Dr. Peter Walter Lementowski, MD
- Medicare services, 2024
- 395
- Medicare patients, 2024
- 165
- Part D claims, 2024
- 133
- Publications
- 3
- MIPS score, 2024
- 75
- Practice address
- 100 Woods Rd, Valhalla, NY 10595
- Practice phone
- Call (914) 493-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lementowski'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 Walter Lementowski is an adult reconstructive orthopaedic surgery physician in Valhalla, New York
Dr. Lementowski practices at Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network.
Dr. Lementowski's NPI, 1942366943, was assigned on December 28, 2006. Dr. Lementowski graduated from Georgetown University School Of Medicine in 2001. Dr. Lementowski holds New York license 245136.
- NPI
- 1942366943NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305923061
- NPI enumeration date
- December 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (914) 493-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter Walter Lementowski practices at Westchester Medical Center in Valhalla, New York
Dr. Lementowski's primary practice is Westchester Medical Center, at 100 Woods Rd, Valhalla, NY 10595 in Westchester County. The practice phone is (914) 493-7000.
- Westchester Medical Center100 Woods Rd, Valhalla, NY 10595 · Westchester CountyPhone(914) 493-7000
Source: Dmand AI Affiliation Data
Dr. Peter Walter Lementowski is affiliated with 2 sites of care and 2 medical groups
Dr. Lementowski's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network. Dr. Lementowski is also affiliated with Burke Rehabilitation Hospital. The medical group on file is Westchester Medical Center Advanced Physician Services. Dmand AI also links Dr. Lementowski to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Peter Walter Lementowski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lementowski practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Westchester Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter Walter Lementowski is one of 88 adult reconstructive orthopaedic surgery physicians in New York
Adult reconstructive orthopaedic surgery is Dr. Lementowski's primary specialty in the NPI Registry, under taxonomy code 207XS0114X. Dmand AI has Dr. Lementowski's licenses on file in 2 states: New York and Pennsylvania.
Specialties and state licenses
- Adult reconstructive orthopaedic surgery, New YorkPrimary
- Pennsylvania license
Adult reconstructive orthopaedic surgery physicians near Dr. Lementowski
Counts of adult reconstructive orthopaedic surgery physicians 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 Walter Lementowski billed Medicare for 395 services in 2024
CMS data shows 395 Medicare services from Dr. Lementowski across 8 procedure codes in 2024, for 165 Medicare patients. Medicare paid $47,848 for them.
Dr. Lementowski's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2012024: 26331%
- Surgery
- 2023: 842024: 13257%
- Lab and pathology
- 2023: 422024: 0100%
Where Dr. Lementowski's Medicare services took place, 2024
- In an office38196%
- In a facility144%
Dr. Lementowski compared with the New York median for adult reconstructive orthopaedic surgery physicians, 2024
- Dr. Lementowski
- New York median
- Medicare services
- 395vs 1,69777% below
- Medicare patients
- 165vs 34652% below
- Part D claims
- 104vs 15734% below
Medians across 83 adult reconstructive orthopaedic surgery physicians in New York with Dmand AI profiles that report each measure.
Dr. Lementowski'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.
Need commercial claims for Dr. Lementowski?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lementowski and other adult reconstructive orthopaedic surgery physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter Walter Lementowski treated 165 Medicare patients in 2024, average age 74
CMS counts 165 Medicare patients who saw Dr. Lementowski in 2024. The largest group is 65 to 74, with 76 patients. 75% of them have arthritis, and 75% have high blood pressure. 21% are also on Medicaid. Their average risk score is 1.71, 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. Lementowski's median patient age at 68, with 53% women.
Dr. Lementowski's Medicare patients by age, 2024
Dr. Lementowski's Medicare patients by sex, 2024
- Women9457%
- Men7143%
Chronic conditions among Dr. Lementowski's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Anxiety36%
- Ischemic heart disease35%
- Diabetes30%
- Mood disorders27%
- Osteoporosis25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lementowski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women53%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter Walter Lementowski wrote 133 Medicare Part D claims in 2024
In 2024, Dr. Lementowski wrote 133 Medicare Part D claims for 59 patients. 87% of them were for generic drugs. CMS names the drug for 104 of them, across 4 drugs with 11 or more claims each, at $1,553 in total drug cost. In 2023, CMS named 73 claims across 2 drugs.
Dr. Lementowski's Part D claims by kind of drug, 2024
- Generic116 claims87%
- Brand-name17 claims13%
Dr. Lementowski'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. Lementowski's Part D claims, 2024
- Opioids29%38 of 133 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: 732024: 10442%
Drugs named by CMS: 4 in 2024, 2 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
Dr. Peter Walter Lementowski scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Lementowski for performance year 2024, reported as part of a group. Dr. Lementowski accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 35 procedures of hip replacement by Dr. Lementowski, more than 80% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Lementowski ranks in Medicare procedure volume
- Hip replacement
- 80th percentile35 procedures
- Knee replacement
- 41st percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Peter Walter Lementowski has 3 publications on record
Dmand AI links 3 papers to Dr. Lementowski, published from 2011 to 2024. Dr. Lementowski has published most often in Cureus. Dr. Lementowski's most frequent co-authors are Michael Paul Ast, MD, Frank Rosario Dimaio, MD and Justin Matthew Lapow, MD.
Dr. Lementowski's papers by year, 2011 to 2024
Dr. Lementowski's most frequent co-authors
- Michael Paul Ast, MD1 shared paper
- Frank Rosario Dimaio, MD1 shared paper
- Justin Matthew Lapow, MD1 shared paper
Recent publications by Dr. Lementowski
Orthopedics
See who Dr. Lementowski researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lementowski works with, so you can find a warm path to the right adult reconstructive orthopaedic surgery physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Peter Walter Lementowski received $12,791 in industry payments from 2016 to 2025
CMS Open Payments shows 151 general payments to Dr. Lementowski from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 73% of the total. Zimmer Biomet Holdings, Inc. paid the most, $4,984.
General payments to Dr. Lementowski by program year, 2016 to 2025
General payments to Dr. Lementowski by kind, 2016 to 2025
- Food and beverage$9,33073%
- Travel and lodging$3,46127%
Companies that paid Dr. Lementowski the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Peter Walter Lementowski graduated from Georgetown University School Of Medicine
Dr. Lementowski graduated from Georgetown University School Of Medicine in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Peter Walter Lementowski'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Walter Lementowski
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 Walter Lementowski's NPI number?
Dr. Peter Walter Lementowski's NPI number is 1942366943. It was assigned on December 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter Walter Lementowski?
Dr. Peter Walter Lementowski is an adult reconstructive orthopaedic surgery physician in Valhalla, New York. The primary specialty in the NPI Registry is Adult Reconstructive Orthopaedic Surgery Physician (taxonomy code 207XS0114X).
Where does Dr. Peter Walter Lementowski practice?
Dr. Lementowski practices at 100 Woods Rd, Valhalla, NY 10595. Dr. Lementowski's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network. Dmand AI also links Dr. Lementowski to 1 medical group.
What is Dr. Peter Walter Lementowski's office phone number?
The practice phone on file for Dr. Lementowski is (914) 493-7000.
What is Dr. Peter Walter Lementowski's medical license number?
Dr. Lementowski holds New York license 245136, one of the licenses on file in 2 states.
Which states has Dr. Peter Walter Lementowski been licensed in?
Dmand AI has state licenses on file for Dr. Lementowski in New York and Pennsylvania.
Which hospitals is Dr. Peter Walter Lementowski affiliated with?
Dr. Lementowski practices at Westchester Medical Center in Valhalla, New York. Dr. Lementowski is also affiliated with Burke Rehabilitation Hospital.
What medical group is Dr. Peter Walter Lementowski part of?
Dr. Lementowski is linked to Westchester Medical Center Advanced Physician Services. Dmand AI links Dr. Lementowski to 1 more medical group.
Does Dr. Peter Walter Lementowski accept Medicare?
Yes. CMS data shows Dr. Lementowski billed Medicare for 395 services in 2024, and Dr. Lementowski accepts Medicare assignment.
What is Dr. Peter Walter Lementowski's MIPS score?
Dr. Lementowski's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Peter Walter Lementowski see?
CMS counts 165 Medicare patients who saw Dr. Lementowski in 2024, with an average age of 74.
What services does Dr. Peter Walter Lementowski bill to Medicare?
In 2024, Dr. Lementowski's most billed Medicare services were surgery: bones and joints (20610), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Peter Walter Lementowski go to medical school?
Dr. Lementowski graduated from Georgetown University School Of Medicine in 2001.
What drugs does Dr. Peter Walter Lementowski prescribe most?
In 2024 Medicare Part D data, Dr. Lementowski's most prescribed drugs by claims were Mupirocin, Oxycodone HCl and Celecoxib.
Has Dr. Peter Walter Lementowski received payments from drug or device companies?
CMS Open Payments shows $12,791 in general payments to Dr. Lementowski from 20 companies from 2016 to 2025. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. Peter Walter Lementowski been practicing?
Dr. Lementowski graduated from medical school in 2001, 25 years ago.
Does Dr. Peter Walter Lementowski do research?
Dmand AI links 3 publications to Dr. Lementowski, published from 2011 to 2024.
Who does Dr. Peter Walter Lementowski publish with?
Dr. Lementowski's most frequent co-authors are Michael Paul Ast, MD (1 shared paper), Frank Rosario Dimaio, MD (1 shared paper) and Justin Matthew Lapow, MD (1 shared paper).
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