Steven Kalfus, NP
NPI 1801938865 · Nurse Practitioner · Chandler, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1801938865
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- No
- License
- AP1375 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
309 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 104 | $104 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 68 | $137 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 64 | $74 |
| Measurement of Liver Stiffness91200 | 34 | $25 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 17 | $91 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 495 | 139 |
| Famotidine | 305 | 80 |
| Omeprazole | 157 | 55 |
| Colestipol Hcl | 137 | 51 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 119 | 113 |
| Linaclotidebrand: Linzess | 97 | 18 |
| Rifaximinbrand: Xifaxan | 80 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$9,558 across 99 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 750 S Ironwood Dr Ste 101Apache Junction, AZ 85120-5047Phone: (480) 393-0575
- 5555 E Baseline RdMesa, AZ 85206-4709Phone: (480) 393-5075Fax: (480) 704-4019
Registry dates
- Enumerated
- 2007-02-13
- Last updated
- 2020-03-20
- Certified
- 2020-03-20
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.