John Allahham, M.D.
NPI 1538120126 · Psychiatry Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Allahham, M.D. is a Psychiatry Physician provider in Nashville, TN (NPI 1538120126).
Provider details
- NPI number
- 1538120126
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 30090 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
576 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 208 | $96 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 118 | $72 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 110 | $161 |
| Therapy Using Electrical Currents90870 | 92 | $95 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 19 | $74 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 260 | 82 |
| Quetiapine Fumarate | 247 | 63 |
| Buspirone Hcl | 239 | 70 |
| Mirtazapine | 218 | 79 |
| Risperidone | 211 | 31 |
| Duloxetine Hcl | 211 | 62 |
| Escitalopram Oxalate | 167 | 67 |
Practice location
Mailing address
Additional practice locations (2)
- 1000 E Lexington AveSuite # 25Danville, KY 40422-9042Phone: (859) 236-7756Fax: (859) 236-7209
- 222 S 3rd StDanville, KY 40422-1824Phone: (859) 239-5570
Registry dates
- Enumerated
- 2006-03-31
- Last updated
- 2023-04-27
- Certified
- 2023-04-27
Frequently asked questions
- What is John Allahham's NPI number?
- John Allahham's National Provider Identifier (NPI) is 1538120126, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Allahham's specialty?
- John Allahham is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is John Allahham located?
- John Allahham's practice location on file with NPPES is 3601 the Vanderbilt Clinic, Nashville, TN 37232-1824.
- What is John Allahham's phone number?
- The practice phone number listed in the NPPES registry for John Allahham is (615) 322-5000.
- Does John Allahham accept Medicare?
- John Allahham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Allahham's NPI active?
- Yes — John Allahham's NPI (1538120126) is active in the NPPES registry as of the last update on 2023-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.