Kathleen Ruth Piazza, D.O.
Obstetrics & Gynecology Physician · Toledo, OH
Kathleen Ruth Piazza, D.O. is an obstetrics & gynecology physician with a practice address in Toledo, Ohio, and NPI 1710340427, issued on Mar 30, 2016. Check the license (Ohio 34.014435, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Kathleen Ruth Piazza
- Credential
- D.O.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 34.014435 OH
Self-reported in NPPES; status is on the state search - Practice location
- 4126 N Holland Sylvania RD Ste 220, Toledo, OH 43623
- Phone
- (419) 517-7665
- Enumerated
- Mar 30, 2016
- Record last updated
- Jan 7, 2022
- Fax
- (419) 517-7598
- Medicare enrollment
- Enrolled (PECOS I20200817003762); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,572 in Ohio → Look up another NPI →
Also registered at 4126 N Holland Sylvania RD Ste 220
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hillary AdamsPediatric Nurse Practitioner1114575172
- Marilyn Agee, MDFamily Medicine Physician1306841598
- Suvarna Bhandaru, M.D.Pediatrics Physician1417934043
- Brianna Bumbaugh, MSN, APRN, FNP-CFamily Nurse Practitioner1609546779
- Tara Frick, MA, PCMental Health Counselor1730514886
- Salman Imam, MDFamily Medicine Physician1396440533
Verify Kathleen Ruth Piazza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 34.014435Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
82 Medicare Part D claims for 39 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol13 claims
- Alendronate Sodium11 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: $286.53
9 payments; by number, the most common kind was food and beverage; the largest payer was Organon Llc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Mercy Health Physicians North Specialty Care LLCToledo, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathleen Ruth Piazza among 1,572 obstetrics & gynecology physician records in Ohio
Kathleen Ruth Piazza, D.O. is one of 1,572 obstetrics & gynecology physician records with a practice address in Ohio. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 81% of them.
- NPI issued2016 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2016 · median 2004 among the 1,041 with a school on file
- Record last updated2022 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Ohio
There are 1,572 obstetrics & gynecology physician records in Ohio.
All 1,572 in Ohio → Every provider in Toledo → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Karen Adams-Ferguson, M.D.Toledo, OH 436231518959253
- Stacy BeckToledo, OH 436231295851574
- Luigi D'Amato, MDToledo, OH 436231083613467
- Arika Knannlein, DOToledo, OH 436231639707276
- Kathryn Litt, M.D.Toledo, OH 436231891094082
- Lillian Miller, MDToledo, OH 436231740289495
- Hodon Mohamed, DOToledo, OH 436231609199314
- Joann Rolf-Andersen, MDToledo, OH 436231912906678
Common questions
What is Kathleen Ruth Piazza, D.O.'s NPI number?
Kathleen Ruth Piazza, D.O.'s National Provider Identifier (NPI) is 1710340427, issued on Mar 30, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Ruth Piazza, D.O. located?
The NPPES record lists a practice address at 4126 N Holland Sylvania RD Ste 220, Toledo, OH, 43623. Phone: (419) 517-7665. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Ruth Piazza, D.O.'s license?
NPPES lists Ohio license number 34.014435, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kathleen Ruth Piazza, D.O. prescribe under Medicare Part D?
In 2024, Kathleen Ruth Piazza, D.O. had 82 Medicare Part D claims for 39 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.