John Byrnes, M.D.
NPI 1700846334 · Internal Medicine Physician · Smyrna, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Byrnes, M.D. is a Internal Medicine Physician provider in Smyrna, TN (NPI 1700846334).
Provider details
- NPI number
- 1700846334
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD16149 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
668 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 | 216 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 124 | $82 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 96 | $9 |
| Face-To-Face Behavioral Counseling for Obesity, 15 MinutesG0447 | 58 | $23 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 56 | $17 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 44 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 99 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 355 | 52 |
| Omeprazole | 212 | 27 |
| Amlodipine Besylate | 170 | 29 |
| Simvastatin | 148 | 22 |
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 126 | 20 |
| Lisinopril | 110 | 32 |
| Famotidine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$386 across 18 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
Registry dates
- Enumerated
- 2006-03-27
- Last updated
- 2010-06-28
Frequently asked questions
- What is John Byrnes's NPI number?
- John Byrnes's National Provider Identifier (NPI) is 1700846334, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Byrnes's specialty?
- John Byrnes is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Byrnes located?
- John Byrnes's practice location on file with NPPES is 115 Enon Springs Rd E, Smyrna, TN 37167-3033.
- What is John Byrnes's phone number?
- The practice phone number listed in the NPPES registry for John Byrnes is (615) 459-0005.
- Does John Byrnes accept Medicare?
- John Byrnes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Byrnes's NPI active?
- Yes — John Byrnes's NPI (1700846334) is active in the NPPES registry as of the last update on 2010-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.