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BELIS M ALADAG MD, MPH, FASAM
NPI 1295994275
Family Medicine - Addiction Medicine in Walnut Creek, CA

Active since June 05, 2008PECOS Enrolled
2960 CAMINO DIABLO STE 105, WALNUT CREEK, CA 94597(800) 892-2695(415) 458-2691 Get Directions Write a Review

NPPES record last updated: November 16, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 16, 2022, Dec 6, 2021 (2 updates tracked since 2021).

About Belis M Aladag Md, Mph, Fasam NPPES

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

BELIS M ALADAG MD, MPH, FASAM (NPI 1295994275) is an individual addiction medicine provider in Walnut Creek, California, licensed in California (A117586) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Sacramento, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1295994275
Entity TypeIndividualFemale
Primary Taxonomy207QA0401X
Provider Legal NameBELIS M ALADAGCredential: MD, MPH, FASAM
Location Address2960 CAMINO DIABLO STE 105Walnut Creek, CA 94597-3945
Mailing Address2960 Camino Diablo Ste 105Walnut Creek, CA 94597-3945 · (800) 892-2695 · Fax (415) 458-2691
Phone(800) 892-2695
Fax(415) 458-2691
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateJune 5, 2008
Last NPPES UpdateNovember 16, 20222 updates tracked since enumeration
NPPES CertifiedNovember 16, 2022
✔ NPI 1295994275 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QA0401X
Licenses✔ Licensed in CA · A117586✔ Licensed in MO · 2022018764✔ Licensed in TN · 64451
Definition
A family medicine physician who specializes in the diagnosis and treatment of addictions.
Also ListedPreventive Medicine · Addiction MedicineTaxonomy 2083A0300X · License 64451 (TN)
2960 CAMINO DIABLO STE 105, Walnut Creek, CA 94597
Open in Google Maps ↗

Secondary Practice Location 1

Location 12829 Watt Ave Ste 150Sacramento, CA 95821-6245 · Phone (916) 979-3523

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Belis M Aladag Md, Mph, Fasam is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3173785193
PECOS Enrollment IDI20220608001282
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 Belis Aladag reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
22 mi
Internal Medicine
7373 WEST LANE
Stockton, CA 95210
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1548343510 (209) 476-2000

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 94597 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 13

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

MARY PHILOMENA KASTNER PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
2960 CAMINO DIABLO STE 105
WALNUT CREEK, CA 94597
Contra Costa County (800) 892-2695
JESSICA NICOLE BAILEY-PIERRE LCSW
Social Worker (Clinical)
2960 CAMINO DIABLO STE 105
WALNUT CREEK, CA 94597
Contra Costa County (800) 892-2695
DR. TRACY P JACKSON MD
Anesthesiology (Pain Medicine)
2960 CAMINO DIABLO STE 105
WALNUT CREEK, CA 94597
Contra Costa County (800) 892-2695
KATHERINE BRADFORD MYERS LCSW
Social Worker (Clinical)
2960 CAMINO DIABLO STE 105
WALNUT CREEK, CA 94597
Contra Costa County (800) 892-2695
BRIGHT HEART HEALTH MEDICAL GROUP A MEDICAL CORPORATION
Specialist
2960 CAMINO DIABLO STE 105
WALNUT CREEK, CA 94597
Contra Costa County (800) 892-2695
PATRICIA L. REHFIELD DO
Preventive Medicine (Public Health & General Preventive Medicine)
2960 CAMINO DIABLO STE 105
WALNUT CREEK, CA 94597
Contra Costa County (800) 892-2695
KATRINA CAROL GROVES-REHWALDT MD
Family Medicine (Addiction Medicine)
2960 CAMINO DIABLO STE 105
WALNUT CREEK, CA 94597
Contra Costa County (800) 892-2695
ASHLEY BROOKE SCORNAIENCHI CADC II
Counselor (Addiction (Substance Use Disorder))
2960 CAMINO DIABLO STE 105
WALNUT CREEK, CA 94597
Contra Costa County (800) 892-2695

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 Belis Aladag's NPI number?

The NPI number for Belis Aladag is 1295994275. It was assigned to this individual provider in the NPPES registry on June 5, 2008.

Where is Belis Aladag located?

Belis Aladag practices at 2960 Camino Diablo Ste 105, Walnut Creek, CA 94597. The listed phone number is (800) 892-2695.

What is Belis Aladag's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Addiction Medicine, with taxonomy code 207QA0401X.

Is Belis Aladag enrolled in Medicare?

Yes. Belis Aladag is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Belis Aladag's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Belis Aladag reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, 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 Belis Aladag'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 Belis Aladag was last updated on November 16, 2022. 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.