NPPES file of Aug 9, 2026

Michelle Baas, CNM

Advanced Practice Midwife · Tucson, AZ

Michelle Baas, CNM is an advanced practice midwife with a practice address in Tucson, Arizona, and NPI 1164155487, issued on Jul 5, 2022. Check the license with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164155487
Name
Michelle Baas
Credential
CNM
Primary taxonomy
Advanced Practice Midwife 367A00000X
Practice location
839 W Congress St, Tucson, AZ 85745
Phone
(520) 670-3909
Enumerated
Jul 5, 2022
Record last updated
Apr 10, 2025
Fax
(520) 309-2560
Medicare enrollment
Enrolled (PECOS I20221116000914); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest advanced practice midwife records → All 306 in Arizona → Look up another NPI →

Also registered at 839 W Congress St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Denise Ahearn, MDPediatrics Physician1194719047
  2. Melinda Arias, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1720688369
  3. Andrew Arthur, MDPediatrics Physician1962484048
  4. Vienna Aslanian, LCSWClinical Social Worker1437743523
  5. James Austin, CNMAdvanced Practice Midwife1205398682
  6. Iulia Badea, DMDPublic Health Dentistry1811476757

Verify Michelle Baas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. EL Rio Santa Cruz Neighborhood Health Center, Inc.Tucson, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michelle Baas among 306 advanced practice midwife records in Arizona

Michelle Baas, CNM is one of 306 advanced practice midwife records with a practice address in Arizona. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 79% of them.

  • NPI issued2022 · 79% of these records are older, 16% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileYes · 41% of these records are
  • Graduated2022 · median 2017 among the 125 with a school on file
  • Record last updated2025 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367A00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Advanced Practice Midwife providers in Arizona

There are 306 advanced practice midwife records in Arizona.

All 306 in Arizona → Every provider in Tucson → Advanced Practice Midwife nationwide →

The 8 advanced practice midwife records with the nearest ZIP codes

  1. James Austin, CNMTucson, AZ 857451205398682
  2. Greta Gill, CNMTucson, AZ 857451508920323
  3. Kerry Griffin, CNMTucson, AZ 857451063648186
  4. Lodz Joseph-Lemon, CNMTucson, AZ 857451467852913
  5. Jodi Kaszubski Heli, CNMTucson, AZ 857451508160003
  6. Barbara Kremer, CNMTucson, AZ 857451699867358
  7. Phoebe Lithgow, CNM, WHNP-BCTucson, AZ 857451255862066
  8. Shelley McGrew, CNMTucson, AZ 857451902218258

Common questions

What is Michelle Baas, CNM's NPI number?

Michelle Baas, CNM's National Provider Identifier (NPI) is 1164155487, issued on Jul 5, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Michelle Baas, CNM located?

The NPPES record lists a practice address at 839 W Congress St, Tucson, AZ, 85745. Phone: (520) 670-3909. Providers update this record themselves, so call before visiting.

How can I verify Michelle Baas, CNM's license?

Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.