NPPES file of Aug 9, 2026

Heather L. Grillo, PA-C

Medical Physician Assistant · Philadelphia, PA

Heather L. Grillo, PA-C is a medical physician assistant with a practice address in Philadelphia, Pennsylvania, and NPI 1174854285, issued on Jan 29, 2010. Check the license (Pennsylvania MA054199, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174854285
Name
Heather L. Grillo
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License numbers
MA054199 PA
25MP00230300 NJ
Self-reported in NPPES; status is on the state search
Practice location
51 N 39TH St, Philadelphia, PA 19104
Phone
(215) 615-5864
Enumerated
Jan 29, 2010
Record last updated
May 29, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100504000102); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 51 N 39TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Soo Abboud, MDOtolaryngology Physician1821033440
  2. Maureen Acker, CRNARegistered Nurse1740202696
  3. Nancy Acri, CRNACertified Registered Nurse Anesthetist1891072872
  4. Kelly Agnew, PA-CMedical Physician Assistant1619169281
  5. Adekemi Akano, M.D.Anesthesiology Physician1972950178
  6. Lama Al-Aswad, M.D.Ophthalmology Physician1336174937

Verify Heather L. Grillo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license MA054199
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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88% fewer Medicare Part D claims than the average medical physician assistant in 2024

143 Medicare Part D claims for 41 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 38 claims were for opioids.

  1. Heather Grillo143
  2. Specialty average1,148

Most prescribed

  1. Oxycodone Hcl30 claims
  2. Gabapentin19 claims
  3. Metoprolol Tartrate17 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 85.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score73.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $158.78

2 payments; by number, the most common kind was food and beverage; the largest payer was Medela LLC. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Heather Grillo$158.78
  2. Specialty average$1,055.00

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

  1. University OF Penn - Medical GroupPhiladelphia, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Heather L. Grillo among 3,897 medical physician assistant records in Pennsylvania

Heather L. Grillo, PA-C is one of 3,897 medical physician assistant records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 34% of them.

  • NPI issued2010 · 34% of these records are older, 62% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2010 · median 2015 among the 2,467 with a school on file
  • Record last updated2015 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in Pennsylvania

There are 3,897 medical physician assistant records in Pennsylvania.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Veronica Blamasah, MHS, PA-CPhiladelphia, PA 191041427139922
  2. Robert Bond, P.A.Philadelphia, PA 191041073629945
  3. Bryan Booth, PA-CPhiladelphia, PA 191041548235179
  4. Suzanne Box, PA-CPhiladelphia, PA 191041912928847
  5. Tamara Brunker, PA-CPhiladelphia, PA 191041487675070
  6. Daniel Dymond, PA-CPhiladelphia, PA 191041538254529
  7. Amanda Gudknecht, PA-CPhiladelphia, PA 191041871691733
  8. Charmaine JonesPhiladelphia, PA 191041639277320

Common questions

What is Heather L. Grillo, PA-C's NPI number?

Heather L. Grillo, PA-C's National Provider Identifier (NPI) is 1174854285, issued on Jan 29, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Heather L. Grillo, PA-C located?

The NPPES record lists a practice address at 51 N 39TH St, Philadelphia, PA, 19104. Phone: (215) 615-5864. Providers update this record themselves, so call before visiting.

How can I verify Heather L. Grillo, PA-C's license?

NPPES lists Pennsylvania license number MA054199, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Heather L. Grillo, PA-C prescribe under Medicare Part D?

In 2024, Heather L. Grillo, PA-C had 143 Medicare Part D claims for 41 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

What is Heather L. Grillo, PA-C's MIPS final score?

The 2023 MIPS final score is 85.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.