Physician Profile
Unclaimed ProfileAbout WARREN
Caleb Warren, M.D. practices family practice in Knoxville, TN. Caleb is a 1998 graduate of University of Tennessee, Hsc, College of Medicine. Caleb is also listed as specializing in family medicine. According to Medicare claims data, Caleb cared for 764 Medicare patients across 1,076 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
- (865) 689-9966
- Email not available
Practice Locations
3403 TAZEWELL PIKE SUITE 102
Knoxville, TN 37918
Procedures Most Often Billed to Medicare
1,076 services · 764 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
188 |
| Influenza vaccine, inactivated | Treatment | 90653 |
22 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
262 |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
141 |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
126 |
| Hemoglobin a1c level | Lab test | 83036 |
87 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
84 |
| Blood test, thyroid stimulating hormone (tsh) | Lab test | 84443 |
55 |
| Administration of influenza virus vaccine | Billing code | G0008 |
24 |
| Blood test, basic group of blood chemicals (calcium, total) | Lab test | 80048 |
21 |
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.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family practices in Knoxville 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.
More connections — 16 related providers in 2 groups
Class of 1998 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. Warren specialize in?
Dr. Warren is a family practice in Knoxville, TN. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
Where is Dr. Warren located?
Dr. Warren is listed at 3403 TAZEWELL PIKE SUITE 102, Knoxville, TN 37918. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Warren's phone number?
The number on file is (865) 689-9966. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Warren's NPI number?
Dr. Warren's National Provider Identifier is 1801861786. 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. Warren go to medical school?
Dr. Warren attended University of Tennessee, Hsc, College of Medicine, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Warren been practicing?
Dr. Warren has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Warren do most often?
According to Medicare billing data, Dr. Warren performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine, inactivated, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Warren confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Warren. 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.