John Cassidy, M.D.
NPI 1134531106 · Internal Medicine Physician · Germantown, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Cassidy, M.D. is a Internal Medicine Physician provider in Germantown, TN (NPI 1134531106).
Provider details
- NPI number
- 1134531106
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,745 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 | 588 | $117 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 539 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 364 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 355 | $8 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 232 | $119 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 209 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 113 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 380 | 115 |
| Amlodipine Besylate | 246 | 83 |
| Omeprazole | 160 | 50 |
| Rosuvastatin Calcium | 158 | 49 |
| Losartan Potassium | 152 | 44 |
| Levothyroxine Sodium | 142 | 42 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,705 across 156 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 (1)
- 8040 Wolf River Blvd Ste 103Germantown, TN 38138-1773Phone: (901) 725-8606Fax: (901) 759-9254
Registry dates
- Enumerated
- 2014-05-27
- Last updated
- 2018-06-25
Frequently asked questions
- What is John Cassidy's NPI number?
- John Cassidy's National Provider Identifier (NPI) is 1134531106, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Cassidy's specialty?
- John Cassidy is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Cassidy located?
- John Cassidy's practice location on file with NPPES is 7715 Wolf River Blvd, Germantown, TN 38138.
- What is John Cassidy's phone number?
- The practice phone number listed in the NPPES registry for John Cassidy is (901) 328-6031.
- Does John Cassidy accept Medicare?
- John Cassidy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Cassidy's NPI active?
- Yes — John Cassidy's NPI (1134531106) is active in the NPPES registry as of the last update on 2018-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.