GEOFFREY A NEUNER MD
NPI 1548464001
Radiology - Radiation Oncology in Baltimore, MD

Q: What is Geoffrey Neuner's NPI number?

The NPI number for Geoffrey Neuner is 1548464001. It was assigned to this individual provider in the NPPES registry on June 11, 2007.

Q: What is Geoffrey Neuner'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 Geoffrey Neuner was last updated on June 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since June 11, 2007PECOS EnrolledAccepts Medicare Assignment

83.56/100

CMS Quality Rating

6701 N CHARLES ST, SUITE 1400, BALTIMORE, MD 21204(443) 849-2540(443) 849-2595 Get Directions Write a Review

NPPES record last updated: June 4, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Geoffrey A Neuner Md NPPES

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

GEOFFREY A NEUNER MD (NPI 1548464001) is an individual radiation oncology provider in Baltimore, Maryland, licensed in Maryland (D72056) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Greater Baltimore Medical Center, and maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1548464001

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameGEOFFREY A NEUNERCredential: MD

Location Address6701 N CHARLES ST, SUITE 1400Baltimore, MD 21204-6808

Mailing AddressPo Box 64984Baltimore, MD 21264-4984 · (410) 592-9080 · Fax (410) 592-9080

Phone(443) 849-2540

Fax(443) 849-2595

Sole ProprietorYes

Medical School CMSEastern Virginia Medical SchoolGraduated 2006

Enumeration DateJune 11, 2007

Last NPPES UpdateJune 4, 2025

NPPES CertifiedJune 4, 2025

✔ NPI 1548464001 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 MD · D72056

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.

6701 N CHARLES ST, Baltimore, MD 21204

Open in Google Maps ↗

Secondary Practice Location 1

Location 12800 Quarry Lake Dr Ste 180Baltimore, MD 21209-3749 · Phone (443) 738-9393

Other Identifiers 1

Medicaid042526500MD

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

Geoffrey A Neuner 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 ID547439226

PECOS Enrollment IDI20110815000481, I20180109003331

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 Geoffrey Neuner reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Greater Baltimore Medical Center, Inc.

Same address

Nuclear Medicine

6701 N CHARLES ST STE 1610
Baltimore, MD 21204

Reassigned Medicare billing, Maryland enrollment
444 clinicians in this Medicare group

NPI 1114803517 (443) 849-2453

Chesapeake Urology Associates, LLC

Same address

Urology

6535 N CHARLES ST STE 500
Towson, MD 21204

Reassigned Medicare billing, Maryland and District of Columbia enrollments
Also billed through NPI 1619792744 (District of Columbia)
166 clinicians in this Medicare group

NPI 1275358863 (410) 825-5454

Radiation Oncology Healthcare, PA

0.2 mi

Radiation Oncology

6701 N CHARLES ST
Towson, MD 21204

Reassigned Medicare billing, District of Columbia and Maryland enrollments
3 clinicians in this Medicare group

NPI 1447252416 (443) 849-2540

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 40

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.

1,115 services68 patients

Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session G6015

Intensity-modulated radiation therapy (IMRT) is a type of cancer treatment. It uses advanced technology to manipulate photon beams of radiation to conform to the shape of a tumor. IMRT allows for the radiation dose to conform more precisely to the three-dimensional shape of the tumor by modulatingâ€”or controllingâ€”the intensity of the radiation beam. This can result in better tumor control and less harm to healthy tissue.

948 services183 patients

Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy G6002

Stereoscopic x-ray guidance is a technique used in radiation therapy. It involves taking multiple X-ray images from different angles to create a 3D picture of the area to be treated. This helps accurately pinpoint the exact location for radiation delivery, ensuring the therapy is as effective as possible.

940 services183 patients

Radioelements for brachytherapy, any type, each Q3001

Brachytherapy involves the placement of radioactive materials in or near a tumor. Radioelements are the materials used in this process. Each type of radioelement emits radiation that can destroy cancer cells and shrink tumors. This is a localized treatment, affecting only the targeted area.

656 services15 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.

339 services83 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.

259 services76 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.

239 services99 patients

Continuing radiation therapy consultation per week 77336

Continuing radiation therapy consultation per week involves regular meetings with your healthcare team. These sessions help monitor your progress, manage side effects, and adjust your treatment plan if necessary. It's a key part of ensuring the effectiveness of your radiation therapy.

182 services124 patients

Radiation treatment management, 5 treatment sessions 77427

182 services124 patients

Calculation of radiation therapy dose 77300

167 services47 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.

142 services126 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.

107 services100 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.

98 services98 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

88 services86 patients

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

82 services82 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.

72 services67 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.

72 services67 patients

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

51 services46 patients

High precision radiation therapy planning 77301

45 services44 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.

44 services40 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.

42 services39 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

39 services22 patients

Complex radiation therapy planning for delivery of internal radiation 77318

Complex radiation therapy planning for internal radiation involves designing a unique plan to target harmful cells within your body. This process uses advanced imaging technology to map out the precise treatment area, ensuring that healthy tissue is spared.

39 services22 patients

Special medical radiation therapy consultation 77370

A special medical radiation therapy consultation involves discussing the use of high-energy radiation to treat diseases, primarily cancer. It's a chance to understand the process, potential side effects, and benefits. It is a key step in planning your treatment.

39 services22 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.

36 services34 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.

32 services17 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.

32 services17 patients

Complex application of radiation source 77778

Complex application of radiation source is a medical procedure used in cancer treatment. It involves the careful placement of radioactive materials in or near the tumor. This helps to destroy cancer cells while minimizing damage to healthy tissues. It's a precise and targeted approach.

32 services17 patients

Complex radiation therapy planning 77263

30 services29 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.

25 services24 patients

Special radiation treatment 77470

24 services24 patients

Complex radiation therapy planning for delivery of external radiation 77307

Complex radiation therapy planning involves creating a detailed plan to deliver targeted radiation doses. The process includes imaging scans to identify the area needing treatment, and designing a specific radiation plan to protect healthy tissue while effectively treating the disease.

20 services19 patients

3d radiation therapy planning 77295

18 services17 patients

Ultrasonic guidance for administration of radiation therapy 76965

Ultrasonic guidance for radiation therapy is a technique that uses ultrasound images to accurately target the area requiring treatment. It helps ensure radiation is directed precisely, reducing harm to healthy tissues.

17 services17 patients

Design and construction of complex radiation treatment device 77334

17 services17 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.

16 services16 patients

Design and construction of simple radiation treatment device 77332

A simple radiation treatment device is designed and built to target specific areas in your body with high energy rays. This process is carefully planned to ensure that the radiation accurately reaches the area needing treatment, while minimizing exposure to healthy tissues.

15 services15 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.

15 services14 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.

14 services14 patients

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

12 services12 patients

Hospital Affiliations CMS Care Compare

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

Greater Baltimore Medical Center

Acute Care Hospitals · Baltimore, MD

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210044

Location6701 North Charles StreetBaltimore, MD 21204 · Baltimore County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21204 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

$183.44 typical visit price

range $60.73 – $183.44

Typical copayment $45.86 (range $15.18 – $45.86)

Most-billed visit code 99205

Established Patient

$75.47 typical visit price

range $19.60 – $149.17

Typical copayment $18.86 (range $4.90 – $37.29)

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.

83.56/100

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

Scored as part of a group practice

Quality

81.55

Promoting Interoperability

Improvement Activities

Cost

71.16

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Respiratory suction pump, home model, portable or stationary, electric E0600

DME-Other DME · category DE000N

1 supplier19 claims19 services$36.79 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

MRS. ALVENA MESHOINE SIMS PA-C, MMS

Physician Assistant

6701 N CHARLES ST, LABOR & DELIVERY
BALTIMORE, MD 21204

Baltimore County (443) 849-2577

DR. LEWIS HOGGE M.D.

Anesthesiology

6701 N CHARLES ST
TOWSON, MD 21204

Baltimore County (410) 296-4616

DR. PHILIP E SHAHEEN M.D.

Internal Medicine (Hospice and Palliative Medicine)

6701 N CHARLES ST, SUITE 4105
BALTIMORE, MD 21204

Baltimore County (443) 849-6255

ALOISE DIEDRICH

Anesthesiology

6701 N CHARLES ST
TOWSON, MD 21204

Baltimore County (443) 849-2000

ROBERT A. PALERMO M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

6701 N CHARLES ST
BALTIMORE, MD 21204

Baltimore County (443) 849-2257

DR. STEPHEN A LIVERMAN M.D.

Pediatrics

6701 N CHARLES ST, DEPT OF PEDIATRICS
BALTIMORE, MD 21204

Baltimore County (443) 849-2792

NATHAN A. DUNSMORE M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

6701 N CHARLES ST
BALTIMORE, MD 21204

Baltimore County (443) 849-2704

MS. SHARON MAREE ELMES-CURTIS CNM

Advanced Practice Midwife

6701 N CHARLES ST, DEPT OF LABOR AND DELIVERY
BALTIMORE, MD 21204

Baltimore County (443) 849-2577

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 Geoffrey Neuner's NPI number?

The NPI number for Geoffrey Neuner is 1548464001. It was assigned to this individual provider in the NPPES registry on June 11, 2007.

Where is Geoffrey Neuner located?

Geoffrey Neuner practices at 6701 N Charles St Suite 1400, Baltimore, MD 21204. The listed phone number is (443) 849-2540.

What is Geoffrey Neuner's specialty?

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

Is Geoffrey Neuner enrolled in Medicare?

Yes. Geoffrey Neuner 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 Geoffrey Neuner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Geoffrey Neuner reassigns Medicare benefits to 3 organizations: Greater Baltimore Medical Center, Inc. (Baltimore, MD), Chesapeake Urology Associates, LLC (Towson, MD) and Radiation Oncology Healthcare, PA (Towson, MD). 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 Geoffrey Neuner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Geoffrey Neuner affiliated with any hospitals?

According to CMS data, Geoffrey Neuner is affiliated with Greater Baltimore Medical Center.

When was this NPI record last updated?

The NPPES record for Geoffrey Neuner was last updated on June 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.