Doctor profile · Federal record

Dr. Matthew Pyenta, D.O.

Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Lewiston, ME

  • NPI 1386628063
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
710 Main St
Lewiston, ME 04240
(207) 783-1449
fax (207) 777-3865

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
February 26, 2013
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Maine #2082
Medicaid
ME #433123499

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386628063. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
522
Distinct HCPCS
9
Medicare allowed
$109,340
HCPCS Description Services Patients Avg allowed
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 146 26 $338
99214 Established patient office or other outpatient visit, 30-39 minutes 105 93 $121
90966 Home dialysis services per month (20 years or older) 92 15 $281
90935 Hemodialysis procedure with physician evaluation 86 31 $69
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 32 18 $281
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 22 16 $76
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 16 16 $125
99204 New patient office or other outpatient visit, 45-59 minutes 12 12 $158
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 11 11 $79

In context: peer comparison

Among 3 peers in this city , average services per provider: 69. This provider delivers 7.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
512
Patients
102
Total drug cost
$52,216
Drug Type Claims Patients Total cost
Doxazosin Mesylate Generic 90 30 $2,906
Amlodipine Besylate Generic 72 24 $853
Furosemide Generic 61 17 $367
Sevelamer Carbonate Generic 49 17 $20,098
Losartan Potassium Generic 41 14 $519
Farxiga (Dapagliflozin Propanediol) Brand 29 0 $23,248
Tamsulosin Hcl Generic 29 0 $533
Spironolactone Generic 23 0 $352
Calcitriol Generic 22 0 $549
Prednisone Generic 19 0 $156

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Pyenta's medical specialty?
Dr. Matthew Pyenta practices Nephrology Physician in Lewiston, ME.
Where does Dr. Matthew Pyenta practice?
Dr. Matthew Pyenta practices at 710 Main St, Lewiston, ME 04240. Office phone: 2077831449.
What is Dr. Matthew Pyenta's NPI?
Dr. Matthew Pyenta's National Provider Identifier (NPI) is 1386628063, issued by NPPES.
Does Dr. Matthew Pyenta accept Medicare assignment?
Yes. Dr. Matthew Pyenta accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Pyenta commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Established patient office or other outpatient visit (HCPCS 99214); Home dialysis services per month (20 years or older) (HCPCS 90966). Source: CMS Medicare Physician & Other Practitioners file.