NPPES file of Aug 9, 2026

Alexander Grantsaris

Family Nurse Practitioner · Gary, IN

Alexander Grantsaris is a family nurse practitioner with a practice address in Gary, Indiana, and NPI 1922554831, issued on Aug 31, 2016. Check the license (Indiana 28197039A, as entered in NPPES) with the Indiana board that licenses this profession; 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
1922554831
Name
Alexander Grantsaris
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
28197039A IN
115857 MT
Self-reported in NPPES; status is on the state search
Practice location
600 Grant St, Gary, IN 46402
Phone
(219) 886-4289
Enumerated
Aug 31, 2016
Record last updated
Aug 22, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170927003402); accepts Medicare assignment
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 600 Grant St

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

  1. Myza Rae Alexander, RNEmergency Medical Services (Emergency Medicine) Physician1811707326
  2. Mohammad Almachnouk, MDAnesthesiology Physician1679517742
  3. Clive Alonzo, M.D.Internal Medicine Physician1134190721
  4. Heather Andryuk, PHARMDPharmacist1093923351
  5. Kathryn AvinaPhysician Assistant1578950424
  6. Guangyu BaiEmergency Medicine Physician1386286474

Verify Alexander Grantsaris in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Indiana board licenses this profession
    Search for license 28197039A
    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
Find the Indiana 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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62% fewer Medicare Part D claims than the average family nurse practitioner in 2024

501 Medicare Part D claims for 365 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Alexander Grantsaris501
  2. Specialty average1,305

Most prescribed

  1. Prednisone86 claims
  2. Cephalexin72 claims
  3. Azithromycin46 claims
  4. Amoxicillin-Clavulanate Potass40 claims
  5. Doxycycline Hyclate38 claims
  6. Paxlovid30 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): 85.4 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 score86.0
  2. Costout of 100 · 30%65.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Bills Medicare through one group practice

  1. Providence Health And Services MtMissoula, MT

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

Alexander Grantsaris among 5,867 family nurse practitioner records in Indiana

Alexander Grantsaris is one of 5,867 family nurse practitioner records with a practice address in Indiana. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 33% of them.

  • NPI issued2016 · 33% of these records are older, 61% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2016 · median 2018 among the 3,953 with a school on file
  • Record last updated2019 · 33% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

41 family nurse practitioner records list a practice address in Gary

They are 41 of the 640 NPPES records with a practice address in Gary, and 5,867 family nurse practitioner records in Indiana.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Brittney Bennett, FNP-CGary, IN 464021386174530
  2. Taryn EastlandGary, IN 464021245301654
  3. Laresse Harris, APRN, FNP-CGary, IN 464021013516939
  4. Akeem KareemGary, IN 464021124566427
  5. Kimberly Lucaitis, FNPGary, IN 464021164705042
  6. Adaobi OgonuweGary, IN 464021629469234
  7. Valerie Royal, FNPGary, IN 464021346346665
  8. Tiffany Smiley, MSN, FNP-BCGary, IN 464021629399506

Common questions

What is Alexander Grantsaris's NPI number?

Alexander Grantsaris's National Provider Identifier (NPI) is 1922554831, issued on Aug 31, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Grantsaris located?

The NPPES record lists a practice address at 600 Grant St, Gary, IN, 46402. Phone: (219) 886-4289. Providers update this record themselves, so call before visiting.

How can I verify Alexander Grantsaris's license?

NPPES lists Indiana license number 28197039A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.

How much does Alexander Grantsaris prescribe under Medicare Part D?

In 2024, Alexander Grantsaris had 501 Medicare Part D claims for 365 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Alexander Grantsaris's MIPS final score?

The 2023 MIPS final score is 85.4 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.