Elizabeth Machen, M.D.
NPI 1790226074 · Student in an Organized Health Care Education/Training Program · Nashville, TN
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Machen, M.D. is a Student in an Organized Health Care Education/Training Program provider in Nashville, TN (NPI 1790226074).
Provider details
- NPI number
- 1790226074
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,820 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 1,113 | $6 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 603 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 438 | $84 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 363 | $46 |
| Destruction of Skin Growth, 1-14 Growths17110 | 338 | $97 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 213 | 114 |
| Clobetasol Propionate | 180 | 97 |
| Triamcinolone Acetonide | 152 | 115 |
| Finasteride | 141 | 37 |
| Hydrocortisone | 125 | 91 |
| Fluconazole | 101 | 50 |
| Fluocinonide | 89 | 51 |
| Minoxidil | 86 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,079 across 54 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
Additional practice locations (1)
- 711 Tchoupitoulas St Apt 308New Orleans, LA 70130-3784Phone: (337) 351-6280
Registry dates
- Enumerated
- 2017-03-20
- Last updated
- 2018-07-31
Frequently asked questions
- What is Elizabeth Machen's NPI number?
- Elizabeth Machen's National Provider Identifier (NPI) is 1790226074, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Machen's specialty?
- Elizabeth Machen is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Elizabeth Machen located?
- Elizabeth Machen's practice location on file with NPPES is 719 Thompson Ln Ste 26300, Nashville, TN 37204.
- What is Elizabeth Machen's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Machen is (337) 351-6280.
- Does Elizabeth Machen accept Medicare?
- Elizabeth Machen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Machen's NPI active?
- Yes — Elizabeth Machen's NPI (1790226074) is active in the NPPES registry as of the last update on 2018-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.