Heather Marie Mascio, D.O
Nephrology Physician · Chester, PA
Heather Marie Mascio, D.O is a nephrology physician with a practice address in Chester, Pennsylvania, and NPI 1962633610, issued on Jul 29, 2009. Check the license (Pennsylvania 0S19327, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Heather Marie Mascio
- Credential
- D.O
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 0S19327 PA
Self-reported in NPPES; status is on the state search - Practice location
- 30 Medical Center Blvd, Chester, PA 19013
- Phone
- (610) 872-8501
- Enumerated
- Jul 29, 2009
- Record last updated
- Sep 4, 2025
- Fax
- (610) 872-5188
- Medicare enrollment
- Enrolled (PECOS I20180913002757); accepts Medicare assignment
- Medical or professional school
- Rowan University School Of Osteopathic Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 651 in Pennsylvania → Look up another NPI →
Also registered at 30 Medical Center Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hadiqa Batool, MDInternal Medicine Physician1295981611
- Allison Bricker-Woolpert, CRNACertified Registered Nurse Anesthetist1255586491
- Loren Denison, MS, PA-CMedical Physician Assistant1508935487
- Amy Doran, PA-CMedical Physician Assistant1427000660
- Maria Farias, MDPediatrics Physician1770629990
- Cynthia Foore, CRNACertified Registered Nurse Anesthetist1013119965
Verify Heather Marie Mascio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license 0S19327Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% more Medicare Part D claims than the average nephrology physician in 2024
2,287 Medicare Part D claims for 373 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Losartan Potassium245 claims
- Jardiance198 claims
- Farxiga196 claims
- Calcitriol156 claims
- Lisinopril98 claims
- Amlodipine Besylate95 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $408.89
16 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Clinical Renal Associates LLCChester, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Heather Marie Mascio among 651 nephrology physician records in Pennsylvania
Heather Marie Mascio, D.O is one of 651 nephrology physician records with a practice address in Pennsylvania. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 65% of them.
- NPI issued2009 · 65% of these records are older, 31% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2009 · median 2001 among the 468 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Pennsylvania
There are 651 nephrology physician records in Pennsylvania.
All 651 in Pennsylvania → Every provider in Chester → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Sat Arora, M.D.Upland, PA 190131104865906
- Alan Barman, D.O.Upland, PA 190131992743793
- Arinze Ikeme, M.DChester, PA 190131740444710
- Glenn Ladinsky, M.D., PH.D.Upland, PA 190131467409607
- Roy Marcus, M.D.Upland, PA 190131245278084
- Chike Okechukwu, M.D.Upland, PA 190131174578215
- Richard Soricelli, M.D.Upland, PA 190131790730836
- George Westby, M.D.Upland, PA 190131063450849
Common questions
What is Heather Marie Mascio, D.O's NPI number?
Heather Marie Mascio, D.O's National Provider Identifier (NPI) is 1962633610, issued on Jul 29, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Heather Marie Mascio, D.O located?
The NPPES record lists a practice address at 30 Medical Center Blvd, Chester, PA, 19013. Phone: (610) 872-8501. Providers update this record themselves, so call before visiting.
How can I verify Heather Marie Mascio, D.O's license?
NPPES lists Pennsylvania license number 0S19327, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Heather Marie Mascio, D.O prescribe under Medicare Part D?
In 2024, Heather Marie Mascio, D.O had 2,287 Medicare Part D claims for 373 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.