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DR. MICHAEL STACEY M.D.
NPI 1336120344
Family Medicine in Union City, CA

Active since November 07, 2005PECOS EnrolledAccepts Medicare Assignment
33255 9TH ST, UNION CITY, CA 94587(510) 471-5888 Get Directions Write a Review

NPPES record last updated: April 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Michael Stacey M.d. NPPES

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

DR. MICHAEL STACEY M.D. (NPI 1336120344) is an individual family medicine provider in Union City, California, licensed in California (A101385) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of Temple University School Of Medicine (2001).

NPPES Registry Identity

NPI1336120344
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MICHAEL STACEYCredential: M.D.
Location Address33255 9TH STUnion City, CA 94587-2137
Mailing Address1260 B St Ste 125Hayward, CA 94541-2934 · (510) 471-5880
Phone(510) 471-5888
Sole ProprietorNo
Medical School CMSTemple University School Of MedicineGraduated 2001
Enumeration DateNovember 7, 2005
Last NPPES UpdateApril 13, 2026
NPPES CertifiedApril 13, 2026
✔ NPI 1336120344 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 · A101385
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.
33255 9TH ST, Union City, CA 94587
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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. Michael Stacey 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.

PECOS PAC ID2860579927
PECOS Enrollment IDI20080414000488
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 94587 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
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 20

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

MONICA ZUNIGA M.A.
Counselor (Mental Health)
33255 9TH ST
UNION CITY, CA 94587
Alameda County (925) 336-6701
DR. DIANA MARIA MOKAYA M.D.
Family Medicine
33255 9TH ST
UNION CITY, CA 94587
Alameda County (510) 471-5880
DR. ROXANA ELENA STANCESCU-POPESCU MD
Pediatrics
33255 9TH ST
UNION CITY, CA 94587
Alameda County (510) 471-5880
ALFREDO ENRIQUE ALVARADO
Community Health Worker
33255 9TH ST
UNION CITY, CA 94587
Alameda County (510) 471-5880
MARY DICOU FNP-C
Nurse Practitioner (Family)
33255 9TH ST
UNION CITY, CA 94587
Alameda County (510) 471-5880
JOANNE MARCELO
Nurse Practitioner (Family)
33255 9TH ST
UNION CITY, CA 94587
Alameda County (510) 471-5880
MRS. MADHUMITA BANERJEE ASW
Social Worker (Clinical)
33255 9TH ST
UNION CITY, CA 94587
Alameda County (510) 471-5880
MS. MARTHA VIRGINIA CLINE NP
Nurse Practitioner
33255 9TH ST
UNION CITY, CA 94587
Alameda County (510) 471-5880

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 Michael Stacey's NPI number?

The NPI number for Michael Stacey is 1336120344. It was assigned to this individual provider in the NPPES registry on November 7, 2005.

Where is Michael Stacey located?

Michael Stacey practices at 33255 9th St, Union City, CA 94587. The listed phone number is (510) 471-5888.

What is Michael Stacey's specialty?

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

Is Michael Stacey enrolled in Medicare?

Yes. Michael Stacey 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 Michael Stacey was last updated on April 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.