NPPES file of Aug 9, 2026

Lillianna Griggs, PMHNP

Psychiatric/Mental Health Nurse Practitioner · Quincy, MA

Lillianna Griggs, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Quincy, Massachusetts, and NPI 1669082962, issued on Aug 3, 2020. Check the license (Massachusetts 2326872, as entered in NPPES) with the Massachusetts 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669082962
Name
Lillianna Griggs
Credential
PMHNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
2326872 MA
Self-reported in NPPES; status is on the state search
Practice location
1250 Hancock St, Quincy, MA 02169
Phone
(617) 774-0920
Enumerated
Aug 3, 2020
Record last updated
Nov 30, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210122001950); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 1250 Hancock St

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

  1. Harmony Abejuela, M.D.Psychiatry Physician1316259492
  2. Gigi Anchan, M.D.Pediatrics Physician1346225208
  3. Eric Anderson, M.D.Pediatrics Physician1205812443
  4. Mirza Baig, MDInternal Medicine Physician1780683276
  5. Marianne Balsamo, RNCSAdult Psychiatric/Mental Health Registered Nurse1043261274
  6. Molly Barrett, DDSDentist1407135577

Verify Lillianna Griggs in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 2326872
    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 Massachusetts 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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2.7 times the Medicare Part D claims of the average psychiatric/mental health nurse practitioner in 2024

2,456 Medicare Part D claims for 275 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 1% of claims.

  1. Lillianna Griggs2,456
  2. Specialty average906

Most prescribed

  1. Clonazepam234 claims
  2. Lorazepam233 claims
  3. Sertraline Hcl152 claims
  4. Trazodone Hcl152 claims
  5. Buspirone Hcl129 claims
  6. Fluoxetine Hcl120 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Atrius Health IncQuincy, MA

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

Lillianna Griggs among 2,169 psychiatric/mental health nurse practitioner records in Massachusetts

Lillianna Griggs, PMHNP is one of 2,169 psychiatric/mental health nurse practitioner records with a practice address in Massachusetts. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 45% of them.

  • NPI issued2020 · 45% of these records are older, 48% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2020 · median 2021 among the 1,309 with a school on file
  • Record last updated2020 · 23% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

26 psychiatric/mental health nurse practitioner records list a practice address in Quincy

They are 26 of the 2,716 NPPES records with a practice address in Quincy, and 2,169 psychiatric/mental health nurse practitioner records in Massachusetts.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Hilda Anigbogu, APRN, MSN, PMHNP-BCQuincy, MA 021691083258875
  2. Margaret Bonner, RNCS,PCQuincy, MA 021691447260138
  3. Donna Davis, RN, MSN, PMHCNS, CRNQuincy, MA 021691710114830
  4. Kathi Grafe, CNPQuincy, MA 021691417350042
  5. Ann Horrigan, NPQuincy, MA 021691659599785
  6. Alice Husted, NPQuincy, MA 021691043445489
  7. Shirline Jean, MSN, PMHNPQuincy, MA 021691609202340
  8. Dinna Khoy, PMHNP-BCQuincy, MA 021691720499536

Common questions

What is Lillianna Griggs, PMHNP's NPI number?

Lillianna Griggs, PMHNP's National Provider Identifier (NPI) is 1669082962, issued on Aug 3, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Lillianna Griggs, PMHNP located?

The NPPES record lists a practice address at 1250 Hancock St, Quincy, MA, 02169. Phone: (617) 774-0920. Providers update this record themselves, so call before visiting.

How can I verify Lillianna Griggs, PMHNP's license?

NPPES lists Massachusetts license number 2326872, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Lillianna Griggs, PMHNP prescribe under Medicare Part D?

In 2024, Lillianna Griggs, PMHNP had 2,456 Medicare Part D claims for 275 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions 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.

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.