Stephanie Fakhry Tonos, MD
NPI 1942721865 · Internal Medicine Physician · Green Valley, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Fakhry Tonos, MD is a Internal Medicine Physician provider in Green Valley, AZ (NPI 1942721865).
Provider details
- NPI number
- 1942721865
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 59647 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
78 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 | 54 | $87 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 24 | $122 |
Typical Medicare-allowed amounts for these services range $87–$122 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 278 | 134 |
| Amlodipine Besylate | 168 | 75 |
| Metformin Hcl | 147 | 79 |
| Levothyroxine Sodium | 131 | 64 |
| Lisinopril | 121 | 64 |
| Losartan Potassium | 104 | 56 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-06-30
- Last updated
- 2021-03-12
- Certified
- 2021-03-12
Frequently asked questions
- What is Stephanie Fakhry Tonos's NPI number?
- Stephanie Fakhry Tonos's National Provider Identifier (NPI) is 1942721865, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Fakhry Tonos's specialty?
- Stephanie Fakhry Tonos is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephanie Fakhry Tonos located?
- Stephanie Fakhry Tonos's practice location on file with NPPES is 1295 W Duval Mine Rd Ste 101, Green Valley, AZ 85614-5004.
- What is Stephanie Fakhry Tonos's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Fakhry Tonos is (520) 570-7570.
- Does Stephanie Fakhry Tonos accept Medicare?
- Stephanie Fakhry Tonos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Fakhry Tonos's NPI active?
- Yes — Stephanie Fakhry Tonos's NPI (1942721865) is active in the NPPES registry as of the last update on 2021-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.