Dr. Yosef Diab, MD
- Medicare services, 2024
- 908
- Medicare patients, 2024
- 371
- Part D claims, 2024
- 264
- MIPS score, 2024
- 50
- Hospital affiliations
- 3
- Practice address
- 1400 E Church St, Santa Maria, CA 93454
- Practice phone
- Call (805) 739-3100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Diab'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. Yosef Diab is an internist in Santa Maria, California
Dr. Diab practices at Dignity Health - Marian Regional Medical Center in Santa Maria, California, part of CommonSpirit Health.
Dr. Diab's NPI, 1053948026, was assigned on March 26, 2020. Dr. Diab graduated from American University of the Caribbean School of Medicine in 2020. Dr. Diab's California license number on file is A186325.
- NPI
- 1053948026NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224459359
- NPI enumeration date
- March 26, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 739-3100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Yosef Diab practices at Dignity Health - Marian Regional Medical Center in Santa Maria, California
Dr. Diab's primary practice is Dignity Health - Marian Regional Medical Center, at 1400 E Church St, Santa Maria, CA 93454 in Santa Barbara County. The practice phone is (805) 739-3100.
- Dignity Health - Marian Regional Medical Center1400 E Church St, Santa Maria, CA 93454 · Santa Barbara CountyPhone(805) 739-3100
Source: Dmand AI Affiliation Data
Dr. Yosef Diab is affiliated with 3 sites of care and 2 medical groups
Dr. Diab's primary practice is Dignity Health - Marian Regional Medical Center in Santa Maria, California, part of CommonSpirit Health. Dr. Diab is also affiliated with Lompoc Valley Medical Center. The medical group on file is Central Coast Inpatient Consultants. Dmand AI also links Dr. Diab to 1 more hospital and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Yosef Diab's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Diab practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - Marian Regional Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Yosef Diab is one of 16,751 internists in California
Internal medicine is Dr. Diab's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Diab is board certified in internal medicine by the American Board of Internal Medicine. Dr. Diab has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists atrial fibrillation and flutter, chronic kidney disease, chronic respiratory failure, gastrointestinal bleeding, hypertension, pneumonia and respiratory infection, seizures and sepsis among the conditions Dr. Diab treats.
Internists near Dr. Diab
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. Yosef Diab billed Medicare for 908 services in 2024
CMS data shows 908 Medicare services from Dr. Diab across 6 procedure codes in 2024, for 371 Medicare patients. Medicare paid $84,485 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Diab's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2392024: 908280%
Dr. Diab compared with the California median for internists, 2024
- Dr. Diab
- California median
- Medicare services
- 908vs 3612.5 times
- Medicare patients
- 371vs 1512.5 times
- Part D claims
- 64vs 42185% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Diab'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Yosef Diab treated 371 Medicare patients in 2024, average age 77
CMS counts 371 Medicare patients who saw Dr. Diab in 2024. The largest group is 75 to 84, with 120 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 43% are also on Medicaid. Their average risk score is 2.26, 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. Diab's median patient age at 61, with 46% women.
Dr. Diab's Medicare patients by age, 2024
Dr. Diab's Medicare patients by sex, 2024
- Women19252%
- Men17948%
Chronic conditions among Dr. Diab's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Chronic kidney disease45%
- Diabetes42%
- Mood disorders40%
- Heart failure39%
- Depression37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Diab's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Yosef Diab wrote 264 Medicare Part D claims in 2024
In 2024, Dr. Diab wrote 264 Medicare Part D claims for 129 patients. 84% of them were for generic drugs. CMS names the drug for 64 of them, across 4 drugs with 11 or more claims each, at $538 in total drug cost. In 2023, CMS named 24 claims across 2 drugs.
Dr. Diab's Part D claims by kind of drug, 2024
- Generic223 claims84%
- Brand-name and other41 claims16%
Dr. Diab'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. Diab's Part D claims, 2024
- Antibiotics22%57 of 264 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: 242024: 64167%
Drugs named by CMS: 4 in 2024, 2 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. Yosef Diab scored 50 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 50 out of 100 for Dr. Diab for performance year 2024, reported as part of a group. Dr. Diab accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Diab's MIPS scores, performance year 2024
- 50of 100Final score
- 29.5of 100Quality
- 0of 100Improvement Activities
- 80of 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. Yosef Diab received $18 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Diab from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. CSL Behring paid the most, $18.
Companies that paid Dr. Diab the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Yosef Diab graduated from American University of the Caribbean School of Medicine
Dr. Diab graduated from American University of the Caribbean School of Medicine in 2020.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Yosef Diab accepts plans from 5 insurance carriers
Dr. Diab is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Diab accepts, by number of carriers
- Medicare5
- PPO4
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Yosef Diab'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 |
| 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. Yosef Diab
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. Yosef Diab's NPI number?
Dr. Yosef Diab's NPI number is 1053948026. It was assigned on March 26, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Yosef Diab?
Dr. Yosef Diab is an internist in Santa Maria, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Yosef Diab practice?
Dr. Diab practices at 1400 E Church St, Santa Maria, CA 93454. Dr. Diab's primary practice is Dignity Health - Marian Regional Medical Center in Santa Maria, California, part of CommonSpirit Health. Dmand AI also links Dr. Diab to 1 hospital and 1 medical group.
What is Dr. Yosef Diab's office phone number?
The practice phone on file for Dr. Diab is (805) 739-3100.
What is Dr. Yosef Diab's medical license number?
Dr. Diab's California license number on file is A186325.
Which hospitals is Dr. Yosef Diab affiliated with?
Dr. Diab practices at Dignity Health - Marian Regional Medical Center in Santa Maria, California. Dr. Diab is also affiliated with Lompoc Valley Medical Center. Dmand AI links Dr. Diab to 1 more hospital.
What medical group is Dr. Yosef Diab part of?
Dr. Diab is linked to Central Coast Inpatient Consultants. Dmand AI links Dr. Diab to 1 more medical group.
Does Dr. Yosef Diab accept Medicare?
Yes. CMS data shows Dr. Diab billed Medicare for 908 services in 2024, and Dr. Diab accepts Medicare assignment.
What is Dr. Yosef Diab's MIPS score?
Dr. Diab's MIPS final score for performance year 2024 is 50 out of 100, reported as part of a group.
How many Medicare patients does Dr. Yosef Diab see?
CMS counts 371 Medicare patients who saw Dr. Diab in 2024, with an average age of 77.
Show 7 more questionsShow fewer questions
Is Dr. Yosef Diab board certified?
Yes. Dr. Diab is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Yosef Diab bill to Medicare?
In 2024, Dr. Diab's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Where did Dr. Yosef Diab go to medical school?
Dr. Diab graduated from American University of the Caribbean School of Medicine in 2020.
What drugs does Dr. Yosef Diab prescribe most?
In 2024 Medicare Part D data, Dr. Diab's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Furosemide and Albuterol Sulfate Hfa.
Has Dr. Yosef Diab received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Dr. Diab from 1 company from 2023 to 2023. The largest total came from CSL Behring.
How long has Dr. Yosef Diab been practicing?
Dr. Diab graduated from medical school in 2020, 6 years ago.
What insurance does Dr. Yosef Diab accept?
Dr. Diab is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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