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

DANIEL JEFFREY GRIFFIN MD
NPI 1831779867
Internal Medicine - Endocrinology, Diabetes & Metabolism in Portland, ME

Active since April 13, 2021PECOS Enrolled
84 MARGINAL WAY STE 700, PORTLAND, ME 04101(207) 774-5816 Get Directions Write a Review

NPPES record last updated: September 17, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 17, 2026, Jun 2, 2026, Apr 13, 2021 (3 updates tracked since 2021).

About Daniel Jeffrey Griffin Md NPPES

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

DANIEL JEFFREY GRIFFIN MD (NPI 1831779867) is an individual endocrinology, diabetes & metabolism provider in Portland, Maine, licensed in Maine (MD30506) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and is a graduate of University Of Arkansas College Of Medicine (2021).

NPPES Registry Identity

NPI1831779867
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDANIEL JEFFREY GRIFFINCredential: MD
Location Address84 MARGINAL WAY STE 700Portland, ME 04101-2481
Mailing Address100 Gannett Drive, Suite CSouth Portland, ME 04106 · (207) 347-2947
Sole ProprietorYes
Medical School CMSUniversity Of Arkansas College Of MedicineGraduated 2021
Enumeration DateApril 13, 2021
Last NPPES UpdateSeptember 17, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 17, 2026
✔ NPI 1831779867 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in ME · MD30506
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
84 MARGINAL WAY STE 700, Portland, ME 04101

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Daniel Jeffrey Griffin Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8224438254
PECOS Enrollment IDI20260826003046
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 Reassignment

Medicare enrollment records show Daniel Griffin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
100 GANNETT DR, SUITE C
South Portland, ME 04106
  • Reassigned Medicare billing, Maine enrollment
  • 200 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$128.83 typical visit price
range $56.28 – $169.96
Typical copayment $32.20 (range $14.07 – $42.49)
Most-billed visit code 99204
Established Patient
$99.18 typical visit price
range $18.22 – $138.92
Typical copayment $24.79 (range $4.55 – $34.73)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 11

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

Nurse Practitioner
84 MARGINAL WAY STE 700
PORTLAND, ME 04101
Nurse Practitioner
84 MARGINAL WAY STE 700
PORTLAND, ME 04101
Nurse Practitioner
84 MARGINAL WAY STE 700
PORTLAND, ME 04101
Physician Assistant
84 MARGINAL WAY STE 700
PORTLAND, ME 04101
Social Worker
84 MARGINAL WAY STE 700
PORTLAND, ME 04101
Physician Assistant
84 MARGINAL WAY STE 700
PORTLAND, ME 04101
Registered Nurse (General Practice)
84 MARGINAL WAY STE 700
PORTLAND, ME 04101
Internal Medicine
84 MARGINAL WAY STE 700
PORTLAND, ME 04101

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 Daniel Griffin's NPI number?

The NPI number for Daniel Griffin is 1831779867. It was assigned to this individual provider in the NPPES registry on April 13, 2021.

Where is Daniel Griffin located?

Daniel Griffin practices at 84 Marginal Way Ste 700, Portland, ME 04101. The listed phone number is (207) 774-5816.

What is Daniel Griffin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Daniel Griffin enrolled in Medicare?

Yes. Daniel Griffin is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Daniel Griffin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Griffin reassigns Medicare benefits to Intermed, PA (South Portland, ME). The 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 Daniel Griffin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Daniel Griffin accept?

Health plans from Anthem Blue Cross and Blue Shield list Daniel Griffin 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.

When was this NPI record last updated?

The NPPES record for Daniel Griffin was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 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.