Bonnie J. Maffi, M.D.
Obstetrics & Gynecology Physician · Phoenix, AZ
Bonnie J. Maffi, M.D. is an obstetrics & gynecology physician with a practice address in Phoenix, Arizona, and NPI 1558346833, issued on Dec 9, 2005. Check the license (Arizona 28398, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Bonnie J. Maffi
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 28398 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 5779 E Mayo Blvd, Phoenix, AZ 85054
- Phone
- (480) 301-8000
- Enumerated
- Dec 9, 2005
- Record last updated
- Sep 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040810000695); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 803 in Arizona → Look up another NPI →
Also registered at 5779 E Mayo Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Adamczyk, MDOrthopaedic Surgery Physician1639898620
- Paul Andrews, M.D.Urology Physician1710962345
- Heidi Apsey, N.P.Nurse Practitioner1437344793
- Howard Asaki, P.A.-C.Physician Assistant1801878228
- Stacie Attig, AGPCNPNurse Practitioner1902315435
- Stephen Bansberg, M.D.Otolaryngology Physician1891770426
Verify Bonnie J. Maffi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 28398Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
233 Medicare Part D claims for 105 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol92 claims
- Yuvafem30 claims
- Estradiol (Twice Weekly)25 claims
- Clobetasol Propionate21 claims
- Progesterone13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mayo Clinic ArizonaScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bonnie J. Maffi among 803 obstetrics & gynecology physician records in Arizona
Bonnie J. Maffi, M.D. is one of 803 obstetrics & gynecology physician records with a practice address in Arizona. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1996 · median 2005 among the 477 with a school on file
- Record last updated2020 · 49% 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 Arizona 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 Arizona
There are 803 obstetrics & gynecology physician records in Arizona.
All 803 in Arizona → Every provider in Phoenix → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Megan Cheney, MDPhoenix, AZ 850541528295409
- Jeffrey Cornella, M.D.Phoenix, AZ 850541871578831
- Robert Fowler, M.D.Phoenix, AZ 850541033194196
- Tatiahna Rivera-Rodriguez, MDPhoenix, AZ 850541447991575
- Beatriz Stamps, MDPhoenix, AZ 850541619198405
- Megan Wasson, D.O.Phoenix, AZ 850541194045740
- Charles Clinch, DOPhoenix, AZ 850531912954975
- Richard Zacher, MDPhoenix, AZ 850531477502094
Common questions
What is Bonnie J. Maffi, M.D.'s NPI number?
Bonnie J. Maffi, M.D.'s National Provider Identifier (NPI) is 1558346833, issued on Dec 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Bonnie J. Maffi, M.D. located?
The NPPES record lists a practice address at 5779 E Mayo Blvd, Phoenix, AZ, 85054. Phone: (480) 301-8000. Providers update this record themselves, so call before visiting.
How can I verify Bonnie J. Maffi, M.D.'s license?
NPPES lists Arizona license number 28398, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Bonnie J. Maffi, M.D. prescribe under Medicare Part D?
In 2024, Bonnie J. Maffi, M.D. had 233 Medicare Part D claims for 105 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Bonnie J. Maffi, M.D.'s MIPS final score?
The 2023 MIPS final score is 78.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.