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DR. MARY A JANOWIAK MD
NPI 1669506531
Obstetrics & Gynecology in Boise, ID

Active since March 15, 2007PECOS EnrolledAccepts Medicare Assignment
1072 N LIBERTY ST, SUITE 100, BOISE, ID 83704(208) 302-1200(208) 302-1255 Get Directions Write a Review

NPPES record last updated: October 11, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 11, 2022, Nov 15, 2016 (2 updates tracked since 2016).

About Dr. Mary A Janowiak Md NPPES

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

DR. MARY A JANOWIAK MD (NPI 1669506531) is an individual obstetrics & gynecology provider in Boise, Idaho, licensed in Idaho (M9988) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS, is affiliated with St Luke's Regional Medical Center, and maintains a secondary practice location in Boise.

NPPES Registry Identity

NPI1669506531
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. MARY A JANOWIAKCredential: MD
Location Address1072 N LIBERTY ST, SUITE 100Boise, ID 83704-8708
Mailing Address190 E Bannock StBoise, ID 83712-6241
Phone(208) 302-1200
Fax(208) 302-1255
Sole ProprietorYes
Medical School CMSUniversity Of Utah School Of MedicineGraduated 2003
Enumeration DateMarch 15, 2007
Last NPPES UpdateOctober 11, 20222 updates tracked since enumeration
NPPES CertifiedOctober 11, 2022
✔ NPI 1669506531 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in ID · M9988
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.
1072 N LIBERTY ST, Boise, ID 83704
Open in Google Maps ↗

Secondary Practice Location 1

Location 1190 E Bannock StBoise, ID 83712-6241 · Phone (208) 381-2267

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., Providence Health Plan.Insurance ›

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. Mary A Janowiak 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 ID5698868917
PECOS Enrollment IDI20070831000647
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Luke's Regional Medical Center

Acute Care Hospitals · Boise, ID
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number130006
Location190 East Bannock StreetBoise, ID 83712 · Ada County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 83704 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
$121.27 typical visit price
range $52.44 – $160.17
Typical copayment $30.31 (range $13.11 – $40.04)
Most-billed visit code 99204
Established Patient
$65.77 typical visit price
range $16.68 – $130.93
Typical copayment $16.44 (range $4.17 – $32.73)
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.

BRUCE J ANDERSEN MD
Neurological Surgery
1072 N LIBERTY ST, SUITE 303
BOISE, ID 83704
Ada County (208) 367-4035
COLIN ALAN LYNESS MD
Psychiatry & Neurology (Neurology)
1072 N LIBERTY ST, STE 303
BOISE, ID 83704
Ada County (208) 302-4200
DR. JULIANA L DIGIOSIA MD
Obstetrics & Gynecology
1072 N LIBERTY ST, SUITE 100
BOISE, ID 83704
Ada County (208) 302-1200
SHANA L TUBACH MD
Pediatrics
1072 N LIBERTY ST, SUITE 203
BOISE, ID 83704
Ada County (208) 302-5800
DR. REBECCA L MCCAFFREY MD
Obstetrics & Gynecology
1072 N LIBERTY ST, SUITE 100
BOISE, ID 83704
Ada County (208) 302-1200
TREASURE VALLEY COLON & RECTAL CLINIC PLLC
Colon & Rectal Surgery
1072 N LIBERTY ST, SUITE 201
BOISE, ID 83704
Ada County (208) 377-2273
KARISSA DEANN KEENAN M.D.
Obstetrics & Gynecology
1072 N LIBERTY ST, STE 100
BOISE, ID 83704
Ada County (208) 302-1200
DR. JACKIE J WHITESELL MD
Psychiatry & Neurology (Neurology)
1072 N LIBERTY ST, SUITE 303
BOISE, ID 83704
Ada County (208) 367-2800

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 Mary Janowiak's NPI number?

The NPI number for Mary Janowiak is 1669506531. It was assigned to this individual provider in the NPPES registry on March 15, 2007.

Where is Mary Janowiak located?

Mary Janowiak practices at 1072 N Liberty St Suite 100, Boise, ID 83704. The listed phone number is (208) 302-1200.

What is Mary Janowiak's specialty?

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

Is Mary Janowiak enrolled in Medicare?

Yes. Mary Janowiak 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.

What insurance does Mary Janowiak accept?

Health plans from Moda Health Plan, Inc. and Providence Health Plan list Mary Janowiak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mary Janowiak affiliated with any hospitals?

According to CMS data, Mary Janowiak is affiliated with St Luke's Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Mary Janowiak was last updated on October 11, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.