Dr. Katherine Irene Tatar, MD
- Medicare services, 2024
- 56
- Medicare patients, 2024
- 45
- Part D claims, 2024
- 648
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 525 East Market Street, Akron, OH 44309
- Practice phone
- Call (330) 375-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tatar's professional email, personal email and mobile number
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Dr. Katherine Irene Tatar is an internist in Akron, Ohio
Dr. Tatar practices at Summa Health System - Akron Campus in Akron, Ohio, part of General Catalyst.
Dr. Tatar's NPI, 1881012284, was assigned on April 2, 2014. Dr. Tatar holds Ohio license 35.129923.
- NPI
- 1881012284NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234355330
- NPI enumeration date
- April 2, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (330) 375-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Katherine Irene Tatar practices at Summa Health System - Akron Campus in Akron, Ohio
Dr. Tatar's primary practice is Summa Health System - Akron Campus, at 525 East Market Street, Akron, OH 44309 in Summit County. The practice phone is (330) 375-3000.
- Summa Health System - Akron Campus525 East Market Street, Akron, OH 44309 · Summit CountyPhone(330) 375-3000
Source: Dmand AI Affiliation Data
Dr. Katherine Irene Tatar is affiliated with 2 sites of care and 1 medical group
Dr. Tatar's primary practice is Summa Health System - Akron Campus in Akron, Ohio, part of General Catalyst. The medical group on file is Summa Health Medical Group. Dmand AI also links Dr. Tatar to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Katherine Irene Tatar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tatar practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Summa Health System - Akron Campus | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Katherine Irene Tatar is one of 4,708 internists in Ohio
Internal medicine is Dr. Tatar's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tatar is licensed in Ohio.
Specialties and state licenses
- Internal medicine, OhioPrimary
Internists near Dr. Tatar
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. Katherine Irene Tatar billed Medicare for 56 services in 2024
CMS data shows 56 Medicare services from Dr. Tatar across 2 procedure codes in 2024, for 45 Medicare patients. Medicare paid $2,980 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Tatar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 742024: 5624%
Dr. Tatar compared with the Ohio median for internists, 2024
- Dr. Tatar
- Ohio median
- Medicare services
- 56vs 48789% below
- Medicare patients
- 45vs 19277% below
- Part D claims
- 357vs 29421% above
Medians across 4,703 internists in Ohio with Dmand AI profiles that report each measure.
Dr. Tatar'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tatar and other internists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Katherine Irene Tatar treated 45 Medicare patients in 2024, average age 66
CMS counts 45 Medicare patients who saw Dr. Tatar in 2024. The largest group is 65 to 74, with 21 patients. 75% of them have high blood pressure, and 56% have high cholesterol. 49% are also on Medicaid. Their average risk score is 2.01, 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. Tatar's median patient age at 67, with 59% women.
Dr. Tatar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Tatar's Medicare patients by sex, 2024
- Women2556%
- Men2044%
Chronic conditions among Dr. Tatar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol56%
- Mood disorders42%
- Diabetes40%
- Anxiety36%
- Depression36%
- Arthritis33%
- Chronic kidney disease33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tatar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women59%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Katherine Irene Tatar wrote 648 Medicare Part D claims in 2024
In 2024, Dr. Tatar wrote 648 Medicare Part D claims for 50 patients. 82% of them were for generic drugs. CMS names the drug for 357 of them, across 15 drugs with 11 or more claims each, at $19,164 in total drug cost. In 2023, CMS named 479 claims across 22 drugs.
Dr. Tatar's Part D claims by kind of drug, 2024
- Generic532 claims82%
- Brand-name104 claims16%
- Other12 claims2%
Dr. Tatar'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. Tatar's Part D claims, 2024
- Antibiotics2%11 of 648 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: 4792024: 35725%
Drugs named by CMS: 15 in 2024, 22 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
How Dr. Katherine Irene Tatar takes part in Medicare
Dr. Tatar 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. Katherine Irene Tatar has 1 publication on record
Dmand AI links 1 paper to Dr. Tatar in 2023.
Recent publications by Dr. Tatar
See who Dr. Tatar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tatar works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Katherine Irene Tatar'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Katherine Irene Tatar
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. Katherine Irene Tatar's NPI number?
Dr. Katherine Irene Tatar's NPI number is 1881012284. It was assigned on April 2, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine Irene Tatar?
Dr. Katherine Irene Tatar is an internist in Akron, Ohio. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Katherine Irene Tatar practice?
Dr. Tatar practices at 525 East Market Street, Akron, OH 44309. Dr. Tatar's primary practice is Summa Health System - Akron Campus in Akron, Ohio, part of General Catalyst. Dmand AI also links Dr. Tatar to 1 group practice or clinic.
What is Dr. Katherine Irene Tatar's office phone number?
The practice phone on file for Dr. Tatar is (330) 375-3000.
What is Dr. Katherine Irene Tatar's medical license number?
Dr. Tatar holds Ohio license 35.129923.
Which hospitals is Dr. Katherine Irene Tatar affiliated with?
Dr. Tatar practices at Summa Health System - Akron Campus in Akron, Ohio.
What medical group is Dr. Katherine Irene Tatar part of?
Dr. Tatar is linked to Summa Health Medical Group.
Does Dr. Katherine Irene Tatar accept Medicare?
Yes. CMS data shows Dr. Tatar billed Medicare for 56 services in 2024, and Dr. Tatar accepts Medicare assignment.
How many Medicare patients does Dr. Katherine Irene Tatar see?
CMS counts 45 Medicare patients who saw Dr. Tatar in 2024, with an average age of 66.
What services does Dr. Katherine Irene Tatar bill to Medicare?
In 2024, Dr. Tatar's most billed Medicare services were hospital inpatient care (99232) and office visit, established patient (99214).
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What drugs does Dr. Katherine Irene Tatar prescribe most?
In 2024 Medicare Part D data, Dr. Tatar's most prescribed drugs by claims were Amlodipine Besylate, Fluticasone Propionate and Gabapentin.
How long has Dr. Katherine Irene Tatar been practicing?
Dr. Tatar graduated from medical school in 2014, 12 years ago.
Does Dr. Katherine Irene Tatar do research?
Dmand AI links 1 publication to Dr. Tatar.
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