Dr. Yousef Khelfa, MD

  • Modesto, CA
  • Hematologist and oncologist
NPI1396954392PAC ID6709934854
Medicare services, 2024
6,327
Medicare patients, 2024
1,076
Part D claims, 2024
2,325
Publications
9
MIPS score, 2024
85
Practice address
600 Coffee Rd, Modesto, CA 95355
Practice phone
Call (209) 524-1211
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sutter Valley Medical Foundation

Modesto, California

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Dr. Yousef Khelfa is a hematologist and oncologist in Modesto, California

Dr. Khelfa practices at Sutter Valley Medical Foundation in Modesto, California.

Dr. Khelfa's NPI, 1396954392, was assigned on May 22, 2007. Dr. Khelfa graduated from Al-Quds University in 2003. Dr. Khelfa holds California license C138847.

NPI and contact details
Medicare PAC ID
6709934854
NPI enumeration date
May 22, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(209) 524-1211
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
49
Medical school graduation
2003

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

Dr. Yousef Khelfa practices at Sutter Valley Medical Foundation in Modesto, California

Dr. Khelfa's primary practice is Sutter Valley Medical Foundation, at 600 Coffee Rd, Modesto, CA 95355 in Stanislaus County. The practice phone is (209) 524-1211.

  • Sutter Valley Medical Foundation
    600 Coffee Rd, Modesto, CA 95355 · Stanislaus CountyPhone(209) 524-1211

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

Dr. Yousef Khelfa is affiliated with 8 sites of care and 2 medical groups

Dr. Khelfa's primary practice is Sutter Valley Medical Foundation in Modesto, California. Dr. Khelfa is also affiliated with Memorial Medical Center. The medical group on file is SGMF Radiology. Dmand AI also links Dr. Khelfa to 4 more hospitals, 1 group practice or clinic, 1 home health agency and 1 medical group, each named with a free account.

See all 10 affiliations for Dr. Khelfa

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

Dmand AI tracks the EHR system at Dr. Yousef Khelfa's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Khelfa practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sutter Valley Medical FoundationAvailable with a free account
+7 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Yousef Khelfa is one of 1,502 hematologists and oncologists in California

Hematology and oncology is Dr. Khelfa's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Khelfa is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Khelfa's licenses on file in 5 states: California, Ohio, Michigan, Washington and New Jersey.

Specialties and state licenses

  • Hematology and oncology, CaliforniaPrimaryLicense C138847 · 2015 to 2026 · taxonomy 207RH0003X
  • Ohio license2016 to 2018
  • Michigan license2013 to 2017
  • Washington license2008 to 2013
  • New Jersey license2007 to 2011

Clinical focus

Dmand AI lists acid reflux, arterial blot clot /embolism, chronic anemia, chronic diabetes, chronic embolism thrombosis, chronic hypertension, chronic inflammatory bowel disease (IBD) and chronic kidney disease among the conditions Dr. Khelfa treats.

Hematologists and oncologists near Dr. Khelfa

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

1,502hematologists and oncologists in California
6hematologists and oncologists in Modesto

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

Dr. Yousef Khelfa billed Medicare for 6,327 services in 2024

CMS data shows 6,327 Medicare services from Dr. Khelfa across 8 procedure codes in 2024, for 1,076 Medicare patients. Medicare paid $406,756 for them.

Medicare services, 20246,327
Medicare patients1,076
Paid by Medicare$406,756
Procedure codes8

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

  • 2023
  • 2024
Office and hospital visits
2023: 4,0032024: 3,6449%
Other services
2023: 932024: 2,6832785%

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

  • In an office3536%
  • In a facility5,97494%

Dr. Khelfa compared with the California median for hematologists and oncologists, 2024

  • Dr. Khelfa
  • California median
Medicare services
6,327vs 9326.8 times
Medicare patients
1,076vs 2254.8 times
Part D claims
2,015vs 3945.1 times

Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.

Dr. Khelfa'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. Khelfa

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

Dr. Yousef Khelfa treated 1,076 Medicare patients in 2024, average age 75

CMS counts 1,076 Medicare patients who saw Dr. Khelfa in 2024. The largest group is 65 to 74, with 451 patients. 72% of them have high blood pressure, and 69% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.64, 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. Khelfa's median patient age at 71, with 60% women.

Medicare patients, 20241,076
Average age75
Average risk score1.64
Also on Medicaid19%

Dr. Khelfa's Medicare patients by age, 2024

Dr. Khelfa's Medicare patients by sex, 2024

  • Women59555%
  • Men48145%

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

  1. High blood pressure72%
  2. High cholesterol69%
  3. Cancer56%
  4. Arthritis42%
  5. Chronic kidney disease23%
  6. Diabetes23%
  7. Ischemic heart disease22%
  8. Anxiety21%

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

Dr. Khelfa's patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women60%
  • Men39%

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

Dr. Yousef Khelfa wrote 2,325 Medicare Part D claims in 2024

In 2024, Dr. Khelfa wrote 2,325 Medicare Part D claims for 426 patients. 81% of them were for generic drugs. CMS names the drug for 2,015 of them, across 50 drugs with 11 or more claims each, at $3,200,699 in total drug cost. In 2023, CMS named 1,553 claims across 38 drugs.

Part D claims, 20242,325
Drugs named by CMS50
Total drug cost$3.2M
Part D patients426

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

  • Generic1,886 claims81%
  • Brand-name439 claims19%

Dr. Khelfa'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. Khelfa's Part D claims, 2024

  • Opioids11%248 of 2,325 claims
  • Antibiotics3%62 of 2,325 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: 1,5532024: 2,01530%

Drugs named by CMS: 50 in 2024, 38 in 2023.

See all prescribing by Dr. Khelfa

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. Yousef Khelfa scored 85 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Khelfa for performance year 2024, reported as part of a group. Dr. Khelfa accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Khelfa as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Khelfa's MIPS scores, performance year 2024

  • 85of 100Final score
  • 81.7of 100Quality
  • 97of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 67of 100Cost

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

For MedTech and pharma teams

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Dr. Yousef Khelfa has 9 publications on record

Dmand AI links 9 papers to Dr. Khelfa, published from 2016 to 2017. 2016 was the busiest year, with 6. Dr. Khelfa has published most often in J Investig Med High Impact Case Rep. Dr. Khelfa's most frequent co-authors are Yehuda Z. Lebowicz, MD, Mohamed F. Alsharedi, MD and Amanda Kathleen Arrington, MD.

Papers9
Years published2016 to 2017

Dr. Khelfa's most frequent co-authors

Recent publications by Dr. Khelfa

See all 9 publications and co-authors

See who Dr. Khelfa researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Khelfa works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Yousef Khelfa received $705 in industry payments from 2016 to 2023

CMS Open Payments shows 34 general payments to Dr. Khelfa from 22 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 70% of the total. Alexion Pharmaceuticals, Inc. paid the most, $93.

General payments to Dr. Khelfa by program year, 2016 to 2023

General payments to Dr. Khelfa by kind, 2016 to 2023

$705in total
  • Food and beverage$49370%
  • Education$21230%

Companies that paid Dr. Khelfa the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Khelfa

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

Dr. Yousef Khelfa graduated from Al-Quds University

Dr. Khelfa graduated from Al-Quds University in 2003. Dr. Khelfa is a member of SHM.

  1. Medical schoolAl-Quds University
  2. Board certified in hematologyAmerican Board of Internal Medicine
  3. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Yousef Khelfa accepts plans from 15 insurance carriers

Dr. Khelfa is in network with 15 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • Regence Health Plans
  • Alliant Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Khelfa accepts, by number of carriers

  1. PPO9
  2. Medicare7
  3. HMO6
  4. EPO4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Yousef Khelfa'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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
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. Yousef Khelfa

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. Yousef Khelfa's NPI number?

Dr. Yousef Khelfa's NPI number is 1396954392. It was assigned on May 22, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Yousef Khelfa?

Dr. Yousef Khelfa is a hematologist and oncologist in Modesto, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Yousef Khelfa practice?

Dr. Khelfa practices at 600 Coffee Rd, Modesto, CA 95355. Dr. Khelfa's primary practice is Sutter Valley Medical Foundation in Modesto, California. Dmand AI also links Dr. Khelfa to 4 hospitals, 1 group practice or clinic, 1 home health agency and 1 medical group.

What is Dr. Yousef Khelfa's office phone number?

The practice phone on file for Dr. Khelfa is (209) 524-1211.

What is Dr. Yousef Khelfa's medical license number?

Dr. Khelfa holds California license C138847, one of the licenses on file in 5 states.

Which states has Dr. Yousef Khelfa been licensed in?

Dmand AI has state licenses on file for Dr. Khelfa in California (2015 to 2026), Ohio (2016 to 2018), Michigan (2013 to 2017), Washington (2008 to 2013) and New Jersey (2007 to 2011).

Which hospitals is Dr. Yousef Khelfa affiliated with?

Dr. Khelfa is affiliated with Memorial Medical Center. Dmand AI links Dr. Khelfa to 4 more hospitals.

What medical group is Dr. Yousef Khelfa part of?

Dr. Khelfa is linked to SGMF Radiology. Dmand AI links Dr. Khelfa to 1 more medical group.

Does Dr. Yousef Khelfa accept Medicare?

Yes. CMS data shows Dr. Khelfa billed Medicare for 6,327 services in 2024, and Dr. Khelfa accepts Medicare assignment.

Does Dr. Yousef Khelfa offer telehealth?

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

Show 11 more questionsShow fewer questions

What is Dr. Yousef Khelfa's MIPS score?

Dr. Khelfa's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.

How many Medicare patients does Dr. Yousef Khelfa see?

CMS counts 1,076 Medicare patients who saw Dr. Khelfa in 2024, with an average age of 75.

Is Dr. Yousef Khelfa board certified?

Yes. Dr. Khelfa is board certified in hematology by the American Board of Internal Medicine.

What services does Dr. Yousef Khelfa bill to Medicare?

In 2024, Dr. Khelfa's most billed Medicare services were office visit, established patient (99215), medicare service (G2211) and medicare service (G2212).

Where did Dr. Yousef Khelfa go to medical school?

Dr. Khelfa graduated from Al-Quds University in 2003.

What drugs does Dr. Yousef Khelfa prescribe most?

In 2024 Medicare Part D data, Dr. Khelfa's most prescribed drugs by claims were Anastrozole, Prednisone and Ondansetron HCl.

Has Dr. Yousef Khelfa received payments from drug or device companies?

CMS Open Payments shows $705 in general payments to Dr. Khelfa from 22 companies from 2016 to 2023. The largest total came from Alexion Pharmaceuticals, Inc.

How long has Dr. Yousef Khelfa been practicing?

Dr. Khelfa graduated from medical school in 2003, 23 years ago.

Does Dr. Yousef Khelfa do research?

Dmand AI links 9 publications to Dr. Khelfa, published from 2016 to 2017.

Who does Dr. Yousef Khelfa publish with?

Dr. Khelfa's most frequent co-authors are Yehuda Z. Lebowicz, MD (6 shared papers), Mohamed F. Alsharedi, MD (4 shared papers) and Amanda Kathleen Arrington, MD (1 shared paper).

What insurance does Dr. Yousef Khelfa accept?

Dr. Khelfa is in network with 15 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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