Dr. Gary L. Diperna, DO
- Medicare services, 2024
- 563
- Medicare patients, 2024
- 184
- Part D claims, 2024
- 328
- MIPS score, 2024
- 86
- Hospital affiliations
- 1
- Practice address
- 710 Main St, Lewiston, ME 04240
- Practice phone
- Call (207) 622-7097
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kennebec Kidney Center
Lewiston, Maine
Find Dr. Diperna's professional email, personal email and mobile number
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Dr. Gary L. Diperna is a nephrologist in Lewiston, Maine
Dr. Diperna practices at Kennebec Kidney Center in Lewiston, Maine.
Dr. Diperna's NPI, 1649567579, was assigned on June 29, 2011. Dr. Diperna graduated from University of New England, College of Osteo Medicine in 2011. Dr. Diperna holds Maine license DO2511.
- NPI
- 1649567579NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567696446
- NPI enumeration date
- June 29, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (207) 622-7097
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gary L. Diperna practices at Kennebec Kidney Center in Lewiston, Maine
Dr. Diperna's primary practice is Kennebec Kidney Center, at 710 Main St, Lewiston, ME 04240 in Androscoggin County. The practice phone is (207) 622-7097.
- Kennebec Kidney Center710 Main St, Lewiston, ME 04240 · Androscoggin CountyPhone(207) 622-7097
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gary L. Diperna is affiliated with 6 sites of care and 3 medical groups
Dr. Diperna's primary practice is Kennebec Kidney Center in Lewiston, Maine. Dr. Diperna is also affiliated with MaineGeneral Medical Center. The medical group on file is MaineHealth Primary Care - Family Medicine - Portland. Dmand AI also links Dr. Diperna to 2 more dialysis centers, 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gary L. Diperna's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Diperna practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kennebec Kidney Center | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gary L. Diperna is one of 38 nephrologists in Maine
Nephrology is Dr. Diperna's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Diperna is licensed in Maine.
Specialties and state licenses
- Nephrology, MainePrimary
Nephrologists near Dr. Diperna
Counts of nephrologists 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. Gary L. Diperna billed Medicare for 563 services in 2024
CMS data shows 563 Medicare services from Dr. Diperna across 8 procedure codes in 2024, for 184 Medicare patients. Medicare paid $84,388 for them.
Dr. Diperna's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 3172024: 36114%
- Office and hospital visits
- 2023: 2872024: 20230%
Where Dr. Diperna's Medicare services took place, 2024
- In an office29753%
- In a facility26647%
Dr. Diperna compared with the Maine median for nephrologists, 2024
- Dr. Diperna
- Maine median
- Medicare services
- 563vs 41137% above
- Medicare patients
- 184vs 184Close to median
- Part D claims
- 162vs 35855% below
Medians across 40 nephrologists in Maine with Dmand AI profiles that report each measure.
Dr. Diperna'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. Diperna and other nephrologists in Maine.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary L. Diperna treated 184 Medicare patients in 2024, average age 68
CMS counts 184 Medicare patients who saw Dr. Diperna in 2024. The largest group is under 65, with 61 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 49% are also on Medicaid. Their average risk score is 5.76, 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. Diperna's median patient age at 73, with 48% women.
Dr. Diperna's Medicare patients by age, 2024
Dr. Diperna's Medicare patients by sex, 2024
- Women7742%
- Men10758%
Chronic conditions among Dr. Diperna's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol68%
- Diabetes55%
- Ischemic heart disease53%
- Heart failure49%
- Atrial fibrillation36%
- Mood disorders36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Diperna's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gary L. Diperna wrote 328 Medicare Part D claims in 2024
In 2024, Dr. Diperna wrote 328 Medicare Part D claims for 87 patients. 81% of them were for generic drugs. CMS names the drug for 162 of them, across 9 drugs with 11 or more claims each, at $39,912 in total drug cost. In 2023, CMS named 265 claims across 16 drugs.
Dr. Diperna's Part D claims by kind of drug, 2024
- Generic265 claims81%
- Brand-name63 claims19%
Dr. Diperna'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. Diperna's Part D claims, 2024
- Antibiotics4%12 of 328 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: 2652024: 16239%
Drugs named by CMS: 9 in 2024, 16 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. Gary L. Diperna scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Diperna for performance year 2024, reported as part of a group. Dr. Diperna accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Diperna as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Diperna's MIPS scores, performance year 2024
- 86of 100Final score
- 75.4of 100Quality
- 84of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 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. Gary L. Diperna received $95 in industry payments from 2017 to 2019
CMS Open Payments shows 3 general payments to Dr. Diperna from 3 drug and device companies from 2017 to 2019. Education make up the largest share, 62% of the total. Astute Medical, Inc. paid the most, $58.
General payments to Dr. Diperna by program year, 2017 to 2019
General payments to Dr. Diperna by kind, 2017 to 2019
- Education$5862%
- Food and beverage$3738%
Companies that paid Dr. Diperna the most, 2017 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gary L. Diperna graduated from University of New England, College of Osteo Medicine
Dr. Diperna graduated from University of New England, College of Osteo Medicine in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gary L. Diperna'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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. Gary L. Diperna
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. Gary L. Diperna's NPI number?
Dr. Gary L. Diperna's NPI number is 1649567579. It was assigned on June 29, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary L. Diperna?
Dr. Gary L. Diperna is a nephrologist in Lewiston, Maine. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Gary L. Diperna practice?
Dr. Diperna practices at 710 Main St, Lewiston, ME 04240. Dr. Diperna's primary practice is Kennebec Kidney Center in Lewiston, Maine. Dmand AI also links Dr. Diperna to 2 dialysis centers, 2 group practices and clinics and 2 medical groups.
What is Dr. Gary L. Diperna's office phone number?
The practice phone on file for Dr. Diperna is (207) 622-7097.
What is Dr. Gary L. Diperna's medical license number?
Dr. Diperna holds Maine license DO2511.
Which hospitals is Dr. Gary L. Diperna affiliated with?
Dr. Diperna is affiliated with MaineGeneral Medical Center.
What medical group is Dr. Gary L. Diperna part of?
Dr. Diperna is linked to MaineHealth Primary Care - Family Medicine - Portland. Dmand AI links Dr. Diperna to 2 more medical groups.
Does Dr. Gary L. Diperna accept Medicare?
Yes. CMS data shows Dr. Diperna billed Medicare for 563 services in 2024, and Dr. Diperna accepts Medicare assignment.
Does Dr. Gary L. Diperna offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Diperna as offering telehealth services.
What is Dr. Gary L. Diperna's MIPS score?
Dr. Diperna's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Gary L. Diperna see?
CMS counts 184 Medicare patients who saw Dr. Diperna in 2024, with an average age of 68.
What services does Dr. Gary L. Diperna bill to Medicare?
In 2024, Dr. Diperna's most billed Medicare services were dialysis (90960), hospital inpatient care (99232) and dialysis (90935).
Where did Dr. Gary L. Diperna go to medical school?
Dr. Diperna graduated from University of New England, College of Osteo Medicine in 2011.
What drugs does Dr. Gary L. Diperna prescribe most?
In 2024 Medicare Part D data, Dr. Diperna's most prescribed drugs by claims were Lokelma, Furosemide and Torsemide.
Has Dr. Gary L. Diperna received payments from drug or device companies?
CMS Open Payments shows $95 in general payments to Dr. Diperna from 3 companies from 2017 to 2019. The largest total came from Astute Medical, Inc.
How long has Dr. Gary L. Diperna been practicing?
Dr. Diperna graduated from medical school in 2011, 15 years ago.
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