Daniel Jeffrey Griffin, MD
Endocrinology, Diabetes & Metabolism Physician · Portland, ME
Daniel Jeffrey Griffin, MD is an endocrinology, diabetes & metabolism physician with a practice address in Portland, Maine, and NPI 1831779867, issued on Apr 13, 2021. Check the license (Maine MD30506, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Daniel Jeffrey Griffin
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- MD30506 ME
Self-reported in NPPES; status is on the state search - Practice location
- 84 Marginal Way Ste 700, Portland, ME 04101
- Phone
- (207) 774-5816
- Enumerated
- Apr 13, 2021
- Record last updated
- Jun 2, 2026
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 28 in Maine → Look up another NPI →
Also registered at 84 Marginal Way Ste 700
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Boehm, RNGeneral Practice Registered Nurse1467259853
- Glenn Buchberger, MDInternal Medicine Physician1598054702
- Danielle Currier, PA-CPhysician Assistant1316183379
- Tiffany Jensen-Williams, APRNNurse Practitioner1063120376
- Ashley Johnson, FNPNurse Practitioner1992281117
- Jessica Johnson, RNNurse Practitioner1164137493
Verify Daniel Jeffrey Griffin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD30506Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
82 Medicare Part D claims for 31 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $127.79
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Daniel Jeffrey Griffin among 28 endocrinology, diabetes & metabolism physician records in Maine
Daniel Jeffrey Griffin, MD is one of 28 endocrinology, diabetes & metabolism physician records with a practice address in Maine. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 93% of them.
- NPI issued2021 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Maine
There are 28 endocrinology, diabetes & metabolism physician records in Maine.
All 28 in Maine → Every provider in Portland → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Wesley Fairfield, MD, ECNUPortland, ME 041011437138955
- Daniel Spratt, MDPortland, ME 041021710073366
- Khaled Al Sibai, MDScarborough, ME 040741144715327
- Jayachidambaram Ambalavanan, MDScarborough, ME 040741073173738
- Stephan Babirak, MDScarborough, ME 040741689619884
- S. Thomas Bigos, MDScarborough, ME 040741679502892
- Robert Bing-You, MDScarborough, ME 040741659303261
- Irwin Brodsky, MDScarborough, ME 040741326070905
Common questions
What is Daniel Jeffrey Griffin, MD's NPI number?
Daniel Jeffrey Griffin, MD's National Provider Identifier (NPI) is 1831779867, issued on Apr 13, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Jeffrey Griffin, MD located?
The NPPES record lists a practice address at 84 Marginal Way Ste 700, Portland, ME, 04101. Phone: (207) 774-5816. Providers update this record themselves, so call before visiting.
How can I verify Daniel Jeffrey Griffin, MD's license?
NPPES lists Maine license number MD30506, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Daniel Jeffrey Griffin, MD prescribe under Medicare Part D?
In 2024, Daniel Jeffrey Griffin, MD had 82 Medicare Part D claims for 31 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.