Registry data as of Aug 27, 2026

Sonal Haerter, M.D.

Internal Medicine Physician · Phoenix, AZ

Sonal Haerter, M.D. is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1619980737, issued on Aug 14, 2006. Check the license (Arizona 35928, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1619980737
Name
Sonal Haerter
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
35928 AZ
Self-reported in NPPES; status is on the state search
Practice location
500 W Thomas RD Ste 900A, Phoenix, AZ 85013
Phone
(602) 406-3540
Enumerated
Aug 14, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 500 W Thomas RD Ste 900A

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

  1. Jumanah Abuasbeh, MD, MPHInternal Medicine Physician1588302459
  2. Mania Al RezkInternal Medicine Physician1518546555
  3. James Blair, MDInternal Medicine Physician1780631044
  4. Michael Carchedi, DOInternal Medicine Physician1073956173
  5. Nathan Dennison, DOInternal Medicine Physician1871098756
  6. Tiffany Hosten Blackmond, M.D., M.P.H.Internal Medicine Physician1811377906

Verify Sonal Haerter in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 35928
    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.

58% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,328 Medicare Part D claims for 122 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Sonal Haerter1,328
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium83 claims
  2. Amlodipine Besylate74 claims
  3. Levothyroxine Sodium74 claims
  4. Simvastatin69 claims
  5. Lisinopril56 claims
  6. Gabapentin51 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.

One hospital or facility affiliation

  1. Sjhmc Physician ServicesPhoenix, AZ

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

695 internal medicine physician records list a Phoenix practice address

They are 695 of the 31,399 NPPES records with a Phoenix practice address, 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 Sonal Haerter, M.D.'s NPI number?

Sonal Haerter, M.D.'s National Provider Identifier (NPI) is 1619980737, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sonal Haerter, M.D. located?

The NPPES record lists a practice address at 500 W Thomas RD Ste 900A, Phoenix, AZ, 85013. Phone: (602) 406-3540. Providers update this record themselves, so call before visiting.

How can I verify Sonal Haerter, M.D.'s license?

NPPES lists Arizona license number 35928, 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 Sonal Haerter, M.D. prescribe under Medicare Part D?

In 2024, Sonal Haerter, M.D. had 1,328 Medicare Part D claims for 122 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.