Anna Theresa Koester, FNP-BC
Nurse Practitioner · Surprise, AZ
Anna Theresa Koester, FNP-BC is a nurse practitioner with a practice address in Surprise, Arizona, and NPI 1306627989, issued on Oct 10, 2023. Check the license (Arizona 308311, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Anna Theresa Koester
- Credential
- FNP-BC
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 308311 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 14800 W Mountain View Blvd Ste 160, Surprise, AZ 85374
- Phone
- (623) 584-3376
- Enumerated
- Oct 10, 2023
- Record last updated
- Jan 24, 2025
- Fax
- (623) 584-3375
- Medicare enrollment
- Enrolled (PECOS I20250304004006); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,423 in Arizona → Look up another NPI →
Also registered at 14800 W Mountain View Blvd Ste 160
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Victoria PhanMedical Physician Assistant1306440011
- Drew Reese, D.O.Dermatology Physician1750394227
- Elizabeth Vesselovskaya, PA-CPhysician Assistant1164961157
Verify Anna Theresa Koester in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 308311Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $148.08
3 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Arizona Dermatology Specialists, PLLCSurprise, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anna Theresa Koester among 1,423 nurse practitioner records in Arizona
Anna Theresa Koester, FNP-BC is one of 1,423 nurse practitioner 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 2023, is newer than 79% of them.
- NPI issued2023 · 79% of these records are older, 14% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2023 · median 2019 among the 805 with a school on file
- Record last updated2025 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nurse Practitioner providers in Arizona
There are 1,423 nurse practitioner records in Arizona.
All 1,423 in Arizona → Every provider in Surprise → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Alphonse Alapat, ACNPSurprise, AZ 853741205483476
- Lauren Bachman, DNP, AGNP-BCSurprise, AZ 853741821576174
- Eunmee Chung, DNPSurprise, AZ 853741255981593
- Christine Coombs, NPSurprise, AZ 853741841015278
- Katherine Costa, ACNP-BCSurprise, AZ 853741215014485
- Michelle Gordon, FNP-CSurprise, AZ 853741255227591
- Geoff Ibe, FNP-BCSurprise, AZ 853741679235808
- Manpreet Kaur, FNP-CSurprise, AZ 853741730955824
Common questions
What is Anna Theresa Koester, FNP-BC's NPI number?
Anna Theresa Koester, FNP-BC's National Provider Identifier (NPI) is 1306627989, issued on Oct 10, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Anna Theresa Koester, FNP-BC located?
The NPPES record lists a practice address at 14800 W Mountain View Blvd Ste 160, Surprise, AZ, 85374. Phone: (623) 584-3376. Providers update this record themselves, so call before visiting.
How can I verify Anna Theresa Koester, FNP-BC's license?
NPPES lists Arizona license number 308311, as entered by the provider. 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.
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.