NPPES file of Aug 9, 2026

Corita Reilley Grudzen, M.D.

Emergency Medicine Physician · New York, NY

Corita Reilley Grudzen, M.D. is an emergency medicine physician with a practice address in New York, New York, and NPI 1043418544, issued on Jul 5, 2007. Check the license (New York 233941-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1043418544
Name
Corita Reilley Grudzen
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
233941-1 NY
A91053 CA
Self-reported in NPPES; status is on the state search
Practice location
550 1St Ave, New York, NY 10016
Phone
(212) 263-3293
Enumerated
Jul 5, 2007
Record last updated
May 25, 2022
Medicare enrollment
Enrolled (PECOS I20071016000145); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 2001
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 550 1St Ave

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

  1. Clarisse AbanillaPhysician Assistant1598445579
  2. Ehab Abaza, MDInternal Medicine Physician1114507555
  3. Valentino Abballe, M.D.Diagnostic Radiology Physician1710305081
  4. Diana Abbas, MDStudent in an Organized Health Care Education/Training Program1568105633
  5. Germeen AbdelmessihAcute Care Nurse Practitioner1134840028
  6. Kathryn Abe-Ridgway, MDStudent in an Organized Health Care Education/Training Program1629865324

Verify Corita Reilley Grudzen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 233941-1
    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
Open the New York 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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The practice group's MIPS final score for 2023 (Medicare payment program): 85.4 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 score75.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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).

Bills Medicare through one group practice

  1. Memorial Urgent Care GroupNew York, NY

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

Corita Reilley Grudzen among 5,025 emergency medicine physician records in New York

Corita Reilley Grudzen, M.D. is one of 5,025 emergency medicine physician records with a practice address in New York. 86% 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, 65% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2001 · median 2013 among the 3,232 with a school on file
  • Record last updated2022 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,075 emergency medicine physician records list a practice address in New York

They are 1,075 of the 98,468 NPPES records with a practice address in New York, and 5,025 emergency medicine physician records in New York.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Robert Femia, MDNew York, NY 100161225094220
  2. Jennifer Garner, MDNew York, NY 100161043238629
  3. Lewis Goldfrank, MDNew York, NY 100161891889150
  4. Vicki Goldhill, MDNew York, NY 100161558304618
  5. Rajneesh Gulati, M.D.New York, NY 100161326082025
  6. Steven Issley, MDNew York, NY 100161215925029
  7. Brian Klokeid, MDNew York, NY 100161609818111
  8. Alex Manini, MDNew York, NY 100161659361962

Common questions

What is Corita Reilley Grudzen, M.D.'s NPI number?

Corita Reilley Grudzen, M.D.'s National Provider Identifier (NPI) is 1043418544, issued on Jul 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Corita Reilley Grudzen, M.D. located?

The NPPES record lists a practice address at 550 1St Ave, New York, NY, 10016. Phone: (212) 263-3293. Providers update this record themselves, so call before visiting.

How can I verify Corita Reilley Grudzen, M.D.'s license?

NPPES lists New York license number 233941-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Corita Reilley Grudzen, M.D.'s MIPS final score?

The 2023 MIPS final score is 85.4 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.