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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GRIFFIN JAMES REED MD
NPI 1952927303
Specialist in Portland, ME

Active since June 22, 2020PECOS EnrolledAccepts Medicare Assignment
51 SEWALL ST STE 1, PORTLAND, ME 04102(207) 370-3105(207) 874-7478 Get Directions Write a Review

NPPES record last updated: September 23, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 23, 2026, Jul 26, 2026, Jun 1, 2026 and 3 more (6 updates tracked since 2020).

About Dr. Griffin James Reed Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GRIFFIN JAMES REED MD (NPI 1952927303) is an individual specialist in Portland, Maine, licensed in Maine (MD030169) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1952927303
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. GRIFFIN JAMES REEDCredential: MD
Location Address51 SEWALL ST STE 1Portland, ME 04102-2697
Mailing Address200 1st St SwRochester, MN 55905-0001 · (507) 284-2511
Phone(207) 370-3105
Fax(207) 874-7478
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateJune 22, 2020
Last NPPES UpdateSeptember 23, 20266 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2026
✔ NPI 1952927303 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in ME · MD030169
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Also ListedInternal MedicineTaxonomy 207R00000X · License LP05096 (RI)
Also ListedInternal Medicine · RheumatologyTaxonomy 207RR0500X · License 73514 (MN)
51 SEWALL ST STE 1, Portland, ME 04102
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, WellSense Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Griffin James Reed Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9931524667
PECOS Enrollment IDI20230518001024
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Griffin Reed reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rheumatology Associates P.A.
Same address
Specialist
51 SEWALL ST
Portland, ME 04102
  • Reassigned Medicare billing, Maine enrollment
  • 10 clinicians in this Medicare group
NPI 1003098252 (207) 370-3105
York Hospital
40 mi
General Acute Care Hospital
15 HOSPITAL DR
York, ME 03909
  • Reassigned Medicare billing, Maine enrollment
  • 347 clinicians in this Medicare group
NPI 1376528398 (207) 361-2398
Mayo Clinic
1,105 mi
Infectious Disease
200 1ST ST SW
Rochester, MN 55905
  • Reassigned Medicare billing, Minnesota enrollment
  • 6,534 clinicians in this Medicare group
NPI 1114343860 (507) 284-2511

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
36 services32 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
21 services21 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mayo Clinic Hospital Rochester

Acute Care Hospitals · Rochester, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number240010
Location1216 Second Street SouthwestRochester, MN 55902 · Olmsted County
Emergency services Birthing friendly

Mayo Clinic Health System In Red Wing

Acute Care Hospitals · Red Wing, MN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240018
Location701 Hewitt BoulevardRed Wing, MN 55066 · Goodhue County
Emergency services Birthing friendly

Mayo Clinic Health System - Albert Lea And Austin

Acute Care Hospitals · Albert Lea, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240043
Location404 West Fountain StreetAlbert Lea, MN 56007 · Freeborn County
Emergency services Birthing friendly

Mayo Clinic Health System - Mankato

Acute Care Hospitals · Mankato, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240093
Location1025 Marsh StreetMankato, MN 56001 · Blue Earth County
Emergency services Birthing friendly

Mayo Clinic Health System - Cannon Falls

Critical Access Hospitals · Cannon Falls, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number241346
Location32021 County 24 BoulevardCannon Falls, MN 55009 · Goodhue County
Emergency services

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier11 claims11 services$215.80 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. KELLY IRENE DALY APRN, FNP-C
Nurse Practitioner (Family)
51 SEWALL ST STE 1
PORTLAND, ME 04102
Cumberland County (207) 774-5761
JESSICA ESTHER RADWAY PA-C
Specialist
51 SEWALL ST STE 1
PORTLAND, ME 04102
Cumberland County (207) 774-5761
KATHERINE KELLER DO
Specialist
51 SEWALL ST STE 1
PORTLAND, ME 04102
Cumberland County (207) 774-5761
THOMAS CHARLES HOPKINS NP
Nurse Practitioner (Family)
51 SEWALL ST STE 1
PORTLAND, ME 04102
Cumberland County (207) 774-5761
ERIN KIMBERLEY LITTLE M.D.
Specialist
51 SEWALL ST STE 1
PORTLAND, ME 04102
Cumberland County (207) 774-5761

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Griffin Reed's NPI number?

The NPI number for Griffin Reed is 1952927303. It was assigned to this individual provider in the NPPES registry on June 22, 2020.

Where is Griffin Reed located?

Griffin Reed practices at 51 Sewall St Ste 1, Portland, ME 04102. The listed phone number is (207) 370-3105.

What is Griffin Reed's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Griffin Reed enrolled in Medicare?

Yes. Griffin Reed is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Griffin Reed's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Griffin Reed reassigns Medicare benefits to 3 organizations: Rheumatology Associates P.A. (Portland, ME), York Hospital (York, ME) and Mayo Clinic (Rochester, MN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Griffin Reed's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Griffin Reed accept?

Health plans from Anthem Blue Cross and Blue Shield and WellSense Health Plan list Griffin Reed as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Griffin Reed affiliated with any hospitals?

According to CMS data, Griffin Reed is affiliated with Mayo Clinic Hospital Rochester, Mayo Clinic Health System In Red Wing, Mayo Clinic Health System - Albert Lea And Austin, Mayo Clinic Health System - Mankato and Mayo Clinic Health System - Cannon Falls.

When was this NPI record last updated?

The NPPES record for Griffin Reed was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.