Doctor profile · Federal record

Dr. Heather Mascio, D.O

Nephrology Physician (CMS: Nephrology) · Chester, PA

  • NPI 1962633610
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
30 Medical Center Blvd
Chester, PA 190133955
(610) 872-8501
fax (610) 872-5188
Mailing address
Po Box 1
Flourtown, PA 190310001

Credentials & registration

NPPES · NUCC
NPI registered
July 2009 — 17 yrs on file
Profile last updated
September 4, 2025
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Pennsylvania #0S19327

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962633610. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,000
Distinct HCPCS
10
Medicare allowed
$272,803
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 601 282 $100
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 586 246 $81
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 248 137 $121
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 240 40 $330
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 182 172 $178
99204 New patient office or other outpatient visit, 45-59 minutes 43 43 $173
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 31 20 $275
90935 Hemodialysis procedure with physician evaluation 21 20 $73
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 17 15 $51
99291 Critical care, first 30-74 minutes 16 16 $206

In context: peer comparison

Among 2 peers in Chester Nephrology Physician, average services per provider: 158. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$409
Transactions
16
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 2 $134.42
Travere Therapeutics, INC. 5 $79.17
Calliditas Therapeutics US INC. 2 $47.34
Alexion Pharmaceuticals, INC. 1 $30.57
Ardelyx, INC. 1 $24.05
Bayer Healthcare Pharmaceuticals INC. 1 $23.94
Otsuka America Pharmaceutical, INC. 1 $22.31
Vifor Pharma, INC. 1 $19.10
Novartis Pharmaceuticals Corporation 1 $14.39
Boehringer Ingelheim Pharmaceuticals, INC. 1 $13.60

By nature of payment

Food and Beverage
$389
Education
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,128
Patients
332
Total drug cost
$240,068
Drug Type Claims Patients Total cost
Losartan Potassium Generic 171 61 $3,027
Amlodipine Besylate Generic 138 38 $1,106
Farxiga (Dapagliflozin Propanediol) Brand 121 31 $127,082
Lisinopril Generic 110 37 $983
Calcitriol Generic 101 32 $1,932
Hydralazine Hcl Generic 82 28 $1,834
Nifedipine ER (Nifedipine) Brand 61 19 $3,056
Jardiance (Empagliflozin) Brand 54 19 $69,809
Calcium Acetate Generic 48 16 $5,664
Furosemide Generic 48 22 $673

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Heather Mascio's medical specialty?
Dr. Heather Mascio practices Nephrology Physician in Chester, PA.
Where does Dr. Heather Mascio practice?
Dr. Heather Mascio practices at 30 Medical Center Blvd, Chester, PA 190133955. Office phone: 6108728501.
What is Dr. Heather Mascio's NPI?
Dr. Heather Mascio's National Provider Identifier (NPI) is 1962633610, issued by NPPES.
Does Dr. Heather Mascio accept Medicare assignment?
Yes. Dr. Heather Mascio accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Heather Mascio commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.