Katelyn Marie Bonar Zachau, D.O.
Family Medicine Physician · Manchester, CT
Katelyn Marie Bonar Zachau, D.O. is a family medicine physician with a practice address in Manchester, Connecticut, and NPI 1932543592, issued on Apr 24, 2013. Check the license (Connecticut 1.055300, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Katelyn Marie Bonar Zachau
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 1.055300 CT
Self-reported in NPPES; status is on the state search - Practice location
- 315 E Center St, Manchester, CT 06040
- Phone
- (860) 533-0179
- Enumerated
- Apr 24, 2013
- Record last updated
- Feb 10, 2026
- Medicare enrollment
- Enrolled (PECOS I20160826000357); accepts Medicare assignment
- Medical or professional school
- Lincoln Memorial University Medical Department, 2013
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 958 in Connecticut → Look up another NPI →
Also registered at 315 E Center St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katelyn Marie Bonar Zachau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 1.055300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average family medicine physician in 2024
1,019 Medicare Part D claims for 251 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Levothyroxine Sodium89 claims
- Atorvastatin Calcium59 claims
- Lisinopril50 claims
- Amlodipine Besylate39 claims
- Losartan Potassium32 claims
- Armour Thyroid30 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: $21.21
1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 55,478 providers of this specialty with any payment received $902.55 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 2 group practices
- Collins Medical Associates 2 PCRocky Hill, CT
- Prospect CT Medical Foundation IncManchester, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katelyn Marie Bonar Zachau among 958 family medicine physician records in Connecticut
Katelyn Marie Bonar Zachau, D.O. is one of 958 family medicine physician records with a practice address in Connecticut. 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 2013, is newer than 65% of them.
- NPI issued2013 · 65% of these records are older, 33% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2013 · median 2009 among the 611 with a school on file
- Record last updated2026 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 family medicine physician records list a practice address in Manchester
They are 38 of the 2,184 NPPES records with a practice address in Manchester, and 958 family medicine physician records in Connecticut.
All 958 in Connecticut → Every provider in Manchester → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Gordon Brodie, M.DManchester, CT 060401114995016
- Karen Cadman, M.D.Manchester, CT 060401437127370
- Navin Gazi, MD, MBBSManchester, CT 060401508183146
- Tricia Hall, D.O.Manchester, CT 060401962714022
- Minh Han, MDManchester, CT 060401881605178
- Quazi Islam, MDManchester, CT 060401023111879
- Martin KeibelManchester, CT 060401427067339
- Remi Mathews, M.D.Manchester, CT 060401407054794
Common questions
What is Katelyn Marie Bonar Zachau, D.O.'s NPI number?
Katelyn Marie Bonar Zachau, D.O.'s National Provider Identifier (NPI) is 1932543592, issued on Apr 24, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Katelyn Marie Bonar Zachau, D.O. located?
The NPPES record lists a practice address at 315 E Center St, Manchester, CT, 06040. Phone: (860) 533-0179. Providers update this record themselves, so call before visiting.
How can I verify Katelyn Marie Bonar Zachau, D.O.'s license?
NPPES lists Connecticut license number 1.055300, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katelyn Marie Bonar Zachau, D.O. prescribe under Medicare Part D?
In 2024, Katelyn Marie Bonar Zachau, D.O. had 1,019 Medicare Part D claims for 251 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.