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Edit this profileWhere to find John A. Johnson, M.D.
- Seneca location main office
298 Memorial Dr, Seneca, SC 29672 - Douglasville location
6128 Prestley Mill Rd, Suite G, Douglasville, GA 30134
About Dr. Johnson
John A. Johnson, M.D. practices internal medicine in Seneca, SC. Medicare claims data shows John provided 50 services to 30 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes and hospital discharge day management, more than 30 minutes. The provider's National Provider Identifier (NPI) is 1699764555.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (864) 885-7758
- Email not available
Practice Locations
298 MEMORIAL DR
Seneca, SC 29672
6128 Prestley Mill Rd SUITE G
Douglasville, GA 30134
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
- Blood clots
Blood disorders
- Anemia
Brain & Nerves
Brain and nerves
Cardiac and vascular
- AFib
Digestive
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
Lungs & Breathing
Mental Health
- Generalized anxiety disorder
- Insomnia and Sleep Problems
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
- EKG
- Spirometry
Bones & Joints
- Trigger Point Injections
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
- Endoscopy
Exams & Consultations
- Pre-Op Clearance Exam
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
- Urinalysis
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
- Ingrown toenail removal
- Suture removal
Office procedures
- Cryotherapy for skin lesions
- Earwax removal
- Incision and drainage of an abscess
- Skin biopsy
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
- Smoking cessation counseling
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
50 services · 30 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
37 | Less often than most peers in Internal Medicine |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
13 | Less often than most peers in Internal Medicine |
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 internists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 7 related providers in 1 group
Common questions
What is John A. Johnson's specialty?
John A. Johnson is an internist in Seneca, SC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find John A. Johnson?
John A. Johnson is listed at 298 Memorial Dr, Seneca, SC 29672. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact John A. Johnson?
The number on file is (864) 885-7758. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John A. Johnson?
John A. Johnson's National Provider Identifier is 1699764555. 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
How much experience does John A. Johnson have?
John A. Johnson has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is John A. Johnson known for?
According to Medicare billing data, John A. Johnson the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John A. Johnson's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John A. Johnson. If this is you, claiming it is free.
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