RYAN J GRIFFIN (R.N., N.P.) – Psychiatric/Mental Health Nurse Practitioner, NPI 1801188644

Psychiatric/Mental Health Nurse Practitioner

RYAN J GRIFFIN (R.N., N.P.) is a healthcare provider. based in Lynn, Massachusetts. specializing in NURSE PRACTITIONER. They hold the professional credentials R.N., N.P.. They hold a License No. RN2270208 (MA). The NPI Number for RYAN J GRIFFIN (R.N., N.P.) is 1801188644

Main info

Male

Sole Proprietor

14 Years Of Experience

Accepts Medicare Assignment

Name

RYAN J GRIFFIN (R.N., N.P.)

NPI

1801188644

Phone

(781) 477-7222

Address

269 UNION ST

Enumeration Date

12 May 2011

Last Update Date

18 October 2012

Doctor Profile

Medical School Name

OTHER

Secondary Phone

9787448388

Graduation Year

2012 (14 years ago)

PAC ID

9234452723

Group Practice PAC ID

4880666452

Professional Enrollment ID

I20190425000044

Address ID

MA019707308SA47XXXSTXX300

Data current as of

20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience49

Completeness75

Years active:15State licenses:1Digital endpointsOther names

8,971 NURSE PRACTITIONER in MA

Provider Addresses for RYAN J GRIFFIN (R.N., N.P.)

269 UNION ST
LYNN, MA 019011314
Phone: (781) 477-7222
Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2019-04-25

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

Medicare enrolled
On CMS revalidation list
Due date assigned
Revalidate in PECOS

CMS enrollment records

Enrollment ID	Type	Specialty	State	Due date
I20190425000044	I	Nurse Practitioner	MA	TBD

What to do next

No action required while the due date shows TBD.
Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 01901)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.

PAC ID: 4880666452View full group profile

Name	Specialty	State
GEORGE NJOROGE	Nurse Practitioner	MA
ELIZABETH FISK WELLS (NP)	Nurse Practitioner	MA
KIHUNGI MARTHA NJOKI	Nurse Practitioner	MA
MARY PRUM TALJIC (NP)	Nurse Practitioner	MA
NAJWA HOLTZMAN (NP)	-	NH
RACHEL E. WARD (MSN, APRN, FNP-BC)	Nurse Practitioner	MA
JAILENE ANGELICA ROMAN (FNP)	Nurse Practitioner	MA
ROBERT E SLOCUM (DO)	Family Practice	MA
KATHRYN VIONA OAS (AGNP)	Nurse Practitioner	MA
ALLISON W KILCOYNE (NP)	-	MA

Reviews

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Frequently asked questions

What is the standard ID for RYAN J GRIFFIN (R.N., N.P.) in the U.S.?

In the U.S., RYAN J GRIFFIN (R.N., N.P.) is identified by NPI 1801188644.

Should I treat RYAN J GRIFFIN (R.N., N.P.) as an active provider?

Patients and plans typically see RYAN J GRIFFIN (R.N., N.P.) as active in the national extract.

What does the directory say RYAN J GRIFFIN (R.N., N.P.) does?

Insurance directories may phrase it differently, but here RYAN J GRIFFIN (R.N., N.P.) maps to Psychiatric/Mental Health Nurse Practitioner. Clinical services aligned with this taxonomy classification.

Is RYAN J GRIFFIN (R.N., N.P.) tied to Lynn, Massachusetts?

If you are local to Lynn, Massachusetts, RYAN J GRIFFIN (R.N., N.P.) may be relevant to your search.

Why is information missing for RYAN J GRIFFIN (R.N., N.P.)?

Providers choose how much contact data to publish. Missing fields do not mean the profile is fake.