Doctor profile · Federal record

Dr. Melanie Greenan, MD

Nephrology Physician (CMS: Nephrology) · Yarmouth Port, MA

  • NPI 1790783348
  • Accepts Medicare
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
251 Willow St
Yarmouth Port, MA 026751744
(508) 778-0375

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Massachusetts #224307

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790783348. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
967
Distinct HCPCS
7
Medicare allowed
$185,824
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 305 255 $93
99214 Established patient office or other outpatient visit, 30-39 minutes 194 148 $131
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 176 44 $356
99215 Established patient office or other outpatient visit, 40-54 minutes 98 67 $182
99205 New patient office or other outpatient visit, 60-74 minutes 79 79 $224
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 65 34 $296
90966 Home dialysis services per month (20 years or older) 50 12 $296

In context: peer comparison

Among 2 peers in this city , average services per provider: 127. This provider delivers 7.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$106
Transactions
7
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Travere Therapeutics, Inc. 5 $57.69
Novartis Pharmaceuticals Corporation 1 $25.16
Fresenius USA Marketing, Inc. 1 $23.62

By nature of payment

Education
$58
Food and Beverage
$49

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
649
Patients
201
Total drug cost
$382,944
Drug Type Claims Patients Total cost
Farxiga (Dapagliflozin Propanediol) Brand 172 53 $271,035
Furosemide Generic 92 38 $856
Sevelamer Carbonate Generic 70 28 $15,863
Lisinopril Generic 57 19 $892
Calcitriol Generic 40 12 $1,266
Amlodipine Besylate Generic 33 16 $295
Lanthanum Carbonate Generic 33 0 $46,477
Losartan Potassium Generic 31 11 $708
Omeprazole Generic 25 13 $537
Torsemide Generic 23 11 $1,729

Frequently asked questions

Auto-generated from federal data
What is Dr. Melanie Greenan's medical specialty?
Dr. Melanie Greenan practices Nephrology Physician in Yarmouth Port, MA.
Where does Dr. Melanie Greenan practice?
Dr. Melanie Greenan practices at 251 Willow St, Yarmouth Port, MA 026751744. Office phone: 5087780375.
What is Dr. Melanie Greenan's NPI?
Dr. Melanie Greenan's National Provider Identifier (NPI) is 1790783348, issued by NPPES.
Does Dr. Melanie Greenan accept Medicare assignment?
Yes. Dr. Melanie Greenan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Melanie Greenan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960). Source: CMS Medicare Physician & Other Practitioners file.