NPPES file of Aug 9, 2026

Theresa L. Bess, FNP-C

Family Nurse Practitioner · Chandler, AZ

Theresa L. Bess, FNP-C is a family nurse practitioner with a practice address in Chandler, Arizona, and NPI 1720306459, issued on May 5, 2010. Check the license (Arizona AP3644, as entered in NPPES) 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720306459
Name
Theresa L. Bess
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
AP3644 AZ
Self-reported in NPPES; status is on the state search
Practice location
2055 W Frye RD Ste 9, Chandler, AZ 85224
Phone
(480) 821-3600
Enumerated
May 5, 2010
Record last updated
Nov 13, 2023
Fax
(480) 857-2667
Medicaid ID
656793 AZ
Medicare enrollment
Enrolled (PECOS I20120914000460); 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.
Download card Updates feed

Also registered at 2055 W Frye RD Ste 9

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

  1. Christina Auclair, PA-CMedical Physician Assistant1972065027
  2. Keisha Bell, M.D.Obstetrics & Gynecology Physician1366706772
  3. Laura Bouet, CNMMidwife1255979795
  4. Lisa Cotten, WHCNPWomen's Health Nurse Practitioner1548554470
  5. Eric Curtis, DOObstetrics & Gynecology Physician1417410424
  6. Brooklyn Elkan, CNMMidwife1508479908

Verify Theresa L. Bess in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license AP3644
    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
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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

98% fewer Medicare Part D claims than the average family nurse practitioner in 2024

20 Medicare Part D claims for 12 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Theresa Bess20
  2. Specialty average1,305

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: $22.38

1 payment: food and beverage; the largest payer was Biogen, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Theresa Bess$22.38
  2. Specialty average$650.95

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. Momdoc LLCChandler, AZ

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

Theresa L. Bess among 5,933 family nurse practitioner records in Arizona

Theresa L. Bess, FNP-C is one of 5,933 family nurse practitioner records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 16% of them.

  • NPI issued2010 · 16% of these records are older, 82% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2009 · median 2019 among the 3,510 with a school on file
  • Record last updated2023 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

244 family nurse practitioner records list a practice address in Chandler

They are 244 of the 5,497 NPPES records with a practice address in Chandler, and 5,933 family nurse practitioner records in Arizona.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Angelica Adriano, FNP-CChandler, AZ 852241790752814
  2. Michelle Barnett, NPChandler, AZ 852241639359417
  3. Shauna Evanson, FNPChandler, AZ 852241881903102
  4. Jacqueline Fretto, FNPChandler, AZ 852241275688418
  5. Linda Lohr, FNPChandler, AZ 852241912162322
  6. Debra Mammen, FNP-CChandler, AZ 852241831170711
  7. Shawn McGuire, FNPChandler, AZ 852241619075272
  8. Christina Miller, FNPChandler, AZ 852241215233507

Common questions

What is Theresa L. Bess, FNP-C's NPI number?

Theresa L. Bess, FNP-C's National Provider Identifier (NPI) is 1720306459, issued on May 5, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Theresa L. Bess, FNP-C located?

The NPPES record lists a practice address at 2055 W Frye RD Ste 9, Chandler, AZ, 85224. Phone: (480) 821-3600. Providers update this record themselves, so call before visiting.

How can I verify Theresa L. Bess, FNP-C's license?

NPPES lists Arizona license number AP3644, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Theresa L. Bess, FNP-C prescribe under Medicare Part D?

In 2024, Theresa L. Bess, FNP-C had 20 Medicare Part D claims for 12 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.

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.