Martin Tran, D.O.
NPI 1851395891 · Nephrology Physician · Johnson City, TN
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martin Tran, D.O. is a Nephrology Physician provider in Johnson City, TN (NPI 1851395891).
Provider details
- NPI number
- 1851395891
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- DO1528 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,771 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 684 | $120 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 638 | $73 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 123 | $164 |
| Home Dialysis Services Per Month (20 Years Or Older)90966 | 119 | $273 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 118 | $331 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dapagliflozin Propanediolbrand: Farxiga | 294 | 57 |
| Amlodipine Besylate | 278 | 95 |
| Lisinopril | 257 | 77 |
| Furosemide | 224 | 76 |
| Doxazosin Mesylate | 180 | 52 |
| Calcitriol | 156 | 51 |
| Hydralazine Hcl | 121 | 44 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,876 across 95 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-08
- Last updated
- 2010-01-19
Frequently asked questions
- What is Martin Tran's NPI number?
- Martin Tran's National Provider Identifier (NPI) is 1851395891, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Tran's specialty?
- Martin Tran is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Tran located?
- Martin Tran's practice location on file with NPPES is 107 Woodlawn Dr, Johnson City, TN 37604-5978.
- What is Martin Tran's phone number?
- The practice phone number listed in the NPPES registry for Martin Tran is (423) 929-7158.
- Does Martin Tran accept Medicare?
- Martin Tran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martin Tran's NPI active?
- Yes — Martin Tran's NPI (1851395891) is active in the NPPES registry as of the last update on 2010-01-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.