Jonathan Taylor Grammer, MD
Emergency Medicine Physician · Brunswick, ME
Jonathan Taylor Grammer, MD is an emergency medicine physician with a practice address in Brunswick, Maine, and NPI 1003375189, issued on Mar 18, 2019. Check the license (Maine MD25342, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jonathan Taylor Grammer
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD25342 ME
Self-reported in NPPES; status is on the state search - Practice location
- 123 Medical Center Dr, Brunswick, ME 04011
- Phone
- (207) 373-6000
- Enumerated
- Mar 18, 2019
- Record last updated
- Apr 6, 2026
- Fax
- (207) 373-6080
- Medicare enrollment
- Enrolled (PECOS I20220728001897); accepts Medicare assignment
- Medical or professional school
- University Of South Alabama College Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 466 in Maine → Look up another NPI →
Also registered at 123 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Niall Adams, MB BCH BAODiagnostic Radiology Physician1982231163
- Stephen Austin, M.D.Diagnostic Radiology Physician1861442378
- Felicite Beaudoin, RN/IBCLCLactation Consultant (Registered Nurse)1902136740
- Kimberly Beaulieu, IBCLCLactation Consultant (Registered Nurse)1730416793
- Peggy Beaulieu, SLPSpeech-Language Pathologist1003288911
- Amanda Behnke, APRN-CNPPsychiatric/Mental Health Nurse Practitioner1831612357
Verify Jonathan Taylor Grammer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD25342Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% more Medicare Part D claims than the average emergency medicine physician in 2024
317 Medicare Part D claims for 219 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 19 claims were for opioids.
Most prescribed
- Cephalexin40 claims
- Amoxicillin-Clavulanate Potass33 claims
- Prednisone32 claims
- Ondansetron Odt24 claims
- Doxycycline Hyclate18 claims
- Hydrocodone-Acetaminophen15 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 3 group practices
- Bluewater Emergency Partners OF Brunswick, LLCLewiston, ME
- City OF CaribouCaribou, ME
- Emergency Medicine Services OF Maine LLCPresque Isle, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Taylor Grammer among 466 emergency medicine physician records in Maine
Jonathan Taylor Grammer, MD is one of 466 emergency medicine physician records with a practice address in Maine. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2019 · median 2011 among the 293 with a school on file
- Record last updated2026 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 emergency medicine physician records list a practice address in Brunswick
They are 11 of the 981 NPPES records with a practice address in Brunswick, and 466 emergency medicine physician records in Maine.
All 466 in Maine → Every provider in Brunswick → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Michael Bell, M.D.Brunswick, ME 040111316967375
- Marlene Cormier, MDBrunswick, ME 040111477640472
- Thomas Dancoes, D.O.Brunswick, ME 040111265573752
- Stuart Dilg, MDBrunswick, ME 040111346869120
- Peter Dipietrantonio, DOBrunswick, ME 040111942424114
- Annmarie Lattanzi, MDBrunswick, ME 040111811169030
- James Mullen, MDBrunswick, ME 040111770663312
- Nicole Nalchajian, MDBrunswick, ME 040111306919113
Common questions
What is Jonathan Taylor Grammer, MD's NPI number?
Jonathan Taylor Grammer, MD's National Provider Identifier (NPI) is 1003375189, issued on Mar 18, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Taylor Grammer, MD located?
The NPPES record lists a practice address at 123 Medical Center Dr, Brunswick, ME, 04011. Phone: (207) 373-6000. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Taylor Grammer, MD's license?
NPPES lists Maine license number MD25342, 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 Jonathan Taylor Grammer, MD prescribe under Medicare Part D?
In 2024, Jonathan Taylor Grammer, MD had 317 Medicare Part D claims for 219 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.