DOUGLAS KEYSER M.D.
NPI 1902831688
Radiology - Radiation Oncology in Canton, OH

Q: What is Douglas Keyser's NPI number?

The NPI number for Douglas Keyser is 1902831688. It was assigned to this individual provider in the NPPES registry on July 11, 2006.

Q: What is Douglas Keyser's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for Douglas Keyser was last updated on November 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 July 11, 2006PECOS EnrolledAccepts Medicare Assignment

69.97/100

CMS Quality Rating

2600 6TH ST SW, CANTON, OH 44710(330) 363-6201(330) 454-9397 Get Directions Write a Review

NPPES record last updated: November 6, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 6, 2023, Jun 22, 2021 (2 updates tracked since 2021).

On this page

About Douglas Keyser M.d. NPPES

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

DOUGLAS KEYSER M.D. (NPI 1902831688) is an individual radiation oncology provider in Canton, Ohio, licensed in Ohio (35 063249) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Marietta Memorial Hospital, and is a graduate of Northeastern Ohio University College Of Medicine (1990).

NPPES Registry Identity

NPI1902831688

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameDOUGLAS KEYSERCredential: M.D.

Location Address2600 6TH ST SWCanton, OH 44710-1702

Mailing Address2600 6th St SwCanton, OH 44710-1702 · (330) 363-6201 · Fax (330) 454-9397

Phone(330) 363-6201

Fax(330) 454-9397

Sole ProprietorNo

Medical School CMSNortheastern Ohio University College Of MedicineGraduated 1990

Enumeration DateJuly 11, 2006

Last NPPES UpdateNovember 6, 20232 updates tracked since enumeration

NPPES CertifiedNovember 6, 2023

✔ NPI 1902831688 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in OH · 35 063249

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

2600 6TH ST SW, Canton, OH 44710

Open in Google Maps ↗

Other Identifiers 1

Medicaid0235347OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

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

Douglas Keyser 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 ID345439568

PECOS Enrollment IDI20110104000642

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

Medicare enrollment records show Douglas Keyser reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Triad Health Services, LLC

42 mi

Plastic Surgery

100 DEBARTOLO PL STE 200
Youngstown, OH 44512

Reassigned Medicare billing, Ohio enrollment
317 clinicians in this Medicare group

NPI 1588925457 (330) 965-4540

Neo Urology Associates Inc

42 mi

Urology

7430 SOUTHERN BLVD
Boardman, OH 44512

Reassigned Medicare billing, Ohio enrollment
27 clinicians in this Medicare group

NPI 1598798878 (330) 729-9214

Mercy Health Physicians Youngstown Specialty Care LLC

45 mi

Dentist

1044 BELMONT AVE
Youngstown, OH 44504

Reassigned Medicare billing, Ohio enrollment
744 clinicians in this Medicare group

NPI 1609544055 (330) 746-7211

Marietta Memorial Hospital

73 mi

Rural Health

127 S MAIN ST
Woodsfield, OH 43793

Reassigned Medicare billing, Ohio enrollment
411 clinicians in this Medicare group

NPI 1962106328 (740) 472-1330

Selby General Hospital

94 mi

Critical Access

1106 COLEGATE DR
Marietta, OH 45750

Reassigned Medicare billing, Ohio enrollment
247 clinicians in this Medicare group

NPI 1124073465 (740) 568-2040

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 23

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.

Ct guidance for insertion of radiation therapy fields 77014

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

1,203 services98 patients

Calculation of radiation therapy dose 77300

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

712 services124 patients

Radiation treatment management, 5 treatment sessions 77427

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

366 services127 patients

Design and construction of complex radiation treatment device 77334

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

283 services120 patients

Ct guidance for insertion of radiation therapy fields 77014

119 services39 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

116 services110 patients

Design and construction of radiation treatment device for high precision radiation therapy 77338

A radiation treatment device is custom-made for each patient to target cancer cells with high precision. It's designed to focus radiation on the tumor, sparing healthy tissue. This process ensures effective therapy while minimizing side effects.

98 services88 patients

High precision radiation therapy planning 77301

High precision radiation therapy planning involves detailed mapping of your body to target cancer cells accurately. Advanced imaging techniques help identify the exact location of the tumor, minimizing harm to healthy tissues. This personalized approach enhances effectiveness and reduces side effects.

88 services85 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

82 services82 patients

Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77280

This procedure involves gathering essential information to create the best radiation treatment plan for a specific area. It includes scanning the treatment area and using this data to calculate the precise dose of radiation needed to target the disease effectively, while sparing healthy tissue.

63 services53 patients

3d radiation therapy planning 77295

3D radiation therapy planning is a procedure that uses computer imaging to map out the area needing treatment. This ensures the radiation targets the disease precisely, while minimizing exposure to surrounding healthy tissues. It's a key step in preparing for effective radiation therapy.

46 services43 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.

45 services39 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

33 services33 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 77290

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

32 services31 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

31 services31 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

30 services28 patients

Radiation treatment management, 5 treatment sessions 77427

25 services18 patients

Management of cranial lesion surgery using radiation over multiple sessions 77435

This procedure involves using targeted radiation to treat a lesion in the brain over several sessions. The radiation destroys the abnormal cells, helping to control or eliminate the lesion. It's a non-invasive treatment, meaning no surgical cuts are made.

22 services22 patients

Design and construction of complex radiation treatment device 77334

18 services13 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

16 services16 patients

Complex radiation therapy planning 77263

14 services14 patients

Special radiation treatment 77470

Special radiation treatment is a medical procedure that uses high-energy rays to destroy or damage cancer cells. It's a targeted approach that aims to minimize harm to healthy tissues. The treatment duration varies based on individual health conditions.

12 services11 patients

Obtaining respiratory data needed to develop the optimal radiation treatment 77293

Obtaining respiratory data is vital for optimal radiation treatment. This involves tracking your breathing patterns to ensure the precise delivery of radiation to the target area, minimizing damage to healthy tissue. It's a non-invasive process and contributes to effective treatment.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Marietta Memorial Hospital

Acute Care Hospitals · Marietta, OH

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number360147

Location401 Matthew StreetMarietta, OH 45750 · Washington County

Emergency services Birthing friendly

Selby General Hospital

Critical Access Hospitals · Marietta, OH

OwnershipVoluntary non-profit - Private

CMS Certification Number361319

Location1106 Colegate DriveMarietta, OH 45750 · Washington County

Emergency services

Camden Clark Medical Center

Acute Care Hospitals · Parkersburg, WV

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number510058

Location800 Garfield AveParkersburg, WV 26101 · Wood County

Emergency services Birthing friendly

Sistersville General Hospital

Critical Access Hospitals · Sistersville, WV

OwnershipVoluntary non-profit - Private

CMS Certification Number511304

Location314 South Wells StreetSistersville, WV 26175 · Tyler County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44710 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

$166.65 typical visit price

range $54.34 – $166.65

Typical copayment $41.66 (range $13.58 – $41.66)

Most-billed visit code 99205

Established Patient

$68.07 typical visit price

range $17.10 – $135.40

Typical copayment $17.01 (range $4.27 – $33.85)

Most-billed visit code 99213

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.

69.97/100

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

Scored as part of a group practice

Quality

66.49

Promoting Interoperability

Improvement Activities

Cost

60.08

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.

DR. JANEL GRACEY M.D.

Student in an Organized Health Care Education/Training Program

2600 6TH ST SW, MEDICAL EDUCATION
CANTON, OH 44710

Stark County (330) 363-4899

ANNIE SHELTON RN

Registered Nurse

2600 6TH ST SW
CANTON, OH 44710

Stark County (330) 455-0374

STARK RADIATION ONCOLOGY INCORPORATED

Radiology (Radiation Oncology)

2600 6TH ST SW
CANTON, OH 44710

Stark County (330) 454-2210

DAVID ANDREW BEARD MD

Internal Medicine

2600 6TH ST SW
CANTON, OH 44710

Stark County (330) 363-2180

ADRIANE NICOLE SEDLOCK RN

Registered Nurse

2600 6TH ST SW
CANTON, OH 44710

Stark County (330) 363-0000

RAMANA PODUGU M.D.

Internal Medicine (Cardiovascular Disease)

2600 6TH ST SW, SUITE A2-710
CANTON, OH 44710

Stark County (330) 454-8076

MERITA KONSTANTACOS RN,MSN, CCNS

Clinical Nurse Specialist

2600 6TH ST SW
CANTON, OH 44710

Stark County (330) 363-1342

BENJAMIN CHARLES KIESLING MD

Student in an Organized Health Care Education/Training Program

2600 6TH ST SW
CANTON, OH 44710

Stark County (330) 705-6534

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 Douglas Keyser's NPI number?

The NPI number for Douglas Keyser is 1902831688. It was assigned to this individual provider in the NPPES registry on July 11, 2006.

Where is Douglas Keyser located?

Douglas Keyser practices at 2600 6th St SW, Canton, OH 44710. The listed phone number is (330) 363-6201.

What is Douglas Keyser's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Douglas Keyser enrolled in Medicare?

Yes. Douglas Keyser 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.

Which organizations bill Medicare for Douglas Keyser's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Keyser reassigns Medicare benefits to 5 organizations: Triad Health Services, LLC (Youngstown, OH), Neo Urology Associates Inc (Boardman, OH), Mercy Health Physicians Youngstown Specialty Care LLC (Youngstown, OH), Marietta Memorial Hospital (Woodsfield, OH) and Selby General Hospital (Marietta, OH). 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 Douglas Keyser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Douglas Keyser accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 2 other insurers list Douglas Keyser 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 Douglas Keyser affiliated with any hospitals?

According to CMS data, Douglas Keyser is affiliated with Marietta Memorial Hospital, Selby General Hospital, Camden Clark Medical Center and Sistersville General Hospital.

When was this NPI record last updated?

The NPPES record for Douglas Keyser was last updated on November 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.