Dr. John F. Lewandowski, MD
- Medicare services, 2020
- 59
- Part D claims, 2020
- 79
- Industry payments
- $273
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 77 Bates St, Lewiston, ME 04240-7637
- Practice phone
- Call (207) 784-5784
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Lewandowski'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. John F. Lewandowski is a gastroenterologist in Lewiston, Maine
Dr. Lewandowski practices in Lewiston, Maine.
Dr. Lewandowski's NPI, 1952385171, was assigned on December 1, 2005. Dr. Lewandowski holds Maine license 12481.
- NPI
- 1952385171NPI Registry (opens in a new tab)
- NPI enumeration date
- December 1, 2005
- NPI status
- Active
- Practice phone
- (207) 784-5784
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. John F. Lewandowski's practice address is in Lewiston, Maine
Dr. Lewandowski's practice address in the NPI Registry is 77 Bates St, Lewiston, ME 04240-7637. The practice phone is (207) 784-5784.
- NPI Registry address77 Bates St, Lewiston, ME 04240-7637Phone(207) 784-5784
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. John F. Lewandowski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lewandowski practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Lewandowski's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John F. Lewandowski is one of 83 gastroenterologists in Maine
Gastroenterology is Dr. Lewandowski's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Lewandowski is licensed in Maine.
Specialties and state licenses
- Gastroenterology, MainePrimary
Gastroenterologists near Dr. Lewandowski
Counts of gastroenterologists 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. John F. Lewandowski billed Medicare for 59 services in 2020
CMS data shows 59 Medicare services from Dr. Lewandowski across 3 procedure codes in 2020. Medicare paid $7,019 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lewandowski's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Surgery
- 2019: 2842020: 5979%
- Other services
- 2019: 322020: 0100%
Dr. Lewandowski compared with the Maine median for gastroenterologists, 2020
- Dr. Lewandowski
- Maine median
- Medicare services
- 59vs 26978% below
- Part D claims
- 79vs 22164% below
Medians across 90 gastroenterologists in Maine with Dmand AI profiles that report each measure.
Dr. Lewandowski's most billed Medicare procedure codes, 2020
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. Lewandowski and other gastroenterologists in Maine.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John F. Lewandowski's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Lewandowski's median patient age at 61, with 50% women.
Dr. Lewandowski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. John F. Lewandowski wrote 79 Medicare Part D claims in 2020
In 2020, Dr. Lewandowski wrote 79 Medicare Part D claims. They cover 2 drugs, with $1,062 in total drug cost. In 2019, CMS named 298 claims across 2 drugs.
Dr. Lewandowski's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 2982020: 7973%
Drugs named by CMS: 2 in 2020, 2 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. John F. Lewandowski received $273 in industry payments from 2017 to 2025
CMS Open Payments shows 8 general payments to Dr. Lewandowski from 6 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Kerecis Limited paid the most, $94.
General payments to Dr. Lewandowski by program year, 2017 to 2025
Companies that paid Dr. Lewandowski the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John F. Lewandowski'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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. John F. Lewandowski
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. John F. Lewandowski's NPI number?
Dr. John F. Lewandowski's NPI number is 1952385171. It was assigned on December 1, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John F. Lewandowski?
Dr. John F. Lewandowski is a gastroenterologist in Lewiston, Maine. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. John F. Lewandowski practice?
Dr. Lewandowski practices at 77 Bates St, Lewiston, ME 04240-7637.
What is Dr. John F. Lewandowski's office phone number?
The practice phone on file for Dr. Lewandowski is (207) 784-5784.
What is Dr. John F. Lewandowski's medical license number?
Dr. Lewandowski holds Maine license 12481.
Does Dr. John F. Lewandowski accept Medicare?
Yes. CMS data shows Dr. Lewandowski billed Medicare for 59 services in 2020.
What services does Dr. John F. Lewandowski bill to Medicare?
In 2020, Dr. Lewandowski's most billed Medicare services were surgery: digestive system (43239), surgery: digestive system (45385) and surgery: digestive system (45378).
What drugs does Dr. John F. Lewandowski prescribe most?
In 2020 Medicare Part D data, Dr. Lewandowski's most prescribed drugs by claims were Peg 3350-Electrolyte and Gavilyte-C.
Has Dr. John F. Lewandowski received payments from drug or device companies?
CMS Open Payments shows $273 in general payments to Dr. Lewandowski from 6 companies from 2017 to 2025. The largest total came from Kerecis Limited.
How long has Dr. John F. Lewandowski been practicing?
Dr. Lewandowski's NPI was assigned in 2005.
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