NPPES file of Aug 9, 2026

Janna Assar, M.D.

Family Medicine Physician · Phoenix, AZ

Janna Assar, M.D. is a family medicine physician with a practice address in Phoenix, Arizona, and NPI 1518221589, issued on Jun 25, 2012. Check the license (Arizona 51035, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518221589
Name
Janna Assar
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
51035 AZ
Self-reported in NPPES; status is on the state search
Practice location
4375 E Irma LN, Phoenix, AZ 85050
Phone
(602) 550-6489
Enumerated
Jun 25, 2012
Record last updated
Jun 21, 2022
Fax
(602) 697-2600
Medicare enrollment
Enrolled (PECOS I20160921002311); 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 family medicine physician records → All 3,119 in Arizona → Look up another NPI →

Also registered at 4375 E Irma LN

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

  1. Rtika Abraham, MDEndocrinology, Diabetes & Metabolism Physician1689803173
  2. Heather Arseneau, DOInternal Medicine Physician1982309548
  3. Brittany Brooks, DOFamily Medicine Physician1396494076
  4. Lauren Brown, DNP, FNP-CPrimary Care Nurse Practitioner1841961893
  5. Thadbring DowlingFamily Nurse Practitioner1942978663
  6. Jennifer Femiano, M.D.Pediatrics Physician1467440040

Verify Janna Assar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 51035    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.

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96% fewer Medicare Part D claims than the average family medicine physician in 2024

158 Medicare Part D claims for 21 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Janna Assar158
  2. Specialty average3,544

Most prescribed

  1. Losartan Potassium20 claims
  2. Rosuvastatin Calcium19 claims
  3. Amlodipine Besylate12 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: $16.51

1 payment: food and beverage; the largest payer was Ibsa Pharma 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. Janna Assar$16.51
  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.

Bills Medicare through one group practice

  1. Banner Concierge Services Arcadia LLCPhoenix, AZ

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

Janna Assar among 3,119 family medicine physician records in Arizona

Janna Assar, M.D. is one of 3,119 family medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 67% of them.

  • NPI issued2012 · 67% of these records are older, 31% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2012 · median 2006 among the 1,775 with a school on file
  • Record last updated2022 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

649 family medicine physician records list a practice address in Phoenix

They are 649 of the 31,399 NPPES records with a practice address in Phoenix, and 3,119 family medicine physician records in Arizona.

All 3,119 in Arizona → Every provider in Phoenix → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Tomas Acuna, M.D.Phoenix, AZ 850501972890648
  2. Royal Anspach, M.D.Phoenix, AZ 850501306805338
  3. Martin Hernandez, M.D.Phoenix, AZ 850501245253707
  4. Emily Inglhofer, D.O.Phoenix, AZ 850501174816730
  5. Michelle Jao-Velasquez, MDPhoenix, AZ 850501659514594
  6. Alaina Jose-Miller, MDPhoenix, AZ 850501336149533
  7. Kristin Lau, MDPhoenix, AZ 850501467433144
  8. Peter Levins, MDPhoenix, AZ 850501407876303

Common questions

What is Janna Assar, M.D.'s NPI number?

Janna Assar, M.D.'s National Provider Identifier (NPI) is 1518221589, issued on Jun 25, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Janna Assar, M.D. located?

The NPPES record lists a practice address at 4375 E Irma LN, Phoenix, AZ, 85050. Phone: (602) 550-6489. Providers update this record themselves, so call before visiting.

How can I verify Janna Assar, M.D.'s license?

NPPES lists Arizona license number 51035, 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 Janna Assar, M.D. prescribe under Medicare Part D?

In 2024, Janna Assar, M.D. had 158 Medicare Part D claims for 21 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), 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.