NPPES file of Aug 9, 2026

Susan G. Hagstrom, M.D.

Internal Medicine Physician · Phoenix, AZ

Susan G. Hagstrom, M.D. is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1235112061, issued on Nov 25, 2005. Check the license (Arizona 23438, 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
1235112061
Name
Susan G. Hagstrom
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
23438 AZ
Self-reported in NPPES; status is on the state search
Practice location
5779 E Mayo Blvd, Phoenix, AZ 85054
Phone
(480) 301-8000
Enumerated
Nov 25, 2005
Record last updated
Sep 10, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100222000617); accepts Medicare assignment
Medical or professional school
Geisel School Of Medicine At Dartmouth, 1992
Telehealth
Offers telehealth (CMS)
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 5779 E Mayo Blvd

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

  1. Andrew Adamczyk, MDOrthopaedic Surgery Physician1639898620
  2. Paul Andrews, M.D.Urology Physician1710962345
  3. Heidi Apsey, N.P.Nurse Practitioner1437344793
  4. Howard Asaki, P.A.-C.Physician Assistant1801878228
  5. Stacie Attig, AGPCNPNurse Practitioner1902315435
  6. Stephen Bansberg, M.D.Otolaryngology Physician1891770426

Verify Susan G. Hagstrom in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 23438
    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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15% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,709 Medicare Part D claims for 183 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 34 claims were for opioids.

  1. Susan Hagstrom2,709
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium191 claims
  2. Levothyroxine Sodium173 claims
  3. Rosuvastatin Calcium156 claims
  4. Losartan Potassium80 claims
  5. Eliquis74 claims
  6. Omeprazole67 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): 38.3 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. Qualityout of 100 · 30% of the final score0.0
  2. Costout of 100 · 30%46.0
  3. Promoting interoperabilityout of 100 · 25%98.0
  4. Improvement activities0 of 40 points · 15%0.0

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

Bills Medicare through one group practice

  1. Mayo Clinic ArizonaScottsdale, AZ

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

695 internal medicine physician records list a practice address in Phoenix

They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.

Other internal medicine physician records in Arizona

  1. Daniel Aaronson, MDTucson, AZ1134865355
  2. Constantia Abarikwu, MDPhoenix, AZ1497832620
  3. Jaber Abawi, MDPayson, AZ1629038542
  4. Demsas Abay, MDPeoria, AZ1720312390
  5. Firas Abbas, M.D. M.P.H.Mesa, AZ1336481407
  6. Hassan Abbas, D.O.Mesa, AZ1477294775
  7. Jalal Abbas, M.D.Sun City West, AZ1205895034
  8. Tayeb Abbas, MDSun City West, AZ1093406795
  9. Hamed Abbaszadegan, MDPhoenix, AZ1407083579
  10. Kristopher Abbate, MDTucson, AZ1184112401

Common questions

What is Susan G. Hagstrom, M.D.'s NPI number?

Susan G. Hagstrom, M.D.'s National Provider Identifier (NPI) is 1235112061, issued on Nov 25, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Susan G. Hagstrom, M.D. located?

The NPPES record lists a practice address at 5779 E Mayo Blvd, Phoenix, AZ, 85054. Phone: (480) 301-8000. Providers update this record themselves, so call before visiting.

How can I verify Susan G. Hagstrom, M.D.'s license?

NPPES lists Arizona license number 23438, 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 Susan G. Hagstrom, M.D. prescribe under Medicare Part D?

In 2024, Susan G. Hagstrom, M.D. had 2,709 Medicare Part D claims for 183 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Susan G. Hagstrom, M.D.'s MIPS final score?

The 2023 MIPS final score is 38.3 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.