Physician Profile
Nathan A Gray, MD
Unclaimed ProfileAbout Dr. Gray
Nathan A Gray, MD practices internal medicine in Knoxville, TN. Nathan is a 2000 graduate of University of Tennessee, Hsc, College of Medicine. Medicare claims data shows Nathan provided 5,024 services to 3,544 patients.
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
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (865) 966-3940
- Email not available
Practice Locations
11808 KINGSTON PIKE STE 160
Knoxville, TN 37934
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
Procedures & services
Most searched procedures
Procedures Most Often Billed to Medicare
5,024 services · 3,544 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
562 |
| Influenza vaccine, inactivated | Treatment | 90653 |
87 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
65 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
508 |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
418 |
| Hemoglobin a1c level | Lab test | 83036 |
347 |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
340 |
| Blood test, basic group of blood chemicals (calcium, total) | Lab test | 80048 |
315 |
| Blood test, thyroid stimulating hormone (tsh) | Lab test | 84443 |
314 |
| 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 |
281 |
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 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 — 31 related providers in 4 groups
Other internal medicines in Knoxville 8
Same specialty, same city.
Trained at University of Tennessee, Hsc, College of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 2000 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. Gray specialize in?
Dr. Gray is an internal medicine in Knoxville, TN. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Gray located?
Dr. Gray is listed at 11808 KINGSTON PIKE STE 160, Knoxville, TN 37934. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Gray's phone number?
The number on file is (865) 966-3940. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Gray?
Dr. Gray's National Provider Identifier is 1952347999. 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. Gray go to medical school?
Dr. Gray attended University of Tennessee, Hsc, College of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Gray have?
Dr. Gray has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Gray do most often?
According to Medicare billing data, Dr. Gray performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine, inactivated 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
Is Dr. Gray's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gray. 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.