1. Home
  2. Directory
  3. California
  4. San Francisco
  5. Nurse Practitioner
  6. NPI Profile

MARA BAILEY-OLSON NP
NPI 1104100692
Nurse Practitioner in San Francisco, CA

Active since October 03, 2011PECOS EnrolledAccepts Medicare Assignment
550 16TH ST, 4TH FLOOR, MAILSTOP 0434, SAN FRANCISCO, CA 94143(415) 476-2188 Get Directions Write a Review

NPPES record last updated: March 23, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mara Bailey-olson Np NPPES

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

MARA BAILEY-OLSON NP (NPI 1104100692) is an individual nurse practitioner in San Francisco, California, licensed in California (19161) and active in the NPI registry since October 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2009).

NPPES Registry Identity

NPI1104100692
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMARA BAILEY-OLSONCredential: NP
Location Address550 16TH ST, 4TH FLOOR, MAILSTOP 0434San Francisco, CA 94143
Mailing Address550 16th St, 4th Floor, Mailstop 0434San Francisco, CA 94143 · (415) 476-2188
Phone(415) 476-2188
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateOctober 3, 2011
Last NPPES UpdateMarch 23, 2016
✔ NPI 1104100692 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 19161
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
550 16TH ST, San Francisco, CA 94143
Open in Google Maps ↗

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

Mara Bailey-olson Np 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 ID3274818992
PECOS Enrollment IDI20170321000805
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 94143 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.

DR. SHUNJI SANO MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
550 16TH ST, FLR 5
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-3535
MAYTAL FIRNBERG
Pediatrics (Pediatric Emergency Medicine)
550 16TH ST
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-1238
TIFFANY LYNNE BITTLE NNP-BC
Nurse Practitioner (Neonatal)
550 16TH ST
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-1565
MICHELLE RYBKA
Pediatrics
550 16TH ST, 4TH FLOOR, 4551, BOX 0110
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-6245
ALEXANDRA YASEMIN GOKSENIN MD/PHD
Pediatrics
550 16TH ST, 4TH FLOOR, 4551, BOX 0110
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-6245
KYREE SKY
Pediatrics (Pediatric Critical Care Medicine)
550 16TH ST
SAN FRANCISCO, CA 94143
San Francisco County (678) 643-1557
DR. MARTIN THELIN MD, PHD
Pediatrics (Pediatric Endocrinology)
550 16TH ST, BOX 0110
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-5001
MR. GABRIEL PAUL DEVLIN M.D.
Pediatrics
550 16TH ST
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-5001

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 Mara Bailey-olson's NPI number?

The NPI number for Mara Bailey-olson is 1104100692. It was assigned to this individual provider in the NPPES registry on October 3, 2011.

Where is Mara Bailey-olson located?

Mara Bailey-olson practices at 550 16th St 4th Floor, Mailstop 0434, San Francisco, CA 94143. The listed phone number is (415) 476-2188.

What is Mara Bailey-olson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Mara Bailey-olson enrolled in Medicare?

Yes. Mara Bailey-olson 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 Mara Bailey-olson was last updated on March 23, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.