Dr. Chad Alan Lachance, MD
- Medicare services, 2023
- 225
- Part D claims, 2022
- 16
- MIPS score, 2024
- 85
- Hospital affiliations
- 1
- Industry payments
- $12
- Practice address
- 300 Main Street, Lewiston, ME 04240
- Practice phone
- Call (207) 795-0111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Chad Alan Lachance is an internist in Lewiston, Maine
Dr. Lachance practices at Central Maine Medical Center in Lewiston, Maine, part of Prime Healthcare Services.
Dr. Lachance's NPI, 1558576462, was assigned on May 14, 2007. Dr. Lachance graduated from University of Alabama School of Medicine in 2005. Dr. Lachance holds Maine license MD19421.
- NPI
- 1558576462NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921164351
- NPI enumeration date
- May 14, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (207) 795-0111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chad Alan Lachance practices at Central Maine Medical Center in Lewiston, Maine
Dr. Lachance's primary practice is Central Maine Medical Center, at 300 Main Street, Lewiston, ME 04240 in Androscoggin County. The practice phone is (207) 795-0111.
- Central Maine Medical Center300 Main Street, Lewiston, ME 04240 · Androscoggin CountyPhone(207) 795-0111
Source: Dmand AI Affiliation Data
Dr. Chad Alan Lachance is affiliated with 1 site of care and 3 medical groups
Dr. Lachance's primary practice is Central Maine Medical Center in Lewiston, Maine, part of Prime Healthcare Services. The medical group on file is Central Maine Medical Center. Dmand AI also links Dr. Lachance to 2 more medical groups, each named with a free account. Dr. Lachance's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Chad Alan Lachance's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lachance practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Central Maine Medical Center | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chad Alan Lachance is one of 572 internists in Maine
Internal medicine is Dr. Lachance's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lachance is licensed in Maine.
Specialties and state licenses
- Internal medicine, MainePrimary
Internists near Dr. Lachance
Counts of internists 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. Chad Alan Lachance billed Medicare for 225 services in 2023
CMS data shows 225 Medicare services from Dr. Lachance across 5 procedure codes in 2023. Medicare paid $17,383 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lachance's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 3102023: 22527%
Dr. Lachance compared with the Maine median for internists, 2023
- Dr. Lachance
- Maine median
- Medicare services
- 225vs 31428% below
- Part D claims
- 16vs 21192% below
Medians across 600 internists in Maine with Dmand AI profiles that report each measure.
Dr. Lachance's most billed Medicare procedure codes, 2023
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. Lachance and other internists in Maine.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chad Alan Lachance's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Dr. Lachance's median patient age at 76, with 43% women.
Dr. Lachance's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women43%
- Men57%
Source: Dmand AI Patient Panel Data
Dr. Chad Alan Lachance wrote 16 Medicare Part D claims in 2022
In 2022, Dr. Lachance wrote 16 Medicare Part D claims. They cover 1 drug, with $187 in total drug cost. In 2021, CMS named 30 claims across 2 drugs.
Dr. Lachance's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 302022: 1647%
Drugs named by CMS: 1 in 2022, 2 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Chad Alan Lachance scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Lachance for performance year 2024, reported as part of a group. Dr. Lachance accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Lachance's MIPS scores, performance year 2024
- 85of 100Final score
- 60of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Chad Alan Lachance received $12 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Lachance from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $12.
Companies that paid Dr. Lachance the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Chad Alan Lachance graduated from University of Alabama School of Medicine
Dr. Lachance graduated from University of Alabama School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Chad Alan Lachance'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) |
| 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) |
| 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. Chad Alan Lachance
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. Chad Alan Lachance's NPI number?
Dr. Chad Alan Lachance's NPI number is 1558576462. It was assigned on May 14, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Chad Alan Lachance?
Dr. Chad Alan Lachance is an internist in Lewiston, Maine. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Chad Alan Lachance practice?
Dr. Lachance practices at 300 Main Street, Lewiston, ME 04240. Dr. Lachance's primary practice is Central Maine Medical Center in Lewiston, Maine, part of Prime Healthcare Services. Dmand AI also links Dr. Lachance to 2 medical groups.
What is Dr. Chad Alan Lachance's office phone number?
The practice phone on file for Dr. Lachance is (207) 795-0111.
What is Dr. Chad Alan Lachance's medical license number?
Dr. Lachance holds Maine license MD19421.
Which hospitals is Dr. Chad Alan Lachance affiliated with?
Dr. Lachance practices at Central Maine Medical Center in Lewiston, Maine.
What medical group is Dr. Chad Alan Lachance part of?
Dr. Lachance is linked to Central Maine Medical Center. Dmand AI links Dr. Lachance to 2 more medical groups.
Does Dr. Chad Alan Lachance accept Medicare?
Yes. CMS data shows Dr. Lachance billed Medicare for 225 services in 2023, and Dr. Lachance accepts Medicare assignment.
What is Dr. Chad Alan Lachance's MIPS score?
Dr. Lachance's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
What services does Dr. Chad Alan Lachance bill to Medicare?
In 2023, Dr. Lachance's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
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Where did Dr. Chad Alan Lachance go to medical school?
Dr. Lachance graduated from University of Alabama School of Medicine in 2005.
What drugs does Dr. Chad Alan Lachance prescribe most?
In 2022 Medicare Part D data, Dr. Lachance's most prescribed drugs by claims were Clopidogrel.
Has Dr. Chad Alan Lachance received payments from drug or device companies?
CMS Open Payments shows $12 in general payments to Dr. Lachance from 1 company from 2017 to 2017. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Chad Alan Lachance been practicing?
Dr. Lachance graduated from medical school in 2005, 21 years ago.
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