Dr. Jewel Johl, MD
- Medicare services, 2024
- 26,481
- Medicare patients, 2024
- 615
- Part D claims, 2024
- 788
- MIPS score, 2024
- 90
- Hospital affiliations
- 3
- Practice address
- 2637 Shadelands Drive, Walnut Creek, CA 94598
- Practice phone
- Call (925) 329-3710
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
BASS Imaging Center - Walnut Creek
Mammography / Breast Imaging Center · Walnut Creek, California
Find Dr. Johl's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Jewel Johl is a hematologist and oncologist in Walnut Creek, California
Dr. Johl practices at BASS Imaging Center - Walnut Creek in Walnut Creek, California.
Dr. Johl's NPI, 1407852858, was assigned on June 21, 2005. Dr. Johl graduated from Loyola University of Chicago, Stritch School of Medicine in 1998. Dr. Johl holds California license A69437.
- NPI
- 1407852858NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305895400
- NPI enumeration date
- June 21, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (925) 329-3710
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jewel Johl practices at BASS Imaging Center - Walnut Creek in Walnut Creek, California
Dr. Johl's primary practice is BASS Imaging Center - Walnut Creek, at 2637 Shadelands Drive, Walnut Creek, CA 94598. The practice phone is (925) 329-3710.
- BASS Imaging Center - Walnut Creek2637 Shadelands Drive, Walnut Creek, CA 94598Phone(925) 329-3710
Source: Dmand AI Affiliation Data
Dr. Jewel Johl is affiliated with 7 sites of care and 2 medical groups
Dr. Johl's primary practice is BASS Imaging Center - Walnut Creek in Walnut Creek, California. Dr. Johl is also affiliated with John Muir Medical Center, Walnut Creek. The medical group on file is BASS Medical Group. Dmand AI also links Dr. Johl to 2 more hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account. Dr. Johl's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jewel Johl's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johl practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| BASS Imaging Center - Walnut Creek | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jewel Johl is one of 1,502 hematologists and oncologists in California
Hematology and oncology is Dr. Johl's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Johl is licensed in California.
Specialties and state licenses
- Hematology and oncology, CaliforniaPrimary
Hematologists and oncologists near Dr. Johl
Counts of hematologists and 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. Jewel Johl billed Medicare for 26,481 services in 2024
CMS data shows 26,481 Medicare services from Dr. Johl across 39 procedure codes in 2024, for 615 Medicare patients. Medicare paid $382,198 for them.
Dr. Johl's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 64,2492024: 22,86064%
- Office and hospital visits
- 2023: 2,0492024: 1,56923%
- Tests and treatments
- 2023: 2,5642024: 1,32049%
- Lab and pathology
- 2023: 1,4942024: 42871%
- Surgery
- 2023: 7592024: 19974%
- Other services
- 2023: 02024: 105
Where Dr. Johl's Medicare services took place, 2024
- In an office26,21599%
- In a facility2661%
Dr. Johl compared with the California median for hematologists and oncologists, 2024
- Dr. Johl
- California median
- Medicare services
- 26,481vs 93228.4 times
- Medicare patients
- 615vs 2252.7 times
- Part D claims
- 504vs 39428% above
Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.
Dr. Johl'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johl and other hematologists and oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jewel Johl treated 615 Medicare patients in 2024, average age 77
CMS counts 615 Medicare patients who saw Dr. Johl in 2024. The largest group is 75 to 84, with 261 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.92, 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. Johl's median patient age at 69, with 56% women.
Dr. Johl's Medicare patients by age, 2024
Dr. Johl's Medicare patients by sex, 2024
- Women32953%
- Men28647%
Chronic conditions among Dr. Johl's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis46%
- Cancer34%
- Chronic kidney disease31%
- Ischemic heart disease27%
- Anxiety26%
- Mood disorders26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johl's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women56%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jewel Johl wrote 788 Medicare Part D claims in 2024
In 2024, Dr. Johl wrote 788 Medicare Part D claims for 185 patients. 69% of them were for generic drugs. CMS names the drug for 504 of them, across 21 drugs with 11 or more claims each, at $516,962 in total drug cost. In 2023, CMS named 197 claims across 8 drugs.
Dr. Johl's Part D claims by kind of drug, 2024
- Generic540 claims69%
- Brand-name248 claims31%
Dr. Johl'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. Johl's Part D claims, 2024
- Opioids11%84 of 788 claims
- Antibiotics4%29 of 788 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: 1972024: 504156%
Drugs named by CMS: 21 in 2024, 8 in 2023.
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. Jewel Johl scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Johl for performance year 2024, reported as part of a group. Dr. Johl accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Johl as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Johl's MIPS scores, performance year 2024
- 90of 100Final score
- 89.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 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
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Dr. Jewel Johl received $402,291 in industry payments from 2016 to 2025
CMS Open Payments shows 1,164 general payments to Dr. Johl from 94 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 64% of the total. Bristol-Myers Squibb Company paid the most, $119,428. It also lists 2 research payments totaling $1,118 in 2025, naming 1 clinical trial.
General payments to Dr. Johl by program year, 2016 to 2025
General payments to Dr. Johl by kind, 2016 to 2025
- Speaker and faculty fees$256,01064%
- Consulting fees$86,21121%
- Food and beverage$28,3307%
- Travel and lodging$26,1897%
- Other$5,4511%
Companies that paid Dr. Johl the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jewel Johl graduated from Loyola University of Chicago, Stritch School of Medicine
Dr. Johl graduated from Loyola University of Chicago, Stritch School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jewel Johl's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Jewel Johl
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. Jewel Johl's NPI number?
Dr. Jewel Johl's NPI number is 1407852858. It was assigned on June 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Jewel Johl?
Dr. Jewel Johl is a hematologist and oncologist in Walnut Creek, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Jewel Johl practice?
Dr. Johl practices at 2637 Shadelands Drive, Walnut Creek, CA 94598. Dr. Johl's primary practice is BASS Imaging Center - Walnut Creek in Walnut Creek, California. Dmand AI also links Dr. Johl to 2 hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. Jewel Johl's office phone number?
The practice phone on file for Dr. Johl is (925) 329-3710.
What is Dr. Jewel Johl's medical license number?
Dr. Johl holds California license A69437.
Which hospitals is Dr. Jewel Johl affiliated with?
Dr. Johl is affiliated with John Muir Medical Center, Walnut Creek. Dmand AI links Dr. Johl to 2 more hospitals.
What medical group is Dr. Jewel Johl part of?
Dr. Johl is linked to BASS Medical Group. Dmand AI links Dr. Johl to 1 more medical group.
Does Dr. Jewel Johl accept Medicare?
Yes. CMS data shows Dr. Johl billed Medicare for 26,481 services in 2024, and Dr. Johl accepts Medicare assignment.
Does Dr. Jewel Johl offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Johl as offering telehealth services.
What is Dr. Jewel Johl's MIPS score?
Dr. Johl's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Jewel Johl see?
CMS counts 615 Medicare patients who saw Dr. Johl in 2024, with an average age of 77.
What services does Dr. Jewel Johl bill to Medicare?
In 2024, Dr. Johl's most billed Medicare services were injected or infused drug (J1453), injected or infused drug (J3111) and injected or infused drug (J0897).
Where did Dr. Jewel Johl go to medical school?
Dr. Johl graduated from Loyola University of Chicago, Stritch School of Medicine in 1998.
What drugs does Dr. Jewel Johl prescribe most?
In 2024 Medicare Part D data, Dr. Johl's most prescribed drugs by claims were Xarelto, Eliquis and Gabapentin.
Has Dr. Jewel Johl received payments from drug or device companies?
CMS Open Payments shows $402,291 in general payments to Dr. Johl from 94 companies from 2016 to 2025. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Jewel Johl been practicing?
Dr. Johl graduated from medical school in 1998, 28 years ago.
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