Are you John Warren? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 1100 Ruby Tyler Pkwy, Tuscaloosa, AL 35404
About John Warren
Based in Tuscaloosa, AL, John Warren is listed in the NPI registry under internal medicine. John graduated from University of Alabama School of Medicine in 2008. According to Medicare claims data, John cared for 6,017 Medicare patients across 24,036 services. The services billed most often include injection, testosterone cypionate, 1 mg, insertion of needle into vein for collection of blood sample, and blood test, comprehensive group of blood chemicals. NPI 1013120104 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
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
- (205) 759-2582
- Email not available
Practice Locations
1100 RUBY TYLER PKWY
Tuscaloosa, AL 35404
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 disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
Lungs & Breathing
Mental Health
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
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
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
24,036 services · 6,017 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
1,413 | More than most peers in Internal Medicine |
| X-ray of chest, 2 views | Imaging | 71046 |
293 | More than most peers in Internal Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
194 | More than most peers in Internal Medicine |
| Injection, testosterone cypionate, 1 mg | Drug given | J1071 |
11,800 | Less often than most peers in Internal Medicine |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
1,022 | More than most peers in Internal Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
910 | More than most peers in Internal Medicine |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
889 | More than most peers in Internal Medicine |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
783 | More than most peers in Internal Medicine |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
773 | More often than most peers in Internal Medicine |
| Blood test, thyroid stimulating hormone (tsh) | Lab test | 84443 |
700 | More 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 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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 — 29 related providers in 4 groups
Other internists in Tuscaloosa 8
Same specialty, same city.
Trained at University of Alabama School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at University of Alabama School 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 5
Providers in AL who bill this service to Medicare most often.
Common questions
What does John Warren specialize in?
John Warren is an internist in Tuscaloosa, AL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is John Warren located?
John Warren is listed at 1100 Ruby Tyler Pkwy, Tuscaloosa, AL 35404. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John Warren's phone number?
The number on file is (205) 759-2582. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John Warren's NPI number?
John Warren's National Provider Identifier is 1013120104. 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 John Warren train?
John Warren attended University of Alabama School of Medicine, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has John Warren been practicing?
John Warren has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What does John Warren do most often?
According to Medicare billing data, John Warren performs procedures including insertion of needle into vein for collection of blood sample; reads or performs imaging such as x-ray of chest, 2 views; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has John Warren confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John Warren. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.