Dr. Nana Kobaivanova, MD

  • Cleveland, OH
  • Internist
NPI1447208640PAC ID3274579032
Medicare services, 2024
326
Medicare patients, 2024
113
Part D claims, 2024
4,790
Publications
3
Hospital affiliations
3
Practice address
9500 Euclid Avenue, Cleveland, OH 44195
Practice phone
Call (216) 952-9829
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Cleveland Clinic Main Campus

Hospital · Cleveland, Ohio

See all 7 affiliations

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Dr. Nana Kobaivanova is an internist in Cleveland, Ohio

Dr. Kobaivanova practices at Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation.

Dr. Kobaivanova's NPI, 1447208640, was assigned on May 4, 2006. Dr. Kobaivanova holds Ohio license 35081513.

NPI and contact details
Medicare PAC ID
3274579032
NPI enumeration date
May 4, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(216) 952-9829
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
55
Medical school graduation
1997

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Nana Kobaivanova practices at Cleveland Clinic Main Campus in Cleveland, Ohio

Dr. Kobaivanova's primary practice is Cleveland Clinic Main Campus, at 9500 Euclid Avenue, Cleveland, OH 44195 in Cuyahoga County. The practice phone is (216) 952-9829.

Source: Dmand AI Affiliation Data

Dr. Nana Kobaivanova is affiliated with 6 sites of care and 1 medical group

Dr. Kobaivanova's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Dr. Kobaivanova is also affiliated with Hillcrest Hospital. The medical group on file is Cleveland Clinic. Dmand AI also links Dr. Kobaivanova to 1 more hospital, 2 clinical labs and 1 group practice or clinic, each named with a free account. Dr. Kobaivanova's employer is on file too: a hospital.

See all 7 affiliations for Dr. Kobaivanova

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Nana Kobaivanova's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kobaivanova practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Cleveland Clinic Main CampusAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Nana Kobaivanova is one of 4,708 internists in Ohio

Internal medicine is Dr. Kobaivanova's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kobaivanova is licensed in Ohio.

Specialties and state licenses

  • Internal medicine, OhioPrimaryLicense 35081513 · taxonomy 207R00000X

Internists near Dr. Kobaivanova

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Nana Kobaivanova billed Medicare for 326 services in 2024

CMS data shows 326 Medicare services from Dr. Kobaivanova across 4 procedure codes in 2024, for 113 Medicare patients. Medicare paid $10,698 for them. Every service was in an office.

Medicare services, 2024326
Medicare patients113
Paid by Medicare$10,698
Procedure codes4

Dr. Kobaivanova's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 842024: 195132%
Other services
2023: 02024: 131

Dr. Kobaivanova compared with the Ohio median for internists, 2024

  • Dr. Kobaivanova
  • Ohio median
Medicare services
326vs 48733% below
Medicare patients
113vs 19241% below
Part D claims
4,216vs 29414.3 times

Medians across 4,703 internists in Ohio with Dmand AI profiles that report each measure.

Dr. Kobaivanova'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.

See all procedures by Dr. Kobaivanova

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Nana Kobaivanova treated 113 Medicare patients in 2024, average age 74

CMS counts 113 Medicare patients who saw Dr. Kobaivanova in 2024. The largest group is 65 to 74, with 52 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 35% are also on Medicaid. Their average risk score is 1.62, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Kobaivanova's median patient age at 64, with 63% women.

Medicare patients, 2024113
Average age74
Average risk score1.62
Also on Medicaid35%

Dr. Kobaivanova's Medicare patients by age, 2024

Dr. Kobaivanova's Medicare patients by sex, 2024

  • Women6759%
  • Men4641%

Chronic conditions among Dr. Kobaivanova's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes53%
  4. Arthritis42%
  5. Chronic kidney disease40%
  6. COPD27%
  7. Heart failure27%
  8. Ischemic heart disease27%

Share of Medicare patients with each condition. A patient can have several.

Dr. Kobaivanova's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women63%
  • Men37%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Nana Kobaivanova wrote 4,790 Medicare Part D claims in 2024

In 2024, Dr. Kobaivanova wrote 4,790 Medicare Part D claims for 423 patients. 83% of them were for generic drugs. CMS names the drug for 4,216 of them, across 93 drugs with 11 or more claims each, at $392,141 in total drug cost. In 2023, CMS named 2,112 claims across 55 drugs.

Part D claims, 20244,790
Drugs named by CMS93
Total drug cost$392,141
Part D patients423

Dr. Kobaivanova's Part D claims by kind of drug, 2024

  • Generic3,952 claims83%
  • Brand-name755 claims16%
  • Other83 claims2%

Dr. Kobaivanova'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. Kobaivanova's Part D claims, 2024

  • Antibiotics0%21 of 4,790 claims
  • Antipsychotics, patients 65 and over0%13 of 4,790 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: 2,1122024: 4,216100%

Drugs named by CMS: 93 in 2024, 55 in 2023.

See all prescribing by Dr. Kobaivanova

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

How Dr. Nana Kobaivanova takes part in Medicare

Dr. Kobaivanova accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Nana Kobaivanova has 3 publications on record

Dmand AI links 3 papers to Dr. Kobaivanova, published from 2017 to 2021. Dr. Kobaivanova's most frequent co-authors are Andrei C. Brateanu, MD, Thomas J. Barwacz, MD and Shari Danielle Bolen, MD.

Papers3
Years published2017 to 2021

Dr. Kobaivanova's most frequent co-authors

Recent publications by Dr. Kobaivanova

See all 3 publications and co-authors

See who Dr. Kobaivanova researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kobaivanova works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Nana Kobaivanova received $271 in industry payments from 2017 to 2025

CMS Open Payments shows 4 general payments to Dr. Kobaivanova from 4 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $121.

General payments to Dr. Kobaivanova by program year, 2017 to 2025

Companies that paid Dr. Kobaivanova the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Kobaivanova

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Nana Kobaivanova's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Nana Kobaivanova

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. Nana Kobaivanova's NPI number?

Dr. Nana Kobaivanova's NPI number is 1447208640. It was assigned on May 4, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Nana Kobaivanova?

Dr. Nana Kobaivanova is an internist in Cleveland, Ohio. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Nana Kobaivanova practice?

Dr. Kobaivanova practices at 9500 Euclid Avenue, Cleveland, OH 44195. Dr. Kobaivanova's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Dmand AI also links Dr. Kobaivanova to 1 hospital, 2 clinical labs and 1 group practice or clinic.

What is Dr. Nana Kobaivanova's office phone number?

The practice phone on file for Dr. Kobaivanova is (216) 952-9829.

What is Dr. Nana Kobaivanova's medical license number?

Dr. Kobaivanova holds Ohio license 35081513.

Which hospitals is Dr. Nana Kobaivanova affiliated with?

Dr. Kobaivanova practices at Cleveland Clinic Main Campus in Cleveland, Ohio. Dr. Kobaivanova is also affiliated with Hillcrest Hospital. Dmand AI links Dr. Kobaivanova to 1 more hospital.

What medical group is Dr. Nana Kobaivanova part of?

Dr. Kobaivanova is linked to Cleveland Clinic.

Does Dr. Nana Kobaivanova accept Medicare?

Yes. CMS data shows Dr. Kobaivanova billed Medicare for 326 services in 2024, and Dr. Kobaivanova accepts Medicare assignment.

How many Medicare patients does Dr. Nana Kobaivanova see?

CMS counts 113 Medicare patients who saw Dr. Kobaivanova in 2024, with an average age of 74.

What services does Dr. Nana Kobaivanova bill to Medicare?

In 2024, Dr. Kobaivanova's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99215).

Show 5 more questionsShow fewer questions

What drugs does Dr. Nana Kobaivanova prescribe most?

In 2024 Medicare Part D data, Dr. Kobaivanova's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Albuterol Sulfate Hfa.

Has Dr. Nana Kobaivanova received payments from drug or device companies?

CMS Open Payments shows $271 in general payments to Dr. Kobaivanova from 4 companies from 2017 to 2025. The largest total came from Amgen Inc.

How long has Dr. Nana Kobaivanova been practicing?

Dr. Kobaivanova graduated from medical school in 1997, 29 years ago.

Does Dr. Nana Kobaivanova do research?

Dmand AI links 3 publications to Dr. Kobaivanova, published from 2017 to 2021.

Who does Dr. Nana Kobaivanova publish with?

Dr. Kobaivanova's most frequent co-authors are Andrei C. Brateanu, MD (2 shared papers), Thomas J. Barwacz, MD (1 shared paper) and Shari Danielle Bolen, MD (1 shared paper).

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