Alexander Grantsaris
NPI 1922554831 · Family Nurse Practitioner · Gary, IN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Grantsaris is a Family Nurse Practitioner provider in Gary, IN (NPI 1922554831).
Provider details
- NPI number
- 1922554831
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 115857 (MT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
736 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 353 | $77 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 119 | $107 |
| Automated Urinalysis Test81003 | 83 | $2 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 56 | $93 |
| X-Ray of Chest, 2 Views71046 | 27 | $23 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 22 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 86 | 83 |
| Cephalexin | 72 | 69 |
| Azithromycin | 46 | 45 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 40 | 40 |
| Doxycycline Hyclate | 38 | 38 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 30 | 30 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 27 |
Practice location
Mailing address
Additional practice locations (1)
- 3075 N Reserve St Ste QMissoula, MT 59808-1390Phone: (406) 327-1850Fax: (406) 327-1875
Registry dates
- Enumerated
- 2016-08-31
- Last updated
- 2019-08-22
Frequently asked questions
- What is Alexander Grantsaris's NPI number?
- Alexander Grantsaris's National Provider Identifier (NPI) is 1922554831, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Grantsaris's specialty?
- Alexander Grantsaris is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alexander Grantsaris located?
- Alexander Grantsaris's practice location on file with NPPES is 600 Grant St, Gary, IN 46402-6001.
- What is Alexander Grantsaris's phone number?
- The practice phone number listed in the NPPES registry for Alexander Grantsaris is (219) 886-4289.
- Does Alexander Grantsaris accept Medicare?
- Alexander Grantsaris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Grantsaris's NPI active?
- Yes — Alexander Grantsaris's NPI (1922554831) is active in the NPPES registry as of the last update on 2019-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.