NPPES file of Aug 9, 2026

Emily M. Massaro, P.A.

Surgical Physician Assistant · Saint Louis, MO

Emily M. Massaro, P.A. is a surgical physician assistant with a practice address in Saint Louis, Missouri, and NPI 1770765950, issued on Nov 29, 2007. Check the license (Missouri 2007033181, as entered in NPPES) with the Missouri 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770765950
Name
Emily M. Massaro
Credential
P.A.
Primary taxonomy
Surgical Physician Assistant 363AS0400X
License number
2007033181 MO
Self-reported in NPPES; status is on the state search
Practice location
1465 S Grand Blvd, Saint Louis, MO 63104
Phone
(314) 577-5646
Enumerated
Nov 29, 2007
Record last updated
Feb 4, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1465 S Grand Blvd

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

  1. Nabil Abboud, MDAnesthesiology Physician1386660504
  2. Elaf AbdelmagidPediatrics Physician1831077627
  3. Michel Adonis, M.D.Pediatrics Physician1497190854
  4. Attila Ahmad, MDPediatric Cardiology Physician1245842699
  5. Emily Ahmad, CPNP-PCPediatric Nurse Practitioner1871875104
  6. Muteen Ahmed, M.B.B.S.Student in an Organized Health Care Education/Training Program1437950466

Verify Emily M. Massaro in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 2007033181
    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 Missouri license search

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The practice group's MIPS final score for 2023 (Medicare payment program): 81.6 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 score76.1
  2. Costout of 100 · 30%54.3
  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).

Emily M. Massaro among 176 surgical physician assistant records in Missouri

Emily M. Massaro, P.A. is one of 176 surgical physician assistant records with a practice address in Missouri. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 28% of them.

  • NPI issued2007 · 28% of these records are older, 64% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 56% of these records are
  • Record last updated2021 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Physician Assistant providers in Missouri

There are 176 surgical physician assistant records in Missouri.

The 8 surgical physician assistant records with the nearest ZIP codes

  1. Ciara Glenn, PA-CSaint Louis, MO 631041780213553
  2. Shay Hietpas, PA-CSaint Louis, MO 631041609902063
  3. Kelly MebruerSaint Louis, MO 631041144189788
  4. Thomas Prange, PA-CSaint Louis, MO 631041356701676
  5. John Calcaterra, RPHSaint Louis, MO 631061407819279
  6. Keith Mauller, PA-CSaint Louis, MO 631061346325628
  7. Renee Mueth, PA-CSaint Louis, MO 631061518040740
  8. Terri Nowell, P.A.Saint Louis, MO 631061518013226

Common questions

What is Emily M. Massaro, P.A.'s NPI number?

Emily M. Massaro, P.A.'s National Provider Identifier (NPI) is 1770765950, issued on Nov 29, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Emily M. Massaro, P.A. located?

The NPPES record lists a practice address at 1465 S Grand Blvd, Saint Louis, MO, 63104. Phone: (314) 577-5646. Providers update this record themselves, so call before visiting.

How can I verify Emily M. Massaro, P.A.'s license?

NPPES lists Missouri license number 2007033181, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

What is Emily M. Massaro, P.A.'s MIPS final score?

The 2023 MIPS final score is 81.6 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.