Dr. Christopher W. Fleming, MD

  • Sacramento, CA
  • Radiation oncologist
NPI1245684158PAC ID6507137742
Medicare services, 2024
1,138
Medicare patients, 2024
162
Part D claims, 2024
153
MIPS score, 2024
92
Hospital affiliations
2
Practice address
3000 Q St, Sacramento, CA 95816
Practice phone
Call (916) 733-3397
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mercy Medical Group, a Service of Dignity Health Medical Foundation

Sacramento, California

See all 5 affiliations

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Dr. Christopher W. Fleming is a radiation oncologist in Sacramento, California

Dr. Fleming practices at Mercy Medical Group, a Service of Dignity Health Medical Foundation in Sacramento, California.

Dr. Fleming's NPI, 1245684158, was assigned on April 17, 2016. Dr. Fleming holds Ohio license 57.245058.

NPI and contact details
Medicare PAC ID
6507137742
NPI enumeration date
April 17, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(916) 733-3397
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
36
Medical school graduation
2016

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Christopher W. Fleming practices at Mercy Medical Group, a Service of Dignity Health Medical Foundation in Sacramento, California

Dr. Fleming's primary practice is Mercy Medical Group, a Service of Dignity Health Medical Foundation, at 3000 Q St, Sacramento, CA 95816 in Sacramento County. The practice phone is (916) 733-3397.

  • Mercy Medical Group, a Service of Dignity Health Medical Foundation
    3000 Q St, Sacramento, CA 95816 · Sacramento CountyPhone(916) 733-3397

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Christopher W. Fleming is affiliated with 4 sites of care and 1 medical group

Dr. Fleming's primary practice is Mercy Medical Group, a Service of Dignity Health Medical Foundation in Sacramento, California. Dr. Fleming is also affiliated with Cleveland Clinic Martin North Hospital. The medical group on file is Mercy Medical Group. Dmand AI also links Dr. Fleming to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Fleming

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Christopher W. Fleming's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fleming practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mercy Medical Group, a Service of Dignity Health Medical FoundationAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Christopher W. Fleming is one of 685 radiation oncologists in California

Radiation oncology is Dr. Fleming's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Fleming is licensed in Ohio.

Specialties and state licenses

  • Radiation oncology, OhioPrimaryLicense 57.245058 · taxonomy 2085R0001X

Radiation oncologists near Dr. Fleming

Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Christopher W. Fleming billed Medicare for 1,138 services in 2024

CMS data shows 1,138 Medicare services from Dr. Fleming across 15 procedure codes in 2024, for 162 Medicare patients. Medicare paid $90,315 for them.

Medicare services, 20241,138
Medicare patients162
Paid by Medicare$90,315
Procedure codes15

Dr. Fleming's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Imaging
2023: 1,0812024: 92315%
Office and hospital visits
2023: 1472024: 16814%
Other services
2023: 1752024: 4773%

Where Dr. Fleming's Medicare services took place, 2024

  • In an office141%
  • In a facility1,12499%

Dr. Fleming compared with the California median for radiation oncologists, 2024

  • Dr. Fleming
  • California median
Medicare services
1,138vs 1,44421% below
Medicare patients
162vs 164Close to median
Part D claims
86vs 322.7 times

Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.

Dr. Fleming's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Fleming

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Christopher W. Fleming treated 162 Medicare patients in 2024, average age 75

CMS counts 162 Medicare patients who saw Dr. Fleming in 2024. The largest group is 65 to 74, with 82 patients. 75% of them have cancer, and 75% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.91, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Fleming's median patient age at 70, with 37% women.

Medicare patients, 2024162
Average age75
Average risk score1.91
Also on Medicaid7%

Dr. Fleming's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Fleming's Medicare patients by sex, 2024

  • Women5333%
  • Men10967%

Chronic conditions among Dr. Fleming's Medicare patients, 2024

  1. Cancer75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Arthritis45%
  5. Ischemic heart disease39%
  6. Diabetes33%
  7. Chronic kidney disease30%
  8. Anxiety26%

Share of Medicare patients with each condition. A patient can have several.

Dr. Fleming's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women37%
  • Men62%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Christopher W. Fleming wrote 153 Medicare Part D claims in 2024

In 2024, Dr. Fleming wrote 153 Medicare Part D claims for 63 patients. 99% of them were for generic drugs. CMS names the drug for 86 of them, across 2 drugs with 11 or more claims each, at $926 in total drug cost. In 2023, CMS named 68 claims across 2 drugs.

Part D claims, 2024153
Drugs named by CMS2
Total drug cost$926
Part D patients63

Dr. Fleming's Part D claims by kind of drug, 2024

  • Generic152 claims99%
  • Brand-name and other1 claims1%

Dr. Fleming's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Fleming's Part D claims, 2024

  • Opioids14%21 of 153 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 682024: 8626%

Drugs named by CMS: 2 in 2024, 2 in 2023.

See all prescribing by Dr. Fleming

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Christopher W. Fleming scored 92 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Fleming for performance year 2024, reported through an alternative payment model (APM). Dr. Fleming accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Fleming as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Fleming's MIPS scores, performance year 2024

  • 92of 100Final score
  • 80.2of 100Quality
  • 99of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Christopher W. Fleming received $351 in industry payments from 2020 to 2025

CMS Open Payments shows 10 general payments to Dr. Fleming from 8 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 87% of the total. GT Medical Technologies, Inc paid the most, $180.

General payments to Dr. Fleming by program year, 2020 to 2025

General payments to Dr. Fleming by kind, 2020 to 2025

$351in total
  • Food and beverage$30687%
  • Education$4513%

Companies that paid Dr. Fleming the most, 2020 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Fleming

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Christopher W. Fleming's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Christopher W. Fleming

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Christopher W. Fleming's NPI number?

Dr. Christopher W. Fleming's NPI number is 1245684158. It was assigned on April 17, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Christopher W. Fleming?

Dr. Christopher W. Fleming is a radiation oncologist in Sacramento, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. Christopher W. Fleming practice?

Dr. Fleming practices at 3000 Q St, Sacramento, CA 95816. Dr. Fleming's primary practice is Mercy Medical Group, a Service of Dignity Health Medical Foundation in Sacramento, California. Dmand AI also links Dr. Fleming to 1 hospital and 1 group practice or clinic.

What is Dr. Christopher W. Fleming's office phone number?

The practice phone on file for Dr. Fleming is (916) 733-3397.

What is Dr. Christopher W. Fleming's medical license number?

Dr. Fleming holds Ohio license 57.245058.

Which hospitals is Dr. Christopher W. Fleming affiliated with?

Dr. Fleming is affiliated with Cleveland Clinic Martin North Hospital. Dmand AI links Dr. Fleming to 1 more hospital.

What medical group is Dr. Christopher W. Fleming part of?

Dr. Fleming is linked to Mercy Medical Group.

Does Dr. Christopher W. Fleming accept Medicare?

Yes. CMS data shows Dr. Fleming billed Medicare for 1,138 services in 2024, and Dr. Fleming accepts Medicare assignment.

Does Dr. Christopher W. Fleming offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Fleming as offering telehealth services.

What is Dr. Christopher W. Fleming's MIPS score?

Dr. Fleming's MIPS final score for performance year 2024 is 92 out of 100, reported through an alternative payment model (APM).

Show 5 more questionsShow fewer questions

How many Medicare patients does Dr. Christopher W. Fleming see?

CMS counts 162 Medicare patients who saw Dr. Fleming in 2024, with an average age of 75.

What services does Dr. Christopher W. Fleming bill to Medicare?

In 2024, Dr. Fleming's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and radiation oncology (77427).

What drugs does Dr. Christopher W. Fleming prescribe most?

In 2024 Medicare Part D data, Dr. Fleming's most prescribed drugs by claims were Tamsulosin HCl and Oxycodone-Acetaminophen.

Has Dr. Christopher W. Fleming received payments from drug or device companies?

CMS Open Payments shows $351 in general payments to Dr. Fleming from 8 companies from 2020 to 2025. The largest total came from GT Medical Technologies, Inc.

How long has Dr. Christopher W. Fleming been practicing?

Dr. Fleming graduated from medical school in 2016, 10 years ago.

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