John Guidi, MD
NPI 1942354956 · Family Medicine Physician · Jackson, TN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Guidi, MD is a Family Medicine Physician provider in Jackson, TN (NPI 1942354956).
Provider details
- NPI number
- 1942354956
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 23660 (TN)
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
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
4,151 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 | 938 | $120 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 521 | $16 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 335 | $13 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 297 | $34 |
| X-Ray of Chest, 2 Views71046 | 211 | $21 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 209 | $8 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 400 | 380 |
| Prednisone | 301 | 264 |
| Cefdinir | 164 | 160 |
| Ciprofloxacin Hcl | 108 | 102 |
| Fluconazole | 81 | 66 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 67 | 67 |
| Azithromycin | 55 | 51 |
| Amoxicillin | 45 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-23
- Last updated
- 2015-09-30
Frequently asked questions
- What is John Guidi's NPI number?
- John Guidi's National Provider Identifier (NPI) is 1942354956, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Guidi's specialty?
- John Guidi is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Guidi located?
- John Guidi's practice location on file with NPPES is 2859 Highway 45 Byp, Jackson, TN 38305-3618.
- What is John Guidi's phone number?
- The practice phone number listed in the NPPES registry for John Guidi is (731) 660-8306.
- Does John Guidi accept Medicare?
- John Guidi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Guidi's NPI active?
- Yes — John Guidi's NPI (1942354956) is active in the NPPES registry as of the last update on 2015-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.