Stephen Karuga, NP
NPI 1831605658 · Family Nurse Practitioner · Tucson, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Karuga, NP is a Family Nurse Practitioner provider in Tucson, AZ (NPI 1831605658).
Provider details
- NPI number
- 1831605658
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- No
- License
- AP10690 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,463 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) |
|---|---|---|
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 932 | $151 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 183 | $63 |
| Advance Care Planning, First 30 Minutes99497 | 122 | $67 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 87 | $104 |
| Residence Visit for New Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 75 Minutes99345 | 63 | $165 |
| Administration of Influenza Virus VaccineG0008 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 184 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 773 | 112 |
| Trazodone Hcl | 607 | 106 |
| Levothyroxine Sodium | 545 | 85 |
| Furosemide | 510 | 78 |
| Quetiapine Fumarate | 495 | 65 |
| Sertraline Hcl | 486 | 66 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-12-15
- Last updated
- 2025-09-12
- Certified
- 2021-10-27
Frequently asked questions
- What is Stephen Karuga's NPI number?
- Stephen Karuga's National Provider Identifier (NPI) is 1831605658, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Karuga's specialty?
- Stephen Karuga is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stephen Karuga located?
- Stephen Karuga's practice location on file with NPPES is 6890 E Sunrise Dr Ste 120-176, Tucson, AZ 85750.
- What is Stephen Karuga's phone number?
- The practice phone number listed in the NPPES registry for Stephen Karuga is (978) 828-7627.
- Does Stephen Karuga accept Medicare?
- Stephen Karuga is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Karuga's NPI active?
- Yes — Stephen Karuga's NPI (1831605658) is active in the NPPES registry as of the last update on 2025-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.