Blood GlucoseBody WeightDiabetes Mellitus, Type 2
Dr. Oana L. Andreescu, MD
NPI1306821947PAC ID5193613719
- Medicare services, 2024
- 2,837
- Medicare patients, 2024
- 258
- Part D claims, 2024
- 13,792
- Publications
- 8
- MIPS score, 2024
- 94
- Practice address
- 2525 Desales Ave, Chattanooga, TN 37404
- Practice phone
- Call (423) 495-2525
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Andreescu's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Oana L. Andreescu is an internist in Chattanooga, Tennessee
Dr. Andreescu practices at CommonSpirit - Memorial Hospital - Chattanooga in Chattanooga, Tennessee, part of CommonSpirit Health.
Dr. Andreescu's NPI, 1306821947, was assigned on December 7, 2005. Dr. Andreescu holds Tennessee license 40103.
NPI and contact details
- NPI
- 1306821947NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193613719
- NPI enumeration date
- December 7, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (423) 495-2525
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Oana L. Andreescu practices at CommonSpirit - Memorial Hospital - Chattanooga in Chattanooga, Tennessee
Dr. Andreescu's primary practice is CommonSpirit - Memorial Hospital - Chattanooga, at 2525 Desales Ave, Chattanooga, TN 37404 in Hamilton County. The practice phone is (423) 495-2525.
- CommonSpirit - Memorial Hospital - Chattanooga2525 Desales Ave, Chattanooga, TN 37404 · Hamilton CountyPhone(423) 495-2525
Source: Dmand AI Affiliation Data
Dr. Oana L. Andreescu is affiliated with 5 sites of care and 1 medical group
Dr. Andreescu's primary practice is CommonSpirit - Memorial Hospital - Chattanooga in Chattanooga, Tennessee, part of CommonSpirit Health. Dr. Andreescu is also affiliated with Erlanger Baroness Hospital. The medical group on file is Memorial Health Partners Foundation. Dmand AI also links Dr. Andreescu to 2 more home health agencies and 1 group practice or clinic, each named with a free account.
Erlanger Baroness HospitalMemorial Health Partners Foundation2 home health agenciesNames with a free account1 group practice or clinicName with a free account
See all 6 affiliations for Dr. AndreescuSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Oana L. Andreescu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Andreescu practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CommonSpirit - Memorial Hospital - Chattanooga | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Andreescu practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across CommonSpirit Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Oana L. Andreescu is one of 2,427 internists in Tennessee
Internal medicine is Dr. Andreescu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Andreescu is licensed in Tennessee.
Specialties and state licenses
- Internal medicine, TennesseePrimary
Internists near Dr. Andreescu
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
2,427internists in Tennessee200internists in Chattanooga49internists at CommonSpirit - Memorial Hospital - Chattanooga
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Oana L. Andreescu billed Medicare for 2,837 services in 2024
CMS data shows 2,837 Medicare services from Dr. Andreescu across 20 procedure codes in 2024, for 258 Medicare patients. Medicare paid $86,838 for them. Every service was in an office.
Medicare services, 20242,837
Medicare patients258
Paid by Medicare$86,838
Procedure codes20
Dr. Andreescu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 532024: 1,1081991%
- Office and hospital visits
- 2023: 7622024: 7087%
- Surgery
- 2023: 3962024: 3824%
- Other services
- 2023: 1662024: 30584%
- Tests and treatments
- 2023: 1662024: 19417%
- Lab and pathology
- 2023: 1912024: 14027%
Dr. Andreescu compared with the Tennessee median for internists, 2024
- Dr. Andreescu
- Tennessee median
- Medicare services
- 2,837vs 6714.2 times
- Medicare patients
- 258vs 22216% above
- Part D claims
- 13,135vs 33439.3 times
Medians across 2,462 internists in Tennessee with Dmand AI profiles that report each measure.
Dr. Andreescu's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Andreescu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Andreescu and other internists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Oana L. Andreescu treated 258 Medicare patients in 2024, average age 76
CMS counts 258 Medicare patients who saw Dr. Andreescu in 2024. The largest group is 65 to 74, with 104 patients. 75% of them have high blood pressure, and 62% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Andreescu's median patient age at 71, with 72% women.
Medicare patients, 2024258
Average age76
Average risk score1.18
Also on Medicaid6%
Dr. Andreescu's Medicare patients by age, 2024
Dr. Andreescu's Medicare patients by sex, 2024
- Women19174%
- Men6726%
Chronic conditions among Dr. Andreescu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol62%
- Arthritis52%
- Diabetes33%
- Ischemic heart disease32%
- Anxiety28%
- Chronic kidney disease28%
- Mood disorders20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Andreescu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women72%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Oana L. Andreescu wrote 13,792 Medicare Part D claims in 2024
In 2024, Dr. Andreescu wrote 13,792 Medicare Part D claims for 586 patients. 88% of them were for generic drugs. CMS names the drug for 13,135 of them, across 200 drugs with 11 or more claims each, at $919,885 in total drug cost. In 2023, CMS named 12,369 claims across 188 drugs.
Part D claims, 202413,792
Drugs named by CMS200
Total drug cost$919,885
Part D patients586
Dr. Andreescu's Part D claims by kind of drug, 2024
- Generic12,151 claims88%
- Brand-name1,582 claims11%
- Other59 claims0%
Dr. Andreescu's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Andreescu's Part D claims, 2024
- Opioids6%780 of 13,792 claims
- Antibiotics2%301 of 13,792 claims
- Antipsychotics, patients 65 and over1%149 of 13,792 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 12,3692024: 13,1356%
Drugs named by CMS: 200 in 2024, 188 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Oana L. Andreescu scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Andreescu for performance year 2024, reported through an alternative payment model (APM). Dr. Andreescu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Andreescu as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Andreescu's MIPS scores, performance year 2024
- 94of 100Final score
- 92.6of 100Quality
- 93of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Find internists like Dr. Andreescu by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Oana L. Andreescu has 8 publications on record
Dmand AI links 8 papers to Dr. Andreescu, published from 2014 to 2024. 2024 was the busiest year, with 4. Dr. Andreescu has published most often in Pharmaceuticals (Basel).
Papers8
Years published2014 to 2024
Recent publications by Dr. Andreescu
See who Dr. Andreescu researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Andreescu works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Oana L. Andreescu received $14,505 in industry payments from 2016 to 2025
CMS Open Payments shows 950 general payments to Dr. Andreescu from 46 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $2,737.
General payments to Dr. Andreescu by program year, 2016 to 2025
General payments to Dr. Andreescu by kind, 2016 to 2025
$14.5Kin total
- Food and beverage$14,433100%
- Education$720%
Companies that paid Dr. Andreescu the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Oana L. Andreescu's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Oana L. Andreescu
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Oana L. Andreescu's NPI number?
Dr. Oana L. Andreescu's NPI number is 1306821947. It was assigned on December 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Oana L. Andreescu?
Dr. Oana L. Andreescu is an internist in Chattanooga, Tennessee. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Oana L. Andreescu practice?
Dr. Andreescu practices at 2525 Desales Ave, Chattanooga, TN 37404. Dr. Andreescu's primary practice is CommonSpirit - Memorial Hospital - Chattanooga in Chattanooga, Tennessee, part of CommonSpirit Health. Dmand AI also links Dr. Andreescu to 2 home health agencies and 1 group practice or clinic.
What is Dr. Oana L. Andreescu's office phone number?
The practice phone on file for Dr. Andreescu is (423) 495-2525.
What is Dr. Oana L. Andreescu's medical license number?
Dr. Andreescu holds Tennessee license 40103.
Which hospitals is Dr. Oana L. Andreescu affiliated with?
Dr. Andreescu practices at CommonSpirit - Memorial Hospital - Chattanooga in Chattanooga, Tennessee. Dr. Andreescu is also affiliated with Erlanger Baroness Hospital.
What medical group is Dr. Oana L. Andreescu part of?
Dr. Andreescu is linked to Memorial Health Partners Foundation.
Does Dr. Oana L. Andreescu accept Medicare?
Yes. CMS data shows Dr. Andreescu billed Medicare for 2,837 services in 2024, and Dr. Andreescu accepts Medicare assignment.
Does Dr. Oana L. Andreescu offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Andreescu as offering telehealth services.
What is Dr. Oana L. Andreescu's MIPS score?
Dr. Andreescu's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Oana L. Andreescu see?
CMS counts 258 Medicare patients who saw Dr. Andreescu in 2024, with an average age of 76.
What services does Dr. Oana L. Andreescu bill to Medicare?
In 2024, Dr. Andreescu's most billed Medicare services were injected or infused drug (J1010), office visit, established patient (99214) and surgery: heart and blood vessels (36415).
What drugs does Dr. Oana L. Andreescu prescribe most?
In 2024 Medicare Part D data, Dr. Andreescu's most prescribed drugs by claims were Levothyroxine Sodium, Amlodipine Besylate and Hydrocodone-Acetaminophen.
Has Dr. Oana L. Andreescu received payments from drug or device companies?
CMS Open Payments shows $14,505 in general payments to Dr. Andreescu from 46 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Oana L. Andreescu been practicing?
Dr. Andreescu graduated from medical school in 2001, 25 years ago.
Does Dr. Oana L. Andreescu do research?
Dmand AI links 8 publications to Dr. Andreescu, published from 2014 to 2024.
Selling to internal medicine practices?
See internists in Tennessee by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card