FREDERICK INGLIS RUDOLF EYERER MD
NPI 1104320696
Pathology - Anatomic Pathology & Clinical Pathology in Bangor, ME

Q: What is Frederick Eyerer's NPI number?

The NPI number for Frederick Eyerer is 1104320696. It was assigned to this individual provider in the NPPES registry on March 20, 2018.

Q: What is Frederick Eyerer's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Frederick Eyerer was last updated on June 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since March 20, 2018PECOS EnrolledAccepts Medicare Assignment

93.67/100

CMS Quality Rating

417 STATE ST STE 439, BANGOR, ME 04401(207) 941-8200(207) 990-4846 Get Directions Write a Review

NPPES record last updated: June 28, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Frederick Inglis Rudolf Eyerer Md NPPES

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

FREDERICK INGLIS RUDOLF EYERER MD (NPI 1104320696) is an individual anatomic pathology & clinical pathology provider in Bangor, Maine, licensed in Maine (MD26909) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with St Joseph Hospital, and is a graduate of Tufts University School Of Medicine (2018).

NPPES Registry Identity

NPI1104320696

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameFREDERICK INGLIS RUDOLF EYERERCredential: MD

Location Address417 STATE ST STE 439Bangor, ME 04401-6635

Mailing Address53 Spruce St Apt 1Portland, ME 04102-3715

Phone(207) 941-8200

Fax(207) 990-4846

Sole ProprietorNo

Medical School CMSTufts University School Of MedicineGraduated 2018

Enumeration DateMarch 20, 2018

Last NPPES UpdateJune 28, 2023

NPPES CertifiedJune 28, 2023

✔ NPI 1104320696 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in ME · MD26909

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

417 STATE ST STE 439, Bangor, ME 04401

Open in Google Maps ↗

Other Identifiers 1

OtherMD26909ME · Board Of Licensure In Medicine

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Frederick Inglis Rudolf Eyerer 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 ID6204190887

PECOS Enrollment IDI20230711002994

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 Frederick Eyerer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dahl Chase Pathology Associates, PA

Same address

Anatomic Pathology & Clinical Pathology

417 STATE ST STE 439
Bangor, ME 04401

Reassigned Medicare billing, Maine enrollment
15 clinicians in this Medicare group

NPI 1992726913 (207) 941-8200

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 21

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.

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

682 services160 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

407 services284 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

253 services209 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

251 services167 patients

Microscopic genetic analysis of tumor, manual 88360

Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.

172 services71 patients

Special stained specimen slides to examine tissue, each multiplex procedure 88344

Special stained specimen slides are used to study tissue in detail. This multiplex procedure involves applying different dyes to the tissue sample on a slide to highlight specific elements. These colors help identify any abnormalities in the tissue, aiding in accurate diagnosis and treatment planning.

136 services102 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

125 services110 patients

Microscopic genetic analysis of tissue, manual, each additional multiplex stain procedure 88377

Microscopic genetic analysis of tissue is a detailed lab process that examines your cells' genetic material. If more than one stain procedure is needed, it's termed an 'additional multiplex stain procedure'. This helps to highlight different components within your cells, aiding in accurate diagnosis and treatment planning.

91 services33 patients

Preparation of tissue for examination by removing any calcium present 88311

This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.

78 services59 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

65 services39 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

55 services21 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

34 services32 patients

Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method G0416

This procedure involves taking a small tissue sample from your gland located beneath your bladder. The sample is then examined under a microscope by a pathologist to check for any abnormalities or diseases. This is a standard method to ensure your well-being.

33 services33 patients

Preparation of specimen, manual 88381

The preparation of a specimen manually is a procedure where a sample from your body is collected by a healthcare professional. This could be blood, urine, or tissue. The sample is then prepared in a lab for further analysis to help diagnose or monitor your health condition.

32 services32 patients

Molecular pathology procedure; physician interpretation and report G0452

A molecular pathology procedure involves analyzing your body's cells at a molecular level to identify any abnormalities. This can help detect diseases early. A physician will interpret the results and provide a detailed report, explaining the findings clearly.

32 services32 patients

Special stained specimen slides to examine tissue, each multiplex procedure 88344

29 services12 patients

Pathology examination of tissue using a microscope, high complexity 88309

A high complexity pathology examination involves studying body tissue under a microscope to identify any abnormalities. This intricate process helps in diagnosing various conditions and deciding on the best treatment plan.

24 services23 patients

X-ray of surgical specimen 76098

An X-ray of a surgical specimen involves taking detailed images of the tissue or organ removed during surgery. This helps in examining the specimen more closely to understand the disease better. It's a safe, non-invasive procedure, providing valuable insights to your healthcare team.

23 services20 patients

Pathology examination of tissue using a microscope 88302

A pathology examination of tissue involves studying a small sample of your body's cells under a microscope. This helps identify any abnormalities or diseases, such as cancer. The process is crucial for accurate diagnosis and treatment planning.

21 services18 patients

Pathology examination of tissue using a microscope, limited examination 88300

A pathology examination of tissue using a microscope is a procedure where a small sample of your tissue is observed under a microscope. This limited examination helps identify any abnormal cells or signs of disease, aiding in accurate diagnosis and treatment planning.

17 services15 patients

Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method G0416

13 services13 patients

Hospital Affiliations CMS Care Compare 5

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

St Joseph Hospital

Acute Care Hospitals · Bangor, ME

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number200001

Location360 BroadwayBangor, ME 04401 · Penobscot County

Emergency services

Northern Light Health

Acute Care Hospitals · Portland, ME

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number200008

Location144 State StreetPortland, ME 04101 · Cumberland County

Emergency services Birthing friendly

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

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

Redington Fairview General Hospital

Critical Access Hospitals · Skowhegan, ME

4/5 CMS rating

OwnershipProprietary

CMS Certification Number201314

Location46 Fairview Ave PO Box 468Skowhegan, ME 04976 · Somerset County

Emergency services

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.

93.67/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

Improvement Activities

Other Providers at the Same Location NPPES 17

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

DR. JOHN KAISER M.D.

Specialist