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DR. BAILEY IVA DITMER DO
NPI 1023545613
Emergency Medicine in Norway, ME

Active since May 15, 2017PECOS Enrolled
98.06/100
CMS Quality Rating
181 MAIN ST, NORWAY, ME 04268(207) 743-5933(207) 743-1566 Get Directions Write a Review

NPPES record last updated: April 29, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 21, 2022, Jul 27, 2021, May 15, 2017 (3 updates tracked since 2017).

About Dr. Bailey Iva Ditmer Do NPPES

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

DR. BAILEY IVA DITMER DO (NPI 1023545613) is an individual emergency medicine provider in Norway, Maine, licensed in Maine (DO3206) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1023545613
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. BAILEY IVA DITMERCredential: DO
Location Address181 MAIN STNorway, ME 04268-5664
Mailing Address181 Main StNorway, ME 04268-5664 · (207) 743-5933 · Fax (207) 743-1566
Phone(207) 743-5933
Fax(207) 743-1566
Sole ProprietorNo
Enumeration DateMay 15, 2017
Last NPPES UpdateApril 29, 20253 updates tracked since enumeration
NPPES CertifiedApril 29, 2025
✔ NPI 1023545613 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 · DO3206
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.
181 MAIN ST, Norway, ME 04268
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1111 Franklin Health CmnsFarmington, ME 04938-6144 · Phone (207) 778-6031
Location 2205 N East AveJackson, MI 49201-1753 · Phone (517) 205-3994 · Fax (517) 205-7050

Other Identifiers 2

Other5101024534MI · State License
OtherDO3206ME · State License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Bailey Iva Ditmer Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Bailey Ditmer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mainehealth
Same address
Critical Access
181 MAIN ST
Norway, ME 04268
  • Reassigned Medicare billing, Maine enrollment
  • Also billed through NPI 1346299815 (Maine), NPI 1922791417 (Maine)
  • 3,140 clinicians in this Medicare group
NPI 1447730247 (207) 743-5933

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 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.
49 services49 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.
31 services30 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04268 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.

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.

MAINEHEALTH
Medicare Defined Swing Bed Unit
181 MAIN ST
NORWAY, ME 04268
Oxford County (207) 743-5933
MACKENZIE TRUMAN
Physical Medicine & Rehabilitation
181 MAIN ST
NORWAY, ME 04268
Oxford County (207) 744-6160
JOHN H SIMMONS D.O.
Emergency Medicine (Emergency Medical Services)
181 MAIN ST
NORWAY, ME 04268
Oxford County (207) 743-5933
JARROD ALLMAN TAYLOR PT
Physical Therapist
181 MAIN ST
NORWAY, ME 04268
Oxford County (207) 744-6160
DR. THOMAS JAMES HEWSON M.D.
Emergency Medicine
181 MAIN ST
NORWAY, ME 04268
Oxford County (207) 743-5933
CORA CAITLIN STRIEGEL DPT
Physical Medicine & Rehabilitation
181 MAIN ST
NORWAY, ME 04268
Oxford County (207) 744-6160
RUSSELL D FLORENZ D.O.
Emergency Medicine (Emergency Medical Services)
181 MAIN ST
NORWAY, ME 04268
Oxford County (207) 743-5933
SHELLIE LEGER LCSW
Social Worker (Clinical)
181 MAIN ST
NORWAY, ME 04268
Oxford County (207) 294-7096

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 Bailey Ditmer's NPI number?

The NPI number for Bailey Ditmer is 1023545613. It was assigned to this individual provider in the NPPES registry on May 15, 2017.

Where is Bailey Ditmer located?

Bailey Ditmer practices at 181 Main St, Norway, ME 04268. The listed phone number is (207) 743-5933.

What is Bailey Ditmer's specialty?

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

Is Bailey Ditmer enrolled in Medicare?

Yes. Bailey Ditmer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Bailey Ditmer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Bailey Ditmer reassigns Medicare benefits to Mainehealth (Norway, ME). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Bailey Ditmer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Bailey Ditmer accept?

Health plans from Taro Health list Bailey Ditmer 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.

When was this NPI record last updated?

The NPPES record for Bailey Ditmer was last updated on April 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.