John Alessi, DO
NPI 1629099387 · Family Medicine Physician · Prescott Valley, AZ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Alessi, DO is a Family Medicine Physician provider in Prescott Valley, AZ (NPI 1629099387).
Provider details
- NPI number
- 1629099387
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 02001677A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
2,745 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,235 | $124 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 652 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 199 | $174 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 181 | $124 |
| Advance Care Planning, First 30 Minutes99497 | 66 | $78 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 166 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 612 | 185 |
| Levothyroxine Sodium | 539 | 157 |
| Lisinopril | 492 | 160 |
| Rosuvastatin Calcium | 482 | 157 |
| Amlodipine Besylate | 466 | 157 |
| Losartan Potassium | 383 | 117 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-21
- Last updated
- 2025-01-31
- Certified
- 2025-01-31
Frequently asked questions
- What is John Alessi's NPI number?
- John Alessi's National Provider Identifier (NPI) is 1629099387, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Alessi's specialty?
- John Alessi is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Alessi located?
- John Alessi's practice location on file with NPPES is 6648 N Viewpoint Dr Ste 5, Prescott Valley, AZ 86315-4942.
- What is John Alessi's phone number?
- The practice phone number listed in the NPPES registry for John Alessi is (928) 636-5680.
- Does John Alessi accept Medicare?
- John Alessi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Alessi's NPI active?
- Yes — John Alessi's NPI (1629099387) is active in the NPPES registry as of the last update on 2025-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.