Mary A. Janowiak, MD
Obstetrics & Gynecology Physician · Boise, ID
Mary A. Janowiak, MD is an obstetrics & gynecology physician with a practice address in Boise, Idaho, and NPI 1669506531, issued on Mar 15, 2007. Check the license (Idaho M9988, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Mary A. Janowiak
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- M9988 ID
Self-reported in NPPES; status is on the state search - Practice location
- 1072 N Liberty St, Boise, ID 83704
- Phone
- (208) 302-1200
- Enumerated
- Mar 15, 2007
- Record last updated
- Oct 11, 2022
- Fax
- (208) 302-1255
- Medicare enrollment
- Enrolled (PECOS I20070831000647); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 191 in Idaho → Look up another NPI →
Also registered at 1072 N Liberty St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lukas Clark, MDNeurology Physician1659519593
- Juliana Digiosia, MDObstetrics & Gynecology Physician1144335332
Verify Mary A. Janowiak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIdaho Board of Medicine
Search for license M9988Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $157.46
2 payments; by number, the most common kind was food and beverage; the largest payer was Becton, Dickinson and Company. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- St Lukes Clinic-Treasure Valley LLCBoise, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary A. Janowiak among 191 obstetrics & gynecology physician records in Idaho
Mary A. Janowiak, MD is one of 191 obstetrics & gynecology physician records with a practice address in Idaho. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 49% of them.
- NPI issued2007 · 49% of these records are older, 41% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2003 · median 2007 among the 128 with a school on file
- Record last updated2022 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Idaho
There are 191 obstetrics & gynecology physician records in Idaho.
All 191 in Idaho → Every provider in Boise → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Richard Biggs, D.O.Boise, ID 837041376611202
- Julia Bouchard, MDBoise, ID 837041861436081
- Michael Charme, MDBoise, ID 837041770510166
- Juliana Digiosia, MDBoise, ID 837041144335332
- Cynthia Hayes, MDBoise, ID 837041386697399
- Jon Kattenhorn, MDBoise, ID 837041881648251
- Christina Knutson, MDBoise, ID 837041649212119
- Darrell Ludders, MDBoise, ID 837041548214927
Common questions
What is Mary A. Janowiak, MD's NPI number?
Mary A. Janowiak, MD's National Provider Identifier (NPI) is 1669506531, issued on Mar 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary A. Janowiak, MD located?
The NPPES record lists a practice address at 1072 N Liberty St, Boise, ID, 83704. Phone: (208) 302-1200. Providers update this record themselves, so call before visiting.
How can I verify Mary A. Janowiak, MD's license?
NPPES lists Idaho license number M9988, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.