NPPES file of Aug 9, 2026

David Alster

Endocrinology, Diabetes & Metabolism Physician · Tucson, AZ

David Alster is an endocrinology, diabetes & metabolism physician with a practice address in Tucson, Arizona, and NPI 1164457339, issued on Jul 12, 2006. Check the license (Arizona 22096, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164457339
Name
David Alster
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
22096 AZ
Self-reported in NPPES; status is on the state search
Practice location
5910 N LA Cholla Blvd, Tucson, AZ 85741
Phone
(520) 297-0404
Enumerated
Jul 12, 2006
Record last updated
Oct 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20101011000864); accepts Medicare assignment
Medical or professional school
Tulane University School Of Medicine, 1982
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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Also registered at 5910 N LA Cholla Blvd

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

  1. Michael Candelario Tirado, MDPhysician Assistant1871293514
  2. Karma Carty, MSN, APRN, FNP- CFamily Nurse Practitioner1700495306
  3. Ernest Fox, PAPhysician Assistant1104809854
  4. Troy Gustaveson, PA-CMedical Physician Assistant1902357171
  5. Ashley Munro, R.D.Registered Dietitian1104220979
  6. Edward PerryAudiologist1700118668

Verify David Alster in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 22096
    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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47% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

3,853 Medicare Part D claims for 826 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.

  1. David Alster3,853
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium847 claims
  2. Methimazole306 claims
  3. Synthroid157 claims
  4. Testosterone Cypionate153 claims
  5. Metformin Hcl142 claims
  6. Liothyronine Sodium100 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 98.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%98.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $129.91

7 payments; by number, the most common kind was food and beverage; the largest payer was Dexcom, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Alster$129.91
  2. Specialty average$5,742.15

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. Tucson Endocrine Associates PLLCTucson, AZ

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

David Alster among 175 endocrinology, diabetes & metabolism physician records in Arizona

David Alster is one of 175 endocrinology, diabetes & metabolism physician records with a practice address in Arizona. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 61% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1982 · median 2005 among the 107 with a school on file
  • Record last updated2021 · 37% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Arizona

There are 175 endocrinology, diabetes & metabolism physician records in Arizona.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Neda Ebrahimi, MDTucson, AZ 857411679033781
  2. Alexander Zwart, MD, FACPTucson, AZ 857411225018856
  3. Dorota Pucyk, M.D.Tucson, AZ 857421235275785
  4. Janet Funk, MDTucson, AZ 857241881254688
  5. Merilyn Goldschmid, MDTucson, AZ 857241730152489
  6. David Johnson, MDTucson, AZ 857241437258852
  7. Stephanie Giffin, DOTucson, AZ 857231528592359
  8. Stephen Thomson, MDTucson, AZ 857231316903891

Common questions

What is David Alster's NPI number?

David Alster's National Provider Identifier (NPI) is 1164457339, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Alster located?

The NPPES record lists a practice address at 5910 N LA Cholla Blvd, Tucson, AZ, 85741. Phone: (520) 297-0404. Providers update this record themselves, so call before visiting.

How can I verify David Alster's license?

NPPES lists Arizona license number 22096, 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 David Alster prescribe under Medicare Part D?

In 2024, David Alster had 3,853 Medicare Part D claims for 826 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is David Alster's MIPS final score?

The 2023 MIPS final score is 98.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.