Phaedra Maria Tachtatzis, MD
Hepatology Physician · Milwaukee, WI
Phaedra Maria Tachtatzis, MD is a hepatology physician with a practice address in Milwaukee, Wisconsin, and NPI 1801672282, issued on Sep 1, 2023. Check the license (Wisconsin 10-876, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Phaedra Maria Tachtatzis
- Credential
- MD
- Primary taxonomy
- Hepatology Physician 207RI0008X
- License number
- 10-876 WI
Self-reported in NPPES; status is on the state search - Practice location
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 805-3310
- Enumerated
- Sep 1, 2023
- Record last updated
- Nov 17, 2023
- Fax
- (414) 805-3885
- Medicaid ID
- 1801672282 WI
- Medicare enrollment
- Enrolled (PECOS I20231004003363); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hepatology physician records → All 11 in Wisconsin → Look up another NPI →
Also registered at 9200 W Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sameem Abedin, MDHematology & Oncology Physician1063641157
- Lolia Abibo, M.D.Hospitalist Physician1912359795
- Haisam Abid, MBBSHospitalist Physician1578083184
- Faith Abodunrin, MDHematology & Oncology Physician1437768769
Verify Phaedra Maria Tachtatzis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 10-876Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average hepatology physician in 2024
150 Medicare Part D claims for 42 beneficiaries, against an average of 762 among the 228 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Spironolactone20 claims
- Xifaxan15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $292.77
3 payments; by number, the most common kind was food and beverage; the largest payer was Mallinckrodt Hospital Products Inc. The 177 providers of this specialty with any payment received $18,492.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Medical College OF Wisconsin IncMilwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Phaedra Maria Tachtatzis among 11 hepatology physician records in Wisconsin
Phaedra Maria Tachtatzis, MD is one of 11 hepatology physician records with a practice address in Wisconsin. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 91% of them.
- NPI issued2023 · 91% of these records are older, 0% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 91% of these records are
- Graduated1999 · median 2004 among the 10 with a school on file
- Record last updated2023 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0008X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hepatology Physician providers in Wisconsin
There are 11 hepatology physician records in Wisconsin.
All 11 in Wisconsin → Every provider in Milwaukee → Hepatology Physician nationwide →
The 8 hepatology physician records with the nearest ZIP codes
- Shiva Kumar, MDMilwaukee, WI 532151407896996
- Siddesh Besur, MDMilwaukee, WI 532011467653279
- Parul Agarwal, M.D.Madison, WI 537051518925965
- Nicole Boschuetz, M.D.Madison, WI 537051033506910
- Kimberly Daniel, M.D.Madison, WI 537051013205202
- Margarita German, M.D.Madison, WI 537051356606206
- Jessica Musto, M.D.Madison, WI 537051689087371
- Michael Lucey, MDMadison, WI 537171699741611
Common questions
What is Phaedra Maria Tachtatzis, MD's NPI number?
Phaedra Maria Tachtatzis, MD's National Provider Identifier (NPI) is 1801672282, issued on Sep 1, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Phaedra Maria Tachtatzis, MD located?
The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-3310. Providers update this record themselves, so call before visiting.
How can I verify Phaedra Maria Tachtatzis, MD's license?
NPPES lists Wisconsin license number 10-876, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Phaedra Maria Tachtatzis, MD prescribe under Medicare Part D?
In 2024, Phaedra Maria Tachtatzis, MD had 150 Medicare Part D claims for 42 beneficiaries; the average among hepatology physician prescribers was 762. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.