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

DR. AARON SAMUEL RATNER DO, MS
NPI 1063708766
Emergency Medicine in Farmington, ME

Active since June 22, 2011PECOS EnrolledAccepts Medicare Assignment
111 FRANKLIN HEALTH CMNS, FARMINGTON, ME 04938(207) 778-6031(207) 779-2632 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 12, 2026, Mar 19, 2026, Feb 28, 2025 and 2 more (5 updates tracked since 2024).

About Dr. Aaron Samuel Ratner Do, Ms NPPES

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

DR. AARON SAMUEL RATNER DO, MS (NPI 1063708766) is an individual emergency medicine provider in Farmington, Maine, licensed in Pennsylvania (OS016425) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Upmc Carlisle, and maintains 6 additional practice locations.

NPPES Registry Identity

NPI1063708766
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. AARON SAMUEL RATNERCredential: DO, MS
Location Address111 FRANKLIN HEALTH CMNSFarmington, ME 04938-6144
Mailing Address2100 Mack Blvd Fl 4Allentown, PA 18103-5622 · (484) 884-4500
Fax(207) 779-2632
Sole ProprietorNo
Medical School CMSPhiladelphia College Of Osteopathic MedicineGraduated 2011
Enumeration DateJune 22, 2011
Last NPPES UpdateAugust 12, 20265 updates tracked since enumeration
NPPES CertifiedAugust 12, 2026
NPI 1063708766 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses Licensed in PA · OS016425 Licensed in PA · OT014189 Licensed in ME · DO3925 Licensed in DE · C2-0024945 Licensed in ME · LT4005
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.
111 FRANKLIN HEALTH CMNS, Farmington, ME 04938

Secondary Practice Locations 6

Location 136 Robinhood DrEtters, PA 17319-9528 · Phone (717) 388-7300
Location 24755 Ogletown Stanton RdNewark, DE 19718-2200 · Phone (302) 733-1806
Location 3100 Hospital AveDu Bois, PA 15801-1440 · Phone (814) 371-2200
Location 41200 S Cedar Crest BlvdAllentown, PA 18103-6202 · Phone (484) 862-3232
Location 51201 Letort Springs WayCarlisle, PA 17015-8011 · Phone (717) 674-7600
Location 614781 Wolfe RdNew Freedom, PA 17349-9571 · Phone (717) 326-1880

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. Aaron Samuel Ratner Do, Ms 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 ID3577709252
PECOS Enrollment IDI20140708001004, I20240709001047
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 2

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 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.
65 services64 patients
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.
62 services62 patients

Hospital Affiliations CMS Care Compare 3

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

Upmc Carlisle

Acute Care Hospitals · Carlisle, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390058
Location361 Alexander Spring RoadCarlisle, PA 17015 · Cumberland County
Emergency services Birthing friendly

Wayne Memorial Hospital

Acute Care Hospitals · Honesdale, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390125
Location601 Park StreetHonesdale, PA 18431 · Wayne County
Emergency services Birthing friendly

Lehigh Valley Hospital - Dickson City

Acute Care Hospitals · Dickson City, PA
OwnershipVoluntary non-profit - Private
CMS Certification Number390338
Location330 Main StreetDickson City, PA 18519 · Lackawanna County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04938 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
$82.58 typical visit price
range $53.26 – $162.77
Typical copayment $20.64 (range $13.31 – $40.69)
Most-billed visit code 99203
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.

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.

Emergency Medicine
111 FRANKLIN HEALTH CMNS
FARMINGTON, ME 04938
Registered Nurse
111 FRANKLIN HEALTH CMNS
FARMINGTON, ME 04938
Emergency Medicine
111 FRANKLIN HEALTH CMNS
FARMINGTON, ME 04938
Occupational Therapist (Physical Rehabilitation)
111 FRANKLIN HEALTH CMNS
FARMINGTON, ME 04938
Hospitalist
111 FRANKLIN HEALTH CMNS
FARMINGTON, ME 04938
Registered Nurse (Emergency)
111 FRANKLIN HEALTH CMNS
FARMINGTON, ME 04938
Emergency Medicine
111 FRANKLIN HEALTH CMNS
FARMINGTON, ME 04938
Emergency Medicine
111 FRANKLIN HEALTH CMNS
FARMINGTON, ME 04938

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 Aaron Ratner's NPI number?

The NPI number for Aaron Ratner is 1063708766. It was assigned to this individual provider in the NPPES registry on June 22, 2011.

Where is Aaron Ratner located?

Aaron Ratner practices at 111 Franklin Health Cmns, Farmington, ME 04938. The listed phone number is (207) 778-6031.

What is Aaron Ratner's specialty?

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

Is Aaron Ratner enrolled in Medicare?

Yes. Aaron Ratner 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 Aaron Ratner accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan and WellSense Health Plan list Aaron Ratner 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 Aaron Ratner affiliated with any hospitals?

According to CMS data, Aaron Ratner is affiliated with Upmc Carlisle, Wayne Memorial Hospital and Lehigh Valley Hospital - Dickson City.

When was this NPI record last updated?

The NPPES record for Aaron Ratner was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.