NPPES file of Aug 9, 2026

Melissa A. Portell, WHNP

Women's Health Nurse Practitioner · Saint Louis, MO

Melissa A. Portell, WHNP is a women's health nurse practitioner with a practice address in Saint Louis, Missouri, and NPI 1164667838, issued on Dec 10, 2008. Check the license (Missouri 155597, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164667838
Name
Melissa A. Portell
Credential
WHNP
Primary taxonomy
Women's Health Nurse Practitioner 363LW0102X
License number
155597 MO
Self-reported in NPPES; status is on the state search
Practice location
621 S New Ballas RD Ste 2007B, Saint Louis, MO 63141
Phone
(314) 991-5000
Enumerated
Dec 10, 2008
Record last updated
Oct 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090130000086); 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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8 nearest women's health nurse practitioner records → All 305 in Missouri → Look up another NPI →

Also registered at 621 S New Ballas RD Ste 2007B

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

  1. Lamia Atasi, MDMaternal & Fetal Medicine Physician1811139330
  2. Shayna Conner, MDMaternal & Fetal Medicine Physician1417112764
  3. Tara Daming, M.D.Maternal & Fetal Medicine Physician1750656955
  4. Alexandra Edwards, M.D.Critical Care Medicine (Obstetrics & Gynecology) Physician1235498114
  5. Samantha Emerson, CNMMidwife1356686851
  6. Jennifer Goldkamp, M.D.Maternal & Fetal Medicine Physician1225291636

Verify Melissa A. Portell 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 155597    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

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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Bills Medicare through one group practice

  1. Mercy Clinic Maternal Fetal Medicine, LLCSaint Louis, MO

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

Melissa A. Portell among 305 women's health nurse practitioner records in Missouri

Melissa A. Portell, WHNP is one of 305 women's health nurse practitioner 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 2008, is newer than 34% of them.

  • NPI issued2008 · 34% of these records are older, 62% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 47% of these records are
  • Graduated2008 · median 2013 among the 144 with a school on file
  • Record last updated2021 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LW0102X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Women's Health Nurse Practitioner providers in Missouri

There are 305 women's health nurse practitioner records in Missouri.

All 305 in Missouri → Every provider in Saint Louis → Women's Health Nurse Practitioner nationwide →

The 8 women's health nurse practitioner records with the nearest ZIP codes

  1. Nealya Bell-Silva, WHNPSaint Louis, MO 631411679738264
  2. Marcia Born, WHNP-BCSaint Louis, MO 631411295962488
  3. Margaret Boyd, WHNPSaint Louis, MO 631411255361804
  4. Nancy Bubenik, WHNPSaint Louis, MO 631411982637963
  5. Susan Gaffney, NPSaint Louis, MO 631411720162001
  6. Melissa Gonzalez, R.N.Saint Louis, MO 631411578716874
  7. Laura Johnson-Schwent, WHNP, CNPSaint Louis, MO 631411417987066
  8. Susan Kendig, RNC, WHNPSaint Louis, MO 631411962613018

Common questions

What is Melissa A. Portell, WHNP's NPI number?

Melissa A. Portell, WHNP's National Provider Identifier (NPI) is 1164667838, issued on Dec 10, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Melissa A. Portell, WHNP located?

The NPPES record lists a practice address at 621 S New Ballas RD Ste 2007B, Saint Louis, MO, 63141. Phone: (314) 991-5000. Providers update this record themselves, so call before visiting.

How can I verify Melissa A. Portell, WHNP's license?

NPPES lists Missouri license number 155597, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.