Physician Profile
Unclaimed ProfileAbout NALL
Based in Huntsville, AL, John David Nall, M.D. is listed in the NPI registry under family practice. John is also listed as specializing in emergency medicine and family medicine. Medicare claims data shows John provided 414 services to 291 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
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (256) 808-2929
- Email not available
Practice Locations
4700 WHITESBURG DR SE SUITE 250
Huntsville, AL 35802
Procedures Most Often Billed to Medicare
414 services · 291 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
27 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
22 |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
36 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
87 |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
60 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
47 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
36 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
33 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
33 |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
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.
Other family practices at this location 1
Same specialty, same street address — most likely the same department or group.
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.
Other family practices in Huntsville 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2015 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in AL who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Nall?
Dr. Nall is a family practice in Huntsville, AL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
What is Dr. Nall's address?
Dr. Nall is listed at 4700 WHITESBURG DR SE SUITE 250, Huntsville, AL 35802. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Nall?
The number on file is (256) 808-2929. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Nall?
Dr. Nall's National Provider Identifier is 1285029371. 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. Nall train?
Dr. Nall attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Nall have?
Dr. Nall has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Nall perform?
According to Medicare billing data, Dr. Nall provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Nall's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nall. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.