Doctor profile · Federal record

Dr. Maria Delcastillo, M.D.

Nephrology Physician (CMS: Nephrology) · Amherst, NY

  • NPI 1467572537
  • Accepts Medicare
  • 37 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1306 Sweet Home RD
Amherst, NY 142282792
(716) 838-3188
fax (716) 838-1297

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
August 19, 2015
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
New York #192766
Medicaid
NY #01778147

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1467572537. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
807
Distinct HCPCS
9
Medicare allowed
$122,497
HCPCS Description Services Patients Avg allowed
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 189 22 $326
99214 Established patient office or other outpatient visit, 30-39 minutes 151 94 $90
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 151 70 $74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 95 59 $114
99213 Established patient office or other outpatient visit, 20-29 minutes 55 49 $83
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 54 51 $170
90935 Hemodialysis procedure with physician evaluation 49 30 $63
99215 Established patient office or other outpatient visit, 40-54 minutes 40 34 $140
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 23 23 $127

In context: peer comparison

Among 7 peers in Amherst Nephrology Physician, average services per provider: 78. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$112
Transactions
7
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Travere Therapeutics, INC. 6 $87.33
Akebia Therapeutics INC 1 $24.61

By nature of payment

Food and Beverage
$75
Education
$37

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
762
Patients
215
Total drug cost
$16,177
Drug Type Claims Patients Total cost
Bumetanide Generic 93 22 $4,586
Losartan Potassium Generic 69 21 $1,354
Furosemide Generic 65 19 $562
Spironolactone Generic 61 19 $671
Carvedilol Generic 58 15 $833
Amlodipine Besylate Generic 52 15 $723
Allopurinol Generic 47 12 $651
Hydralazine Hcl Generic 45 13 $750
Famotidine Generic 43 12 $527
Lisinopril Generic 43 14 $341

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Maria Delcastillo's medical specialty?
Dr. Maria Delcastillo practices Nephrology Physician in Amherst, NY.
Where does Dr. Maria Delcastillo practice?
Dr. Maria Delcastillo practices at 1306 Sweet Home RD, Amherst, NY 142282792. Office phone: 7168383188.
What is Dr. Maria Delcastillo's NPI?
Dr. Maria Delcastillo's National Provider Identifier (NPI) is 1467572537, issued by NPPES.
Does Dr. Maria Delcastillo accept Medicare assignment?
Yes. Dr. Maria Delcastillo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Delcastillo 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); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.