Dr. Joy Sokolski Bloch, MD
- Medicare services, 2024
- 1,094
- Medicare patients, 2024
- 300
- Part D claims, 2024
- 3,835
- Hospital affiliations
- 2
- Industry payments
- $3,720
- Practice address
- 1450 Treat Blvd, Walnut Creek, CA 94597
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
John Muir Medical Center - Walnut C - Imaging - HOPD
Acute Care Hospital outpatient department · Walnut Creek, California
Find Dr. Bloch'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. Joy Sokolski Bloch is an internist in Walnut Creek, California
Dr. Bloch practices at John Muir Medical Center - Walnut C - Imaging - HOPD in Walnut Creek, California.
Dr. Bloch's NPI, 1740363167, was assigned on October 21, 2006. Dr. Bloch graduated from College of Medicine - Tucson in 1995. Dr. Bloch holds California license A61796.
- NPI
- 1740363167NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244416550
- NPI enumeration date
- October 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joy Sokolski Bloch practices at John Muir Medical Center - Walnut C - Imaging - HOPD in Walnut Creek, California
Dr. Bloch's primary practice is John Muir Medical Center - Walnut C - Imaging - HOPD, at 1450 Treat Blvd, Walnut Creek, CA 94597.
- John Muir Medical Center - Walnut C - Imaging - HOPD1450 Treat Blvd, Walnut Creek, CA 94597
Source: Dmand AI Affiliation Data
Dr. Joy Sokolski Bloch is affiliated with 5 sites of care and 1 medical group
Dr. Bloch's primary practice is John Muir Medical Center - Walnut C - Imaging - HOPD in Walnut Creek, California. Dr. Bloch is also affiliated with John Muir Medical Center, Walnut Creek. The medical group on file is John Muir Medical Group. Dmand AI also links Dr. Bloch to 1 more hospital, 1 group practice or clinic and 1 home health agency, each named with a free account. Dr. Bloch's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Joy Sokolski Bloch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bloch practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John Muir Medical Center - Walnut C - Imaging - HOPD | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joy Sokolski Bloch is one of 16,751 internists in California
Internal medicine is Dr. Bloch's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Bloch is board certified in internal medicine by the American Board of Internal Medicine. Dr. Bloch is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute mini-stroke (TIA), acute sinusitis, acute skin infection, aneurysm, ankle or foot injury, anxiety and arteritis among the conditions Dr. Bloch treats.
Internists near Dr. Bloch
Counts of internists 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. Joy Sokolski Bloch billed Medicare for 1,094 services in 2024
CMS data shows 1,094 Medicare services from Dr. Bloch across 15 procedure codes in 2024, for 300 Medicare patients. Medicare paid $53,544 for them. Every service was in an office.
Dr. Bloch's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4752024: 4944%
- Other services
- 2023: 2352024: 32337%
- Tests and treatments
- 2023: 1552024: 23854%
- Lab and pathology
- 2023: 192024: 39105%
Dr. Bloch compared with the California median for internists, 2024
- Dr. Bloch
- California median
- Medicare services
- 1,094vs 3613.0 times
- Medicare patients
- 300vs 15199% above
- Part D claims
- 3,227vs 4217.7 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Bloch'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.
Need commercial claims for Dr. Bloch?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bloch and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joy Sokolski Bloch treated 300 Medicare patients in 2024, average age 77
CMS counts 300 Medicare patients who saw Dr. Bloch in 2024. The largest group is 75 to 84, with 139 patients. 75% of them have high cholesterol, and 65% have high blood pressure. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Bloch's median patient age at 72, with 75% women.
Dr. Bloch's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Bloch's Medicare patients by sex, 2024
- Women21471%
- Men8629%
Chronic conditions among Dr. Bloch's Medicare patients, 2024
- High cholesterol75%
- High blood pressure65%
- Arthritis44%
- Osteoporosis29%
- Chronic kidney disease22%
- Atrial fibrillation19%
- Mood disorders18%
- Depression17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bloch's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women75%
- Men23%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joy Sokolski Bloch wrote 3,835 Medicare Part D claims in 2024
In 2024, Dr. Bloch wrote 3,835 Medicare Part D claims for 433 patients. 90% of them were for generic drugs. CMS names the drug for 3,227 of them, across 74 drugs with 11 or more claims each, at $175,024 in total drug cost. In 2023, CMS named 3,091 claims across 74 drugs.
Dr. Bloch's Part D claims by kind of drug, 2024
- Generic3,446 claims90%
- Brand-name and other389 claims10%
Dr. Bloch'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. Bloch's Part D claims, 2024
- Opioids2%67 of 3,835 claims
- Antibiotics3%101 of 3,835 claims
- Antipsychotics, patients 65 and over0%16 of 3,835 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: 3,0912024: 3,2274%
Drugs named by CMS: 74 in 2024, 74 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. Joy Sokolski Bloch offers telehealth to Medicare patients
Dr. Bloch accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Bloch as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Joy Sokolski Bloch received $3,720 in industry payments from 2016 to 2025
CMS Open Payments shows 182 general payments to Dr. Bloch from 33 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $426.
General payments to Dr. Bloch by program year, 2016 to 2025
General payments to Dr. Bloch by kind, 2016 to 2025
- Food and beverage$3,707100%
- Education$130%
Companies that paid Dr. Bloch 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. Joy Sokolski Bloch graduated from College of Medicine - Tucson
Dr. Bloch graduated from College of Medicine - Tucson in 1995.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Joy Sokolski Bloch accepts plans from 14 insurance carriers
Dr. Bloch is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Humana
- Regence Health Plans
- +6 more carriersWith a free account
Plan types Dr. Bloch accepts, by number of carriers
- Medicare10
- PPO9
- HMO6
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Joy Sokolski Bloch'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 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)Doctors and Clinicians Utilization Data (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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Joy Sokolski Bloch
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. Joy Sokolski Bloch's NPI number?
Dr. Joy Sokolski Bloch's NPI number is 1740363167. It was assigned on October 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Joy Sokolski Bloch?
Dr. Joy Sokolski Bloch is an internist in Walnut Creek, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Joy Sokolski Bloch practice?
Dr. Bloch practices at 1450 Treat Blvd, Walnut Creek, CA 94597. Dr. Bloch's primary practice is John Muir Medical Center - Walnut C - Imaging - HOPD in Walnut Creek, California. Dmand AI also links Dr. Bloch to 1 hospital, 1 group practice or clinic and 1 home health agency.
What is Dr. Joy Sokolski Bloch's medical license number?
Dr. Bloch holds California license A61796.
Which hospitals is Dr. Joy Sokolski Bloch affiliated with?
Dr. Bloch is affiliated with John Muir Medical Center, Walnut Creek. Dmand AI links Dr. Bloch to 1 more hospital.
What medical group is Dr. Joy Sokolski Bloch part of?
Dr. Bloch is linked to John Muir Medical Group.
Does Dr. Joy Sokolski Bloch accept Medicare?
Yes. CMS data shows Dr. Bloch billed Medicare for 1,094 services in 2024, and Dr. Bloch accepts Medicare assignment.
Does Dr. Joy Sokolski Bloch offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Bloch as offering telehealth services.
How many Medicare patients does Dr. Joy Sokolski Bloch see?
CMS counts 300 Medicare patients who saw Dr. Bloch in 2024, with an average age of 77.
Is Dr. Joy Sokolski Bloch board certified?
Yes. Dr. Bloch is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Joy Sokolski Bloch bill to Medicare?
In 2024, Dr. Bloch's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Joy Sokolski Bloch go to medical school?
Dr. Bloch graduated from College of Medicine - Tucson in 1995.
What drugs does Dr. Joy Sokolski Bloch prescribe most?
In 2024 Medicare Part D data, Dr. Bloch's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Rosuvastatin Calcium.
Has Dr. Joy Sokolski Bloch received payments from drug or device companies?
CMS Open Payments shows $3,720 in general payments to Dr. Bloch from 33 companies from 2016 to 2025. The largest total came from Eli Lilly and Company.
How long has Dr. Joy Sokolski Bloch been practicing?
Dr. Bloch graduated from medical school in 1995, 31 years ago.
What insurance does Dr. Joy Sokolski Bloch accept?
Dr. Bloch is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
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