, Danville, CA 94526. The listed phone number is (925) 837-1044.

What is Denise Hilliard's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Denise Hilliard enrolled in Medicare?

Yes. Denise Hilliard is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Denise Hilliard's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Denise Hilliard reassigns Medicare benefits to John Muir Physician Network (Walnut Creek, 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 Denise Hilliard'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 Denise Hilliard was last updated on June 21, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.