Louis Hagler, M.D.
Family Medicine Physician · Phoenix, AZ
Louis Hagler, M.D. is a family medicine physician with a practice address in Phoenix, Arizona, and NPI 1740509181, issued on May 25, 2010. Check the license (Arizona 46602, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Louis Hagler
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 46602 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 13843 N Tatum Blvd, Phoenix, AZ 85032
- Phone
- (480) 323-3366
- Enumerated
- May 25, 2010
- Record last updated
- Jan 28, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (602) 867-5042
- Medicare enrollment
- Enrolled (PECOS I20121220000356); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Also registered at 13843 N Tatum Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ronald Weissman, D.M.D.General Practice Dentistry1912965740
Verify Louis Hagler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 46602Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% more Medicare Part D claims than the average family medicine physician in 2024
6,081 Medicare Part D claims for 737 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium565 claims
- Levothyroxine Sodium329 claims
- Lisinopril298 claims
- Amlodipine Besylate276 claims
- Rosuvastatin Calcium272 claims
- Losartan Potassium197 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: $116.00
1 payment: education; the largest payer was Novo Nordisk 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.
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
- Honorhealth Medical Group, LLCPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Louis Hagler among 3,119 family medicine physician records in Arizona
Louis Hagler, 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 2010, is newer than 62% of them.
- NPI issued2010 · 62% of these records are older, 36% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2010 · median 2006 among the 1,775 with a school on file
- Record last updated2014 · 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
- Laura Adler, M.D.Phoenix, AZ 850321912986498
- Carolyn Barlow, D.O.Phoenix, AZ 850321740284397
- Lawrence Bence, M.D.Phoenix, AZ 850321194713628
- Richard Dobrusin, D.O.Phoenix, AZ 850321578533170
- Mitchell EdelsteinPhoenix, AZ 850321164422085
- Ronald Habros, MDPhoenix, AZ 850321467432567
- Luis Irizarry, MDPhoenix, AZ 850321487658175
- Paul Laven, DOPhoenix, AZ 850321396718102
Common questions
What is Louis Hagler, M.D.'s NPI number?
Louis Hagler, M.D.'s National Provider Identifier (NPI) is 1740509181, issued on May 25, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Louis Hagler, M.D. located?
The NPPES record lists a practice address at 13843 N Tatum Blvd, Phoenix, AZ, 85032. Phone: (480) 323-3366. Providers update this record themselves, so call before visiting.
How can I verify Louis Hagler, M.D.'s license?
NPPES lists Arizona license number 46602, 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 Louis Hagler, M.D. prescribe under Medicare Part D?
In 2024, Louis Hagler, M.D. had 6,081 Medicare Part D claims for 737 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.
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.