NPPES file of Aug 9, 2026

Mary Kipp Hammerstein, LMFT-A

Marriage & Family Therapist · Warwick, RI

Mary Kipp Hammerstein, LMFT-A is a marriage & family therapist with a practice address in Warwick, Rhode Island, and NPI 1447007935, issued on May 2, 2024. Check the license (Rhode Island MFT00009-A, as entered in NPPES) with the Rhode Island 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
1447007935
Name
Mary Kipp Hammerstein
Credential
LMFT-A
Primary taxonomy
Marriage & Family Therapist 106H00000X
License number
MFT00009-A RI
Self-reported in NPPES; status is on the state search
Practice location
50 Health LN, Warwick, RI 02886
Phone
(401) 732-5656
Enumerated
May 2, 2024
Record last updated
May 2, 2024
Fax
(401) 738-8634
Medicare enrollment
Enrolled (PECOS I20250528000528); 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 marriage & family therapist records → All 171 in Rhode Island → Look up another NPI →

Also registered at 50 Health LN

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

  1. Ronald Abrams, LICSWClinical Social Worker1255433710
  2. Alicia Adams, MAMental Health Counselor1285991224
  3. Fay Baker, LICSWClinical Social Worker1386864395
  4. Jamie Banes, BA,LCDPAddiction (Substance Use Disorder) Counselor1255637336
  5. Stacey BardenClinical Social Worker1851709950
  6. Catherine Calise, LICSWClinical Social Worker1205148137

Verify Mary Kipp Hammerstein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Rhode Island board licenses this profession
    Search for license MFT00009-A    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 Rhode Island 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. Thrive Behavioral Health IncWarwick, RI

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

Mary Kipp Hammerstein among 171 marriage & family therapist records in Rhode Island

Mary Kipp Hammerstein, LMFT-A is one of 171 marriage & family therapist records with a practice address in Rhode Island. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 85% of them.

  • NPI issued2024 · 85% of these records are older, 10% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 15% of these records are
  • Graduated2023 · median 2007 among the 26 with a school on file
  • Record last updated2024 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 106H00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

29 marriage & family therapist records list a practice address in Warwick

They are 29 of the 2,776 NPPES records with a practice address in Warwick, and 171 marriage & family therapist records in Rhode Island.

All 171 in Rhode Island → Every provider in Warwick → Marriage & Family Therapist nationwide →

The 8 marriage & family therapist records with the nearest ZIP codes

  1. Concetta Chevalier, LMFTWarwick, RI 028861851338180
  2. Dawn Gonsalves, LCMHCWarwick, RI 028861508107426
  3. Alyssa Hanson, LMFTWarwick, RI 028861477899631
  4. Mackenzie Hardman, LMFTWarwick, RI 028861649755307
  5. Elizabeth Houde, MFTWarwick, RI 028861669513719
  6. Meredith Ingebretsen, LMFTWarwick, RI 028861669830402
  7. Katherine Kinsella, ED.D, LMFT, LMHCWarwick, RI 028861649678178
  8. Janet McElroy, LMHC LMFTWarwick, RI 028861255459913

Common questions

What is Mary Kipp Hammerstein, LMFT-A's NPI number?

Mary Kipp Hammerstein, LMFT-A's National Provider Identifier (NPI) is 1447007935, issued on May 2, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Mary Kipp Hammerstein, LMFT-A located?

The NPPES record lists a practice address at 50 Health LN, Warwick, RI, 02886. Phone: (401) 732-5656. Providers update this record themselves, so call before visiting.

How can I verify Mary Kipp Hammerstein, LMFT-A's license?

NPPES lists Rhode Island license number MFT00009-A, as entered by the provider. Search the Rhode Island 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.