DR. HARRY LOMAS IV M.D.
NPI 1942294202
Radiology - Radiation Oncology in Chico, CA

Q: What is Harry Lomas's NPI number?

The NPI number for Harry Lomas is 1942294202. It was assigned to this individual provider in the NPPES registry on September 1, 2005.

Q: What is Harry Lomas'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 Harry Lomas was last updated on April 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 September 01, 2005PECOS EnrolledAccepts Medicare Assignment

94.07/100

CMS Quality Rating

1700 ESPLANADE, CHICO, CA 95926(530) 691-5922(530) 691-5922 Get Directions Write a Review

NPPES record last updated: April 20, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 20, 2020, Aug 31, 2017 (2 updates tracked since 2017).

On this page

About Dr. Harry Lomas Iv M.d. NPPES

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

DR. HARRY LOMAS IV M.D. (NPI 1942294202) is an individual radiation oncology provider in Chico, California, licensed in California (148885) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Riverside Regional Medical Center, and is a graduate of University Of South Florida College Of Medicine (2012).

NPPES Registry Identity

NPI1942294202

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameDR. HARRY LOMAS IVCredential: M.D.

Location Address1700 ESPLANADEChico, CA 95926-3315

Mailing Address1700 EsplanadeChico, CA 95926-3315 · (530) 691-5920 · Fax (530) 691-5922

Phone(530) 691-5922

Fax(530) 691-5922

Sole ProprietorNo

Medical School CMSUniversity Of South Florida College Of MedicineGraduated 2012

Enumeration DateSeptember 1, 2005

Last NPPES UpdateApril 20, 20202 updates tracked since enumeration

NPPES CertifiedApril 20, 2020

✔ NPI 1942294202 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in CA · 148885

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.

Also ListedPhysician AssistantTaxonomy 363A00000X · License 9100939 (FL)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 0116024991 (VA)

1700 ESPLANADE, Chico, CA 95926

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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

Dr. Harry Lomas Iv 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 ID3173558822

PECOS Enrollment IDI20230131000617

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

Paragon Chico Medical Group, Inc

Same address

Radiation Oncology

1700 ESPLANADE
Chico, CA 95926

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

NPI 1528527181 (813) 385-6847

Enloe Specialty Physicians, Inc

3.5 mi

Radiation Oncology

2390 E 20TH ST
Chico, CA 95928

Reassigned Medicare billing, California enrollment
43 clinicians in this Medicare group

NPI 1306105721 (530) 332-4700

Riverside Physician Services Inc

2,425 mi

Gastroenterology

120 KINGS WAY STE 3500
Williamsburg, VA 23185

Reassigned Medicare billing, Virginia enrollment
1,097 clinicians in this Medicare group

NPI 1083867311 (757) 221-0750

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 12

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.

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.

3,811 services118 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.

3,356 services147 patients

Special radiation therapy planning 77331

Special radiation therapy planning is a process to determine the most effective way to deliver radiation treatment. It involves imaging studies to map your body's internal structure, which helps in targeting the exact area needing treatment while sparing healthy tissues.

2,207 services65 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.

182 services136 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.

157 services117 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.

153 services129 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.

130 services114 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.

81 services60 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.

55 services55 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.

39 services35 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.

26 services25 patients

Management of complete single session course of cranial lesion surgery using radiation 77432

This procedure involves using radiation to treat a cranial lesion in one session. A precise dose of radiation targets the lesion, destroying abnormal cells while sparing healthy tissue. It's a non-invasive method, meaning no surgical incision is needed.

19 services18 patients

Hospital Affiliations CMS Care Compare 3

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

Riverside Regional Medical Center

Acute Care Hospitals · Newport News, VA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490052

Location500 J Clyde Morris BlvdNewport News, VA 23601 · Newport News City County

Emergency services Birthing friendly

Riverside Walter Reed Hospital

Acute Care Hospitals · Gloucester, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490130

Location7519 Hospital RoadGloucester, VA 23061 · Gloucester County

Emergency services

Riverside Doctors' Hospital Of Williamsburg

Acute Care Hospitals · Williamsburg, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490143

Location1500 Commonwealth AvenueWilliamsburg, VA 23185 · James City County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95926 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

$176.60 typical visit price

range $58.87 – $176.60

Typical copayment $44.15 (range $14.71 – $44.15)

Most-billed visit code 99205

Established Patient

$73.16 typical visit price

range $19.28 – $144.60

Typical copayment $18.29 (range $4.82 – $36.15)

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.

94.07/100

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

Scored through an Alternative Payment Model

Quality

90.65

Promoting Interoperability

95.83

Improvement Activities

Other Providers at the Same Location NPPES 2

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

PARAGON CHICO MEDICAL GROUP, INC

Radiology (Radiation Oncology)

1700 ESPLANADE
CHICO, CA 95926

Butte County (813) 385-6847

PARAGON MEDICAL MANAGEMENT GROUP, LLC

Radiology (Radiation Oncology)

1700 ESPLANADE
CHICO, CA 95926

Butte County (813) 385-6847

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 Harry Lomas's NPI number?

The NPI number for Harry Lomas is 1942294202. It was assigned to this individual provider in the NPPES registry on September 1, 2005.

Where is Harry Lomas located?

Harry Lomas practices at 1700 Esplanade, Chico, CA 95926. The listed phone number is (530) 691-5922.

What is Harry Lomas's specialty?

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

Is Harry Lomas enrolled in Medicare?

Yes. Harry Lomas 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 Harry Lomas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Harry Lomas reassigns Medicare benefits to 3 organizations: Paragon Chico Medical Group, Inc (Chico, CA), Enloe Specialty Physicians, Inc (Chico, CA) and Riverside Physician Services Inc (Williamsburg, VA). 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 Harry Lomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Harry Lomas affiliated with any hospitals?

According to CMS data, Harry Lomas is affiliated with Riverside Regional Medical Center, Riverside Walter Reed Hospital and Riverside Doctors' Hospital Of Williamsburg.

When was this NPI record last updated?

The NPPES record for Harry Lomas was last updated on April 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.