STACY MARIE PAAR MD
NPI 1871086017
Obstetrics & Gynecology in Oakland, CA

Active since June 12, 2018PECOS EnrolledAccepts Medicare Assignment
3451 E 12TH ST, OAKLAND, CA 94601(510) 535-3317 Get Directions Write a Review

NPPES record last updated: August 21, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 21, 2024, Mar 1, 2023, Jun 12, 2018 (3 updates tracked since 2018).

About Stacy Marie Paar Md NPPES

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

STACY MARIE PAAR MD (NPI 1871086017) is an individual obstetrics & gynecology provider in Oakland, California, licensed in Illinois (036-161677) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1871086017
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameSTACY MARIE PAARCredential: MD
Location Address3451 E 12TH STOakland, CA 94601-3463
Mailing Address2130 Post StSan Francisco, CA 94115-3559 · (608) 320-3669
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateJune 12, 2018
Last NPPES UpdateAugust 21, 20243 updates tracked since enumeration
NPPES CertifiedAugust 21, 2024
✔ NPI 1871086017 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in IL · 036-161677✔ Licensed in IL · 125072477
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
3451 E 12TH ST, Oakland, CA 94601

Secondary Practice Locations 2

Location 1415 N 9th StSpringfield, IL 62702-5303 · Phone (217) 545-8000
Location 25159 S Ashland AveChicago, IL 60609-4931 · Phone (773) 434-9216 · Fax (773) 434-2670

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

Stacy Marie Paar Md 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 ID9638426463
PECOS Enrollment IDI20221004003932, I20240917003929
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 Reassignments

2

Medicare enrollment records show Stacy Paar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Federally Qualified Health Center (FQHC)
3451 E 12TH ST
Oakland, CA 94601
  • Reassigned Medicare billing, California enrollment
  • 187 clinicians in this Medicare group
Federally Qualified Health Center (FQHC)
245 W ROOSEVELT RD
West Chicago, IL 60185
  • Reassigned Medicare billing, Illinois enrollment
  • 413 clinicians in this Medicare group

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 94601 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
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
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.

Family Medicine
3451 E 12TH ST
OAKLAND, CA 94601
Social Worker (Clinical)
3451 E 12TH ST
OAKLAND, CA 94601
Registered Nurse (Community Health)
3451 E 12TH ST
OAKLAND, CA 94601
Family Medicine
3451 E 12TH ST
OAKLAND, CA 94601
Nurse Practitioner
3451 E 12TH ST
OAKLAND, CA 94601
Nurse Practitioner (Family)
3451 E 12TH ST
OAKLAND, CA 94601
Nurse Practitioner (Family)
3451 E 12TH ST
OAKLAND, CA 94601
Nurse Practitioner (Family)
3451 E 12TH ST
OAKLAND, CA 94601

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 Stacy Paar's NPI number?

The NPI number for Stacy Paar is 1871086017. It was assigned to this individual provider in the NPPES registry on June 12, 2018.

Where is Stacy Paar located?

Stacy Paar practices at 3451 E 12th St, Oakland, CA 94601. The listed phone number is (510) 535-3317.

What is Stacy Paar's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Stacy Paar enrolled in Medicare?

Yes. Stacy Paar 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 organizations bill Medicare for Stacy Paar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stacy Paar reassigns Medicare benefits to 2 organizations: La Clinica De La Raza Inc (Oakland, CA) and Access Community Health Network (West Chicago, IL). Each 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 Stacy Paar'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 Stacy Paar was last updated on August 21, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.