GARY DIPERNA DO
NPI 1649567579
Internal Medicine - Nephrology in Portland, ME

Q: What is Gary Diperna's NPI number?

The NPI number for Gary Diperna is 1649567579. It was assigned to this individual provider in the NPPES registry on June 29, 2011.

Q: What is Gary Diperna's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Gary Diperna was last updated on May 28, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since June 29, 2011PECOS EnrolledAccepts Medicare Assignment

79.27/100

CMS Quality Rating

1600B CONGRESS ST, PORTLAND, ME 04102(207) 774-5222(207) 761-4433 Get Directions Write a Review

NPPES record last updated: May 28, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Gary Diperna Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GARY DIPERNA DO (NPI 1649567579) is an individual nephrology provider in Portland, Maine, licensed in Maine (DO2511) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Maine General Medical Center, and maintains a secondary practice location in Augusta.

NPPES Registry Identity

NPI1649567579

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameGARY DIPERNACredential: DO

Location Address1600B CONGRESS STPortland, ME 04102-2124

Mailing Address1600b Congress StPortland, ME 04102-2124 · (207) 774-5222 · Fax (207) 761-4433

Phone(207) 774-5222

Fax(207) 761-4433

Sole ProprietorNo

Medical School CMSUniversity Of New England, College Of Osteo MedicineGraduated 2011

Enumeration DateJune 29, 2011

Last NPPES UpdateMay 28, 2026

NPPES CertifiedMay 28, 2026

✔ NPI 1649567579 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in ME · DO2511

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

1600B CONGRESS ST, Portland, ME 04102

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Secondary Practice Location 1

Location 135 Medical Center PkwyAugusta, ME 04330-8160 · Phone (207) 626-6480 · Fax (207) 626-6481

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gary Diperna Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2567696446

PECOS Enrollment IDI20150515001007

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Dialysis services, 4 or more physician visits per month (20 years or older) 90960

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

211 services79 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

97 services41 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

85 services36 patients

Home dialysis services per month (20 years or older) 90966

Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.

37 services16 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

37 services27 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

31 services29 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Maine General Medical Center

Acute Care Hospitals · Augusta, ME

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number200039

Location35 Medical Center ParkwayAugusta, ME 04330 · Kennebec County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04102 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$128.83 typical visit price

range $56.28 – $169.96

Typical copayment $32.20 (range $14.07 – $42.49)

Most-billed visit code 99204

Established Patient

$99.18 typical visit price

range $18.22 – $138.92

Typical copayment $24.79 (range $4.55 – $34.73)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

79.27/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

73.72

Promoting Interoperability

Improvement Activities

Cost

60.51

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

2 suppliers11 claims11 services$18.94 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MAINE NEPHROLOGY ASSOCIATES P.A.

Internal Medicine (Nephrology)