DR. JONATHAN TAYLOR GRAMMER MD
NPI 1003375189
Emergency Medicine in Brunswick, ME

Active since March 18, 2019PECOS EnrolledAccepts Medicare Assignment
123 MEDICAL CENTER DR, BRUNSWICK, ME 04011(207) 373-6000(207) 373-6080 Get Directions Write a Review

NPPES record last updated: April 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 6, 2026, Jul 7, 2022, Mar 18, 2019 (3 updates tracked since 2019).

About Dr. Jonathan Taylor Grammer Md NPPES

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

DR. JONATHAN TAYLOR GRAMMER MD (NPI 1003375189) is an individual emergency medicine provider in Brunswick, Maine, licensed in Maine (MD25342) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Central Maine Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1003375189
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. JONATHAN TAYLOR GRAMMERCredential: MD
Location Address123 MEDICAL CENTER DRBrunswick, ME 04011-2652
Mailing Address123 Medical Center DrBrunswick, ME 04011-2652 · (207) 373-6000 · Fax (207) 373-6080
Fax(207) 373-6080
Sole ProprietorNo
Medical School CMSUniversity Of South Alabama College Of MedicineGraduated 2019
Enumeration DateMarch 18, 2019
Last NPPES UpdateApril 6, 20263 updates tracked since enumeration
NPPES CertifiedApril 6, 2026
NPI 1003375189 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in ME · MD25342
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
123 MEDICAL CENTER DR, Brunswick, ME 04011

Secondary Practice Locations 3

Location 11 Medical Center DrMorgantown, WV 26506-1200 · Phone (304) 293-2436 · Fax (304) 293-6702
Location 250 Union StEllsworth, ME 04605-1534 · Phone (207) 664-5311
Location 322 Station Ave Ste 102Brunswick, ME 04011-2092 · Phone (207) 406-7500 · Fax (207) 618-5674

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Jonathan Taylor Grammer 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 ID9638551203
PECOS Enrollment IDI20220728001897
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.

Areas of Expertise CMS Part B claims 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
179 services168 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
79 services78 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
31 services29 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
26 services25 patients

Hospital Affiliations CMS Care Compare 5

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

Central Maine Medical Center

Acute Care Hospitals · Lewiston, ME
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200024
Location300 Main StreetLewiston, ME 04240 · Androscoggin County
Emergency services Birthing friendly

Northern Light Maine Coast Hospital

Acute Care Hospitals · Ellsworth, ME
1/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number200050
Location50 Union StreetEllsworth, ME 04605 · Hancock County
Emergency services Birthing friendly

Mount Desert Island Hospital

Critical Access Hospitals · Bar Harbor, ME
OwnershipVoluntary non-profit - Private
CMS Certification Number201304
Location10 Wayman Lane, PO Box 8Bar Harbor, ME 04609 · Hancock County
Emergency services Birthing friendly

Rumford Hospital

Critical Access Hospitals · Rumford, ME
OwnershipProprietary
CMS Certification Number201306
Location420 Franklin StreetRumford, ME 04276 · Oxford County
Emergency services

Houlton Regional Hospital

Critical Access Hospitals · Houlton, ME
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number201308
Location20 Hartford StreetHoulton, ME 04730 · Aroostook County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04011 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
$86.72 typical visit price
range $56.28 – $169.96
Typical copayment $21.68 (range $14.07 – $42.49)
Most-billed visit code 99203
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 20

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

Nurse Anesthetist, Certified Registered
123 MEDICAL CENTER DR
BRUNSWICK, ME 04011
Speech-Language Pathologist
123 MEDICAL CENTER DR
BRUNSWICK, ME 04011
Pharmacy (Institutional Pharmacy)
123 MEDICAL CENTER DR
BRUNSWICK, ME 04011
Radiology (Diagnostic Radiology)
123 MEDICAL CENTER DR
BRUNSWICK, ME 04011
Anesthesiology
123 MEDICAL CENTER DR
BRUNSWICK, ME 04011
Anesthesiology
123 MEDICAL CENTER DR
BRUNSWICK, ME 04011
Nurse Practitioner (Psychiatric/Mental Health)
123 MEDICAL CENTER DR
BRUNSWICK, ME 04011
Hospitalist
123 MEDICAL CENTER DR
BRUNSWICK, ME 04011

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 Jonathan Grammer's NPI number?

The NPI number for Jonathan Grammer is 1003375189. It was assigned to this individual provider in the NPPES registry on March 18, 2019.

Where is Jonathan Grammer located?

Jonathan Grammer practices at 123 Medical Center Dr, Brunswick, ME 04011. The listed phone number is (207) 373-6000.

What is Jonathan Grammer's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Jonathan Grammer enrolled in Medicare?

Yes. Jonathan Grammer 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.

Is Jonathan Grammer affiliated with any hospitals?

According to CMS data, Jonathan Grammer is affiliated with Central Maine Medical Center, Northern Light Maine Coast Hospital, Mount Desert Island Hospital, Rumford Hospital and Houlton Regional Hospital.

When was this NPI record last updated?

The NPPES record for Jonathan Grammer was last updated on April 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.