Registry data as of Aug 27, 2026

Mara Baier, D.O.

Family Medicine Physician · Chandler, AZ

Mara Baier, D.O. is a family medicine physician with a practice address in Chandler, Arizona, and NPI 1407811797, issued on Apr 19, 2006. Check the license (Arizona 3346, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1407811797
Name
Mara Baier
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
3346 AZ
Self-reported in NPPES; status is on the state search
Practice location
655 S Dobson RD, Chandler, AZ 85224
Phone
(480) 855-0177
Enumerated
Apr 19, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 655 S Dobson RD

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

  1. Julie Adams, DOObstetrics & Gynecology Physician1285607333
  2. Brian Allmendinger, DDSPediatric Dentistry1043294424
  3. Miriam Arce, M.D.Internal Medicine Physician1417004433
  4. Patricia AultPhysical Therapist1124404157
  5. Sandra Bebak, MDFamily Medicine Physician1437113636
  6. Kelli Borgwardt, N.P.Adult Health Nurse Practitioner1376804005

Verify Mara Baier in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 3346
    Check 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
Open 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.

65% fewer Medicare Part D claims than the average family medicine physician in 2024

1,249 Medicare Part D claims for 392 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 59 claims were for opioids.

  1. Mara Baier1,249
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium50 claims
  2. Atorvastatin Calcium49 claims
  3. Rosuvastatin Calcium39 claims
  4. Trazodone Hcl34 claims
  5. Amlodipine Besylate32 claims
  6. Fluticasone Propionate26 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.

Industry payments in 2024: $17.35

1 payment, mostly food and beverage; the largest payer was Axonics, Inc.. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mara Baier$17.35
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Honorhealth Medical Group, LLCScottsdale, AZ

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

98 family medicine physician records list a Chandler practice address

They are 98 of the 5,497 NPPES records with a Chandler practice address, and 3,119 family medicine physician records in Arizona.

Other family medicine physician records in Arizona

  1. Muhammad Aamer, M.D.Yuma, AZ1437574720
  2. Ndidi Abara, M.D.Yuma, AZ1295115145
  3. Steven Abdelmalak, MDScottsdale, AZ1205092806
  4. Daniel Abelev, MDPhoenix, AZ1417573163
  5. Lindsey Abeyta, FNPTucson, AZ1043027857
  6. Modupeola Abiodun, M.D.Chandler, AZ1225326853
  7. Sara Abolmolouk, MDTucson, AZ1497043715
  8. Ahmed Abouzeid, MDGlendale, AZ1871619601
  9. Edward Abraham, M.D.Phoenix, AZ1144593211
  10. Rebecca Abraham, M.D.Surprise, AZ1437273323

Common questions

What is Mara Baier, D.O.'s NPI number?

Mara Baier, D.O.'s National Provider Identifier (NPI) is 1407811797, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mara Baier, D.O. located?

The NPPES record lists a practice address at 655 S Dobson RD, Chandler, AZ, 85224. Phone: (480) 855-0177. Providers update this record themselves, so call before visiting.

How can I verify Mara Baier, D.O.'s license?

NPPES lists Arizona license number 3346, 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 Mara Baier, D.O. prescribe under Medicare Part D?

In 2024, Mara Baier, D.O. had 1,249 Medicare Part D claims for 392 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.