Portia Brown
Acute Care Nurse Practitioner · New York, NY
Portia Brown is an acute care nurse practitioner with a practice address in New York, New York, and NPI 1831711894, issued on May 13, 2020. Check the license (New York 431712, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Portia Brown
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License numbers
- 431712 NY
702004 NY
Self-reported in NPPES; status is on the state search - Practice location
- 550 1St Ave, New York, NY 10016
- Phone
- (646) 929-7800
- Enumerated
- May 13, 2020
- Record last updated
- Mar 12, 2025
- Medicare enrollment
- Enrolled (PECOS I20210924000375); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 550 1St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Clarisse AbanillaPhysician Assistant1598445579
- Ehab Abaza, MDInternal Medicine Physician1114507555
- Valentino Abballe, M.D.Diagnostic Radiology Physician1710305081
- Diana Abbas, MDStudent in an Organized Health Care Education/Training Program1568105633
- Germeen AbdelmessihAcute Care Nurse Practitioner1134840028
- Kathryn Abe-Ridgway, MDStudent in an Organized Health Care Education/Training Program1629865324
Verify Portia Brown in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 431712Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 84.5 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Acute Care Nurse Practitioner providers in New York
There are 1,720 acute care nurse practitioner records in New York.
Other acute care nurse practitioner records in New York
- Jay Raymond AbadNew York, NY1336662576
- Michelle Abboud, N.P.New York, NY1730596008
- Germeen AbdelmessihNew York, NY1134840028
- Danny AbdelqaderNew York, NY1700615150
- Alvin AbellaNew York, NY1588068233
- Sheba Abella-Barbosa, N.P.Brooklyn, NY1790846467
- Joseph Abellana, MS, RN, AGACNP-BCNew York, NY1386194041
- Mary Abplanalp, N.P.Suffern, NY1043243926
- Alla Acevedo, NPNew York, NY1669842001
- Wies Achterkamp-Hurkmans, NPNew York, NY1598582694
Common questions
What is Portia Brown's NPI number?
Portia Brown's National Provider Identifier (NPI) is 1831711894, issued on May 13, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Portia Brown located?
The NPPES record lists a practice address at 550 1St Ave, New York, NY, 10016. Phone: (646) 929-7800. Providers update this record themselves, so call before visiting.
How can I verify Portia Brown's license?
NPPES lists New York license number 431712, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
What is Portia Brown's MIPS final score?
The 2023 MIPS final score is 84.5 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.