Physician Profile
Unclaimed ProfileAbout CASSIDY
Based in Germantown, TN, John Martin Cassidy, M.D. is listed in the NPI registry under internal medicine. John graduated from University of Tennessee, Hsc, College of Medicine in 2014. John is also listed as specializing in student in an organized health care education program. According to Medicare claims data, John cared for 2,818 Medicare patients across 3,662 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (901) 328-6031
- Email not available
Practice Locations
7715 WOLF RIVER BLVD
Germantown, TN 38138
Procedures Most Often Billed to Medicare
3,662 services · 2,818 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
539 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
86 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
27 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
23 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
23 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
588 |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
364 |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
355 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
232 |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
209 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other internal medicines in Germantown 8
Same specialty, same city.
Trained at University of Tennessee, Hsc, College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at University of Tennessee, Hsc, College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in TN who bill this service to Medicare most often.
Common questions
What does Dr. Cassidy specialize in?
Dr. Cassidy is an internal medicine in Germantown, TN. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Cassidy located?
Dr. Cassidy is listed at 7715 WOLF RIVER BLVD, Germantown, TN 38138. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Cassidy's phone number?
The number on file is (901) 328-6031. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Cassidy's NPI number?
Dr. Cassidy's National Provider Identifier is 1134531106. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Cassidy go to medical school?
Dr. Cassidy attended University of Tennessee, Hsc, College of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Cassidy been practicing?
Dr. Cassidy has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Cassidy do most often?
According to Medicare billing data, Dr. Cassidy performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine split virus, preservative free and pneumococcal conjugate vaccine, 20 valent , for intramuscular use, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Cassidy confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Cassidy. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.