DR. KELLY MELISSA AGUILAR M.D.
NPI 1376938639
Hospitalist in Bangor, ME

Active since April 03, 2015PECOS EnrolledAccepts Medicare Assignment
98.06/100
CMS Quality Rating
489 STATE ST, BANGOR, ME 04401(207) 973-6676(207) 973-4441 Get Directions Write a Review

NPPES record last updated: January 21, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 21, 2026, Dec 21, 2022, Dec 2, 2022 and 4 more (7 updates tracked since 2019).

About Dr. Kelly Melissa Aguilar M.d. NPPES

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

DR. KELLY MELISSA AGUILAR M.D. (NPI 1376938639) is an individual hospitalist provider in Bangor, Maine, licensed in Maine (MD22451) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, is affiliated with Northern Light Eastern Maine Medical Center, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1376938639
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameDR. KELLY MELISSA AGUILARCredential: M.D.
Location Address489 STATE STBangor, ME 04401-6616
Mailing Address43 Whiting Hill Rd Ste 300Brewer, ME 04412-1006 · (207) 973-5000 · Fax (207) 973-5042
Fax(207) 973-4441
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateApril 3, 2015
Last NPPES UpdateJanuary 21, 20267 updates tracked since enumeration
NPPES CertifiedJanuary 21, 2026
NPI 1376938639 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in ME · MD22451
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
489 STATE ST, Bangor, ME 04401

Accepted Insurance

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. Kelly Melissa Aguilar M.d. 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 ID6608185483
PECOS Enrollment IDI20181204001166, I20201229003139
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 3

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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
168 services153 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
114 services112 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
38 services38 patients

Hospital Affiliations CMS Care Compare 3

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

Northern Light Eastern Maine Medical Center

Acute Care Hospitals · Bangor, ME
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200033
Location489 State StreetBangor, ME 04401 · Penobscot County
Emergency services Birthing friendly

Penobscot Bay Medical Center

Acute Care Hospitals · Rockport, ME
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200063
Location6 Glen Cove DriveRockport, ME 04856 · Knox County
Emergency services Birthing friendly

St Peters Health

Acute Care Hospitals · Helena, MT
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270003
Location2475 BroadwayHelena, MT 59601 · Lewis And Clark County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04401 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
$123.23 typical visit price
range $53.26 – $162.77
Typical copayment $30.80 (range $13.31 – $40.69)
Most-billed visit code 99204
Established Patient
$94.60 typical visit price
range $16.90 – $132.79
Typical copayment $23.65 (range $4.22 – $33.19)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.13
Promoting Interoperability100
Improvement Activities40

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.

Physician Assistant
489 STATE ST
BANGOR, ME 04401
Physician Assistant
489 STATE ST
BANGOR, ME 04401
Nurse Anesthetist, Certified Registered
489 STATE ST
BANGOR, ME 04401
Nurse Anesthetist, Certified Registered
489 STATE ST
BANGOR, ME 04401
Physician Assistant (Surgical)
489 STATE ST
BANGOR, ME 04401
Family Medicine
489 STATE ST
BANGOR, ME 04401
Nurse Practitioner
489 STATE ST, VASCULAR CARE OF MAINE
BANGOR, ME 04401
Hospitalist
489 STATE ST
BANGOR, ME 04401

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 Kelly Aguilar's NPI number?

The NPI number for Kelly Aguilar is 1376938639. It was assigned to this individual provider in the NPPES registry on April 3, 2015.

Where is Kelly Aguilar located?

Kelly Aguilar practices at 489 State St, Bangor, ME 04401. The listed phone number is (207) 973-6676.

What is Kelly Aguilar's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Kelly Aguilar enrolled in Medicare?

Yes. Kelly Aguilar 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.

What insurance does Kelly Aguilar accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP and Providence Health Plan list Kelly Aguilar 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 Kelly Aguilar affiliated with any hospitals?

According to CMS data, Kelly Aguilar is affiliated with Northern Light Eastern Maine Medical Center, Penobscot Bay Medical Center and St Peters Health.

When was this NPI record last updated?

The NPPES record for Kelly Aguilar was last updated on January 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.