Oana Andreescu, MD
NPI 1306821947 · Internal Medicine Physician · Hixson, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oana Andreescu, MD is a Internal Medicine Physician provider in Hixson, TN (NPI 1306821947).
Provider details
- NPI number
- 1306821947
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 40103 (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
20 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
1,637 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 | 520 | $118 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 382 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 146 | $83 |
| Automated Urinalysis Test81003 | 97 | $2 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 95 | $121 |
| Administration of Influenza Virus VaccineG0008 | 84 | $30 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 202 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 428 | 111 |
| Amlodipine Besylate | 391 | 114 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 388 | 63 |
| Atorvastatin Calcium | 373 | 105 |
| Montelukast Sodium | 346 | 91 |
| Losartan Potassium | 314 | 88 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,145 across 59 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
- 2005-12-07
- Last updated
- 2009-10-19
Frequently asked questions
- What is Oana Andreescu's NPI number?
- Oana Andreescu's National Provider Identifier (NPI) is 1306821947, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oana Andreescu's specialty?
- Oana Andreescu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Oana Andreescu located?
- Oana Andreescu's practice location on file with NPPES is 2051 Hamill Rd, Hixson, TN 37343-6606.
- What is Oana Andreescu's phone number?
- The practice phone number listed in the NPPES registry for Oana Andreescu is (423) 877-1249.
- Does Oana Andreescu accept Medicare?
- Oana Andreescu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Oana Andreescu's NPI active?
- Yes — Oana Andreescu's NPI (1306821947) is active in the NPPES registry as of the last update on 2009-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.