Dr. Gerald Guy Lachance, DO
- Medicare services, 2024
- 92
- Medicare patients, 2024
- 47
- Part D claims, 2024
- 8,602
- Publications
- 3
- Hospital affiliations
- 2
- Practice address
- 1360 Brickyard Rd, Chipley, FL 32428
- Practice phone
- Call (850) 638-1610
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lachance'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. Gerald Guy Lachance is a family medicine physician in Chipley, Florida
Dr. Lachance practices at Northwest Florida Community Hospital in Chipley, Florida, part of Northwest Florida Community Hospital.
Dr. Lachance's NPI, 1437111473, was assigned on April 5, 2006. Dr. Lachance graduated from UNE College of Osteopathic Medicine in 1999. Dr. Lachance holds Maine license 1707.
- NPI
- 1437111473NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587679535
- NPI enumeration date
- April 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (850) 638-1610
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gerald Guy Lachance practices at Northwest Florida Community Hospital in Chipley, Florida
Dr. Lachance's primary practice is Northwest Florida Community Hospital, at 1360 Brickyard Rd, Chipley, FL 32428 in Washington County. The practice phone is (850) 638-1610.
- Northwest Florida Community Hospital1360 Brickyard Rd, Chipley, FL 32428 · Washington CountyPhone(850) 638-1610
Source: Dmand AI Affiliation Data
Dr. Gerald Guy Lachance is affiliated with 4 sites of care and 2 medical groups
Dr. Lachance's primary practice is Northwest Florida Community Hospital in Chipley, Florida, part of Northwest Florida Community Hospital. Dr. Lachance is also affiliated with Doctors Memorial Hospital. The medical group on file is Northwest Florida Community Hospital. Dmand AI also links Dr. Lachance to 2 more home health agencies and 1 medical group, 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. Gerald Guy Lachance's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lachance practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwest Florida Community Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Northwest Florida Community Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gerald Guy Lachance is one of 7,735 family medicine physicians in Florida
Family medicine is Dr. Lachance's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Lachance is board certified in family medicine by the American Board of Family Medicine. Dr. Lachance is licensed in Maine.
Specialties and state licenses
- Family medicine, MainePrimary
Clinical focus
Dmand AI lists acid reflux, asthma, atrial fibrillation and flutter, chronic anemia, chronic diabetes, chronic hypertension, chronic kidney disease and chronic obstructive pulmonary disease (COPD) among the conditions Dr. Lachance treats.
Family medicine physicians near Dr. Lachance
Counts of family medicine 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. Gerald Guy Lachance billed Medicare for 92 services in 2024
CMS data shows 92 Medicare services from Dr. Lachance across 4 procedure codes in 2024, for 47 Medicare patients. Medicare paid $4,288 for them. Every service was in an office.
Dr. Lachance's Medicare services by type, 2020 to 2024
- 2020
- 2024
- Office and hospital visits
- 2020: 5402024: 5390%
- Other services
- 2020: 762024: 3949%
Dr. Lachance compared with the Florida median for family medicine physicians, 2024
- Dr. Lachance
- Florida median
- Medicare services
- 92vs 39377% below
- Medicare patients
- 47vs 17273% below
- Part D claims
- 7,927vs 9798.1 times
Medians across 7,484 family medicine physicians in Florida with Dmand AI profiles that report each measure.
Dr. Lachance'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lachance and other family medicine physicians in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gerald Guy Lachance treated 47 Medicare patients in 2024, average age 72
CMS counts 47 Medicare patients who saw Dr. Lachance in 2024. The largest group is 75 to 84, with 18 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 1.50, 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. Lachance's median patient age at 69, with 55% women.
Dr. Lachance's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lachance's Medicare patients by sex, 2024
- Women2757%
- Men2043%
Chronic conditions among Dr. Lachance's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis70%
- Diabetes49%
- Depression47%
- Mood disorders47%
- Anxiety45%
- COPD40%
Share of Medicare patients with each condition. A patient can have several.
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 69
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gerald Guy Lachance wrote 8,602 Medicare Part D claims in 2024
In 2024, Dr. Lachance wrote 8,602 Medicare Part D claims for 352 patients. 88% of them were for generic drugs. CMS names the drug for 7,927 of them, across 145 drugs with 11 or more claims each, at $635,411 in total drug cost. In 2023, CMS named 3,694 claims across 101 drugs.
Dr. Lachance's Part D claims by kind of drug, 2024
- Generic7,580 claims88%
- Brand-name987 claims11%
- Other35 claims0%
Dr. Lachance'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. Lachance's Part D claims, 2024
- Opioids3%218 of 8,602 claims
- Antibiotics5%428 of 8,602 claims
- Antipsychotics, patients 65 and over0%17 of 8,602 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: 3,6942024: 7,927115%
Drugs named by CMS: 145 in 2024, 101 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
How Dr. Gerald Guy Lachance takes part in Medicare
Dr. Lachance accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gerald Guy Lachance has 3 publications on record
Dmand AI links 3 papers to Dr. Lachance, published from 2016 to 2021. 2016 was the busiest year, with 2.
Recent publications by Dr. Lachance
See who Dr. Lachance researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lachance works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gerald Guy Lachance received $358 in industry payments from 2023 to 2025
CMS Open Payments shows 19 general payments to Dr. Lachance from 9 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $96.
General payments to Dr. Lachance by program year, 2023 to 2025
Companies that paid Dr. Lachance the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gerald Guy Lachance graduated from UNE College of Osteopathic Medicine
Dr. Lachance graduated from UNE College of Osteopathic Medicine in 1999.
- Medical school
- Board certified in family medicine
- Board certified in 2005 - 2026
- Board certified in 2001 - 2022
Source: Dmand AI Professional Profile Data
Dr. Gerald Guy Lachance accepts plans from 16 insurance carriers
Dr. Lachance is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and HCSC. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- HCSC
- United Healthcare
- Elevance
- Alliant Health Plans
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- +8 more carriersWith a free account
Plan types Dr. Lachance accepts, by number of carriers
- PPO10
- HMO8
- Medicare7
- POS6
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Gerald Guy 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 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) |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Gerald Guy 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. Gerald Guy Lachance's NPI number?
Dr. Gerald Guy Lachance's NPI number is 1437111473. It was assigned on April 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gerald Guy Lachance?
Dr. Gerald Guy Lachance is a family medicine physician in Chipley, Florida. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Gerald Guy Lachance practice?
Dr. Lachance practices at 1360 Brickyard Rd, Chipley, FL 32428. Dr. Lachance's primary practice is Northwest Florida Community Hospital in Chipley, Florida, part of Northwest Florida Community Hospital. Dmand AI also links Dr. Lachance to 2 home health agencies and 1 medical group.
What is Dr. Gerald Guy Lachance's office phone number?
The practice phone on file for Dr. Lachance is (850) 638-1610.
What is Dr. Gerald Guy Lachance's medical license number?
Dr. Lachance holds Maine license 1707.
Which hospitals is Dr. Gerald Guy Lachance affiliated with?
Dr. Lachance practices at Northwest Florida Community Hospital in Chipley, Florida. Dr. Lachance is also affiliated with Doctors Memorial Hospital.
What medical group is Dr. Gerald Guy Lachance part of?
Dr. Lachance is linked to Northwest Florida Community Hospital. Dmand AI links Dr. Lachance to 1 more medical group.
Does Dr. Gerald Guy Lachance accept Medicare?
Yes. CMS data shows Dr. Lachance billed Medicare for 92 services in 2024, and Dr. Lachance accepts Medicare assignment.
How many Medicare patients does Dr. Gerald Guy Lachance see?
CMS counts 47 Medicare patients who saw Dr. Lachance in 2024, with an average age of 72.
Is Dr. Gerald Guy Lachance board certified?
Yes. Dr. Lachance is board certified in family medicine by the American Board of Family Medicine.
Show 7 more questionsShow fewer questions
What services does Dr. Gerald Guy Lachance bill to Medicare?
In 2024, Dr. Lachance's most billed Medicare services were care management and other visits (99490), medicare service (G0179) and medicare service (G0180).
Where did Dr. Gerald Guy Lachance go to medical school?
Dr. Lachance graduated from UNE College of Osteopathic Medicine in 1999.
What drugs does Dr. Gerald Guy Lachance prescribe most?
In 2024 Medicare Part D data, Dr. Lachance's most prescribed drugs by claims were Atorvastatin Calcium, Montelukast Sodium and Gabapentin.
Has Dr. Gerald Guy Lachance received payments from drug or device companies?
CMS Open Payments shows $358 in general payments to Dr. Lachance from 9 companies from 2023 to 2025. The largest total came from Eli Lilly and Company.
How long has Dr. Gerald Guy Lachance been practicing?
Dr. Lachance graduated from medical school in 1999, 27 years ago.
Does Dr. Gerald Guy Lachance do research?
Dmand AI links 3 publications to Dr. Lachance, published from 2016 to 2021.
What insurance does Dr. Gerald Guy Lachance accept?
Dr. Lachance is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and HCSC. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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