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DR. SHEILA MARIE ADAYA ADAN D.O.
NPI 1912272733
Family Medicine in Ontario, CA

Active since March 12, 2012PECOS EnrolledAccepts Medicare Assignment
2295 S VINEYARD AVE, ONTARIO, CA 91761(909) 724-5000(909) 724-2526 Get Directions Write a Review

NPPES record last updated: December 23, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 23, 2021, Nov 9, 2016 (2 updates tracked since 2016).

About Dr. Sheila Marie Adaya Adan D.o. NPPES

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

DR. SHEILA MARIE ADAYA ADAN D.O. (NPI 1912272733) is an individual family medicine provider in Ontario, California, licensed in California (20A12266) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS and is a graduate of College Of Osteo Med Of The Pacific At Pomona (2010).

NPPES Registry Identity

NPI1912272733
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. SHEILA MARIE ADAYA ADANCredential: D.O.
Location Address2295 S VINEYARD AVEOntario, CA 91761-7925
Mailing Address2295 S Vineyard AveOntario, CA 91761-7925 · (909) 724-5000 · Fax (909) 724-2526
Phone(909) 724-5000
Fax(909) 724-2526
Sole ProprietorNo
Medical School CMSCollege Of Osteo Med Of The Pacific At PomonaGraduated 2010
Enumeration DateMarch 12, 2012
Last NPPES UpdateDecember 23, 20212 updates tracked since enumeration
NPPES CertifiedDecember 23, 2021
✔ NPI 1912272733 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · 20A12266
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
2295 S VINEYARD AVE, Ontario, CA 91761
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Other Names 1

Other Name (5)Sheila Adan

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Sheila Marie Adaya Adan 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 ID9234374547
PECOS Enrollment IDI20130314000110
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91761 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
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.

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.

DR. BENJAMIN MAURICE KERSHBERG M.D.
Pediatrics
2295 S VINEYARD AVE, MOB A
ONTARIO, CA 91761
San Bernardino County (909) 724-2554
MS. CHRISTINE RAMOS PHARM.D.
Pharmacist
2295 S VINEYARD AVE
ONTARIO, CA 91761
San Bernardino County (909) 724-7640
DORIS WU
Pharmacist
2295 S VINEYARD AVE
ONTARIO, CA 91761
San Bernardino County (909) 724-3120
LINA SALEHIAN
Pharmacist
2295 S VINEYARD AVE
ONTARIO, CA 91761
San Bernardino County (909) 724-2126
JENNIFER RHEE
Pharmacist
2295 S VINEYARD AVE
ONTARIO, CA 91761
San Bernardino County (909) 724-3500
MANUEL JOSE SALAS PHARM.D.
Pharmacist
2295 S VINEYARD AVE
ONTARIO, CA 91761
San Bernardino County (909) 724-7640
THUONG VU FNP
Nurse Practitioner (Family)
2295 S VINEYARD AVE
ONTARIO, CA 91761
San Bernardino County (833) 574-2273
LIAN LIU MPH, RD, CDE
Dietitian, Registered
2295 S VINEYARD AVE
ONTARIO, CA 91761
San Bernardino County (909) 724-5000

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 Sheila Marie Adan's NPI number?

The NPI number for Sheila Marie Adan is 1912272733. It was assigned to this individual provider in the NPPES registry on March 12, 2012. The provider is also known as Sheila Adan.

Where is Sheila Marie Adan located?

Sheila Marie Adan practices at 2295 S Vineyard Ave, Ontario, CA 91761. The listed phone number is (909) 724-5000.

What is Sheila Marie Adan's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Sheila Marie Adan enrolled in Medicare?

Yes. Sheila Marie Adan 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.

When was this NPI record last updated?

The NPPES record for Sheila Marie Adan was last updated on December 23, 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.