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SETH RITTER M.D.
NPI 1144531781
Emergency Medicine in Lewiston, ME

Active since June 29, 2010PECOS Enrolled
98.06/100
CMS Quality Rating
300 MAIN ST, LEWISTON, ME 04240(207) 795-0111 Get Directions Write a Review

NPPES record last updated: September 15, 2014. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Seth Ritter M.d. NPPES

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

SETH RITTER M.D. (NPI 1144531781) is an individual emergency medicine provider in Lewiston, Maine, licensed in Maine (MD20270) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144531781
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameSETH RITTERCredential: M.D.
Location Address300 MAIN STLewiston, ME 04240-7027
Mailing Address300 Main StLewiston, ME 04240-7027 · (207) 795-0111
Phone(207) 795-0111
Sole ProprietorNo
Enumeration DateJune 29, 2010
Last NPPES UpdateSeptember 15, 2014
✔ NPI 1144531781 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 · MD20270
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.
300 MAIN ST, Lewiston, ME 04240
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Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Seth Ritter M.d. 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 Reassignments

8

Medicare enrollment records show Seth Ritter reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Central Maine Medical Center
Same address
General Acute Care Hospital
300 MAIN ST
Lewiston, ME 04240
  • Reassigned Medicare billing, Maine enrollment
  • 920 clinicians in this Medicare group
NPI 1689653487 (207) 795-5646
Mainehealth
17 mi
Critical Access
181 MAIN ST
Norway, ME 04268
  • Reassigned Medicare billing, Maine enrollment
  • Also billed through NPI 1912094806 (Maine), NPI 1922791417 (Maine)
  • 3,140 clinicians in this Medicare group
NPI 1447730247 (207) 743-5933
Bluewater Emergency Partners Of Brunswick, LLC
18 mi
Emergency Medicine
14 MAINE ST STE 306
Brunswick, ME 04011
  • Reassigned Medicare billing, Maine enrollment
  • 170 clinicians in this Medicare group
NPI 1043640204 (207) 725-9065
Bridgton Hospital
25 mi
Critical Access
10 HOSPITAL DR
Bridgton, ME 04009
  • Reassigned Medicare billing, Maine enrollment
  • 563 clinicians in this Medicare group
NPI 1154370153 (207) 795-5709
Rumford Hospital
35 mi
Critical Access
420 FRANKLIN ST
Rumford, ME 04276
  • Reassigned Medicare billing, Maine enrollment
  • 544 clinicians in this Medicare group
NPI 1205991122 (207) 369-1000
Androscoggin Valley Hospital, Inc.
54 mi
Critical Access
59 PAGE HILL RD
Berlin, NH 03570
  • Reassigned Medicare billing, New Hampshire enrollment
  • Also billed through NPI 1679526644 (New Hampshire)
  • 128 clinicians in this Medicare group
NPI 1386680593 (603) 326-5827
Weeks Medical Center
54 mi
Community/Behavioral Health
7 PAGE HILL RD
Berlin, NH 03570
  • Reassigned Medicare billing, New Hampshire enrollment
  • 126 clinicians in this Medicare group
NPI 1366900219 (603) 342-5000
Houlton Regional Hospital
182 mi
Critical Access
20 HARTFORD ST
Houlton, ME 04730
  • Reassigned Medicare billing, Maine enrollment
  • 129 clinicians in this Medicare group
NPI 1508823741 (207) 532-2900

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 6

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.
184 services179 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
158 services152 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.
99 services99 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.
37 services37 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
17 services17 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.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04240 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.

ANGELA WOOD CRNA
Nurse Anesthetist, Certified Registered
300 MAIN ST, CENTRAL MAINE MEDICAL CENTER
LEWISTON, ME 04240
Androscoggin County (207) 795-0111
DANA MCCOY PT
Physical Therapist
300 MAIN ST
LEWISTON, ME 04240
Androscoggin County (207) 795-0111
ELIZABETH ROBIN STOKEM SLP
Speech-Language Pathologist
300 MAIN ST
LEWISTON, ME 04240
Androscoggin County (207) 795-2590
ASHA HASSAN MOHAMUD MD
Internal Medicine
300 MAIN ST
LEWISTON, ME 04240
Androscoggin County (207) 795-0111
JERROLD T. GALE M.D.
Radiology (Diagnostic Radiology)
300 MAIN ST
LEWISTON, ME 04240
Androscoggin County (207) 795-2400
GLENDA MICHELLE KRIBEL CRNA
Nurse Anesthetist, Certified Registered
300 MAIN ST
LEWISTON, ME 04240
Androscoggin County (207) 795-0111
TAMARA WILLOUGHBY MD
Emergency Medicine
300 MAIN ST
LEWISTON, ME 04240
Androscoggin County (207) 795-5011
NANCY ASAMOA MD
Internal Medicine
300 MAIN ST
LEWISTON, ME 04240
Androscoggin County (207) 795-0111

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 Seth Ritter's NPI number?

The NPI number for Seth Ritter is 1144531781. It was assigned to this individual provider in the NPPES registry on June 29, 2010.

Where is Seth Ritter located?

Seth Ritter practices at 300 Main St, Lewiston, ME 04240. The listed phone number is (207) 795-0111.

What is Seth Ritter's specialty?

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

Is Seth Ritter enrolled in Medicare?

Yes. Seth Ritter is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Seth Ritter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Seth Ritter reassigns Medicare benefits to 8 organizations: Central Maine Medical Center (Lewiston, ME), Mainehealth (Norway, ME), Bluewater Emergency Partners Of Brunswick, LLC (Brunswick, ME), Bridgton Hospital (Bridgton, ME), Rumford Hospital (Rumford, ME) and 3 more organizations, listed in the Medicare section above. Each 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 Seth Ritter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Seth Ritter accept?

Health plans from Taro Health and WellSense Health Plan list Seth Ritter 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 Seth Ritter was last updated on September 15, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years 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.