Dr. Peter W. Lachiewicz, DO
- Medicare services, 2022
- 90
- Part D claims, 2023
- 16
- Industry payments
- $2,726
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 855 Market Street, Lima, OH 45805
- Practice phone
- Call (419) 228-9991
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Eye Surgery Center of Western Ohio
Surgery Center - Medicare-Certified · Lima, Ohio
Find Dr. Lachiewicz's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Peter W. Lachiewicz is an OB-GYN in Lima, Ohio
Dr. Lachiewicz practices at Eye Surgery Center of Western Ohio in Lima, Ohio.
Dr. Lachiewicz's NPI, 1528035912, was assigned on March 3, 2006. Dr. Lachiewicz holds Ohio license 34003993.
- NPI
- 1528035912NPI Registry (opens in a new tab)
- NPI enumeration date
- March 3, 2006
- NPI status
- Active
- Practice phone
- (419) 228-9991
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Peter W. Lachiewicz practices at Eye Surgery Center of Western Ohio in Lima, Ohio
Dr. Lachiewicz's primary practice is Eye Surgery Center of Western Ohio, at 855 Market Street, Lima, OH 45805. The practice phone is (419) 228-9991.
- Eye Surgery Center of Western Ohio855 Market Street, Lima, OH 45805Phone(419) 228-9991
Source: Dmand AI Affiliation Data
Dr. Peter W. Lachiewicz is affiliated with 1 site of care and 1 medical group
Dr. Lachiewicz's primary practice is Eye Surgery Center of Western Ohio in Lima, Ohio. Dmand AI also links Dr. Lachiewicz to 1 medical group, named with a free account. Dr. Lachiewicz's employer is on file too: a surgery center (asc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Peter W. Lachiewicz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lachiewicz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Eye Surgery Center of Western Ohio | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter W. Lachiewicz is one of 1,380 OB-GYNs in Ohio
Obstetrics and gynecology is Dr. Lachiewicz's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Lachiewicz is licensed in Ohio.
Specialties and state licenses
- Obstetrics and gynecology, OhioPrimary
OB-GYNs near Dr. Lachiewicz
Counts of OB-GYNs 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. Peter W. Lachiewicz billed Medicare for 90 services in 2022
CMS data shows 90 Medicare services from Dr. Lachiewicz across 4 procedure codes in 2022. Medicare paid $4,664 for them. Every service was in an office.
Dr. Lachiewicz's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 712022: 5424%
- Other services
- 2021: 02022: 36
- Tests and treatments
- 2021: 192022: 0100%
Dr. Lachiewicz compared with the Ohio median for OB-GYNs, 2022
- Dr. Lachiewicz
- Ohio median
- Medicare services
- 90vs 452.0 times
- Part D claims
- 16vs 4161% below
Medians across 1,278 OB-GYNs in Ohio with Dmand AI profiles that report each measure.
Dr. Lachiewicz's most billed Medicare procedure codes, 2022
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. Lachiewicz and other OB-GYNs in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter W. Lachiewicz's patients have a median age of 44
Across all payers, Dmand AI patient panel data puts Dr. Lachiewicz's median patient age at 44, with 100% women.
Dr. Lachiewicz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Peter W. Lachiewicz wrote 16 Medicare Part D claims in 2023
In 2023, Dr. Lachiewicz wrote 16 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $2,668 in total drug cost. In 2022, CMS named 105 claims across 6 drugs.
Dr. Lachiewicz's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 1052023: 1685%
Drugs named by CMS: 1 in 2023, 6 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Peter W. Lachiewicz received $2,726 in industry payments from 2016 to 2023
CMS Open Payments shows 140 general payments to Dr. Lachiewicz from 26 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 96% of the total. Abbvie Inc. paid the most, $848.
General payments to Dr. Lachiewicz by program year, 2016 to 2023
General payments to Dr. Lachiewicz by kind, 2016 to 2023
- Food and beverage$2,61096%
- Consulting fees$1004%
- Education$161%
Companies that paid Dr. Lachiewicz the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Peter W. Lachiewicz'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Peter W. Lachiewicz
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. Peter W. Lachiewicz's NPI number?
Dr. Peter W. Lachiewicz's NPI number is 1528035912. It was assigned on March 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter W. Lachiewicz?
Dr. Peter W. Lachiewicz is an OB-GYN in Lima, Ohio. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Peter W. Lachiewicz practice?
Dr. Lachiewicz practices at 855 Market Street, Lima, OH 45805. Dr. Lachiewicz's primary practice is Eye Surgery Center of Western Ohio in Lima, Ohio. Dmand AI also links Dr. Lachiewicz to 1 medical group.
What is Dr. Peter W. Lachiewicz's office phone number?
The practice phone on file for Dr. Lachiewicz is (419) 228-9991.
What is Dr. Peter W. Lachiewicz's medical license number?
Dr. Lachiewicz holds Ohio license 34003993.
Does Dr. Peter W. Lachiewicz accept Medicare?
Yes. CMS data shows Dr. Lachiewicz billed Medicare for 90 services in 2022.
What services does Dr. Peter W. Lachiewicz bill to Medicare?
In 2022, Dr. Lachiewicz's most billed Medicare services were office visit, established patient (99213), medicare service (G0101) and medicare temporary code (Q0091).
What drugs does Dr. Peter W. Lachiewicz prescribe most?
In 2023 Medicare Part D data, Dr. Lachiewicz's most prescribed drugs by claims were Estradiol.
Has Dr. Peter W. Lachiewicz received payments from drug or device companies?
CMS Open Payments shows $2,726 in general payments to Dr. Lachiewicz from 26 companies from 2016 to 2023. The largest total came from Abbvie Inc.
How long has Dr. Peter W. Lachiewicz been practicing?
Dr. Lachiewicz graduated from medical school in 1985, 41 years ago.
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