Dr. Assefa Worku, MD
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 4,766
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 2
- Practice address
- 710 Lawrence Expy, Santa Clara, CA 95051
- Practice phone
- Call (408) 851-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Santa Clara, California
Find Dr. Worku's professional email, personal email and mobile number
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Dr. Assefa Worku is an internist in Santa Clara, California
Dr. Worku practices at Permanente Medical Group Inc in Santa Clara, California.
Dr. Worku's NPI, 1003127986, was assigned on June 25, 2010. Dr. Worku graduated from Pavol Jozef Safarik University Faculty of Medicine in 1991. Dr. Worku holds California license A109678.
- NPI
- 1003127986NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355530098
- NPI enumeration date
- June 25, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 851-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Assefa Worku practices at Permanente Medical Group Inc in Santa Clara, California
Dr. Worku's primary practice is Permanente Medical Group Inc, at 710 Lawrence Expy, Santa Clara, CA 95051 in Santa Clara County. The practice phone is (408) 851-1000.
- Permanente Medical Group Inc710 Lawrence Expy, Santa Clara, CA 95051 · Santa Clara CountyPhone(408) 851-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Assefa Worku is affiliated with 2 sites of care and 1 medical group
Dr. Worku's primary practice is Permanente Medical Group Inc in Santa Clara, California. Dr. Worku is also affiliated with San Jose Medical Center. The medical group on file is The Permanente Medical Group, Inc.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Assefa Worku's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Worku practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Assefa Worku is one of 16,751 internists in California
Internal medicine is Dr. Worku's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Worku is board certified in internal medicine by the American Board of Internal Medicine. Dr. Worku is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic diabetes, chronic hypertension and rash among the conditions Dr. Worku treats.
Internists near Dr. Worku
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. Assefa Worku treated 12 Medicare patients in 2024, average age 71
CMS counts 12 Medicare patients who saw Dr. Worku in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 0.86, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Worku's median patient age at 61, with 34% women.
Dr. Worku's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Worku'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
- Women34%
- Men66%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Assefa Worku wrote 4,766 Medicare Part D claims in 2024
In 2024, Dr. Worku wrote 4,766 Medicare Part D claims for 544 patients. 91% of them were for generic drugs. CMS names the drug for 4,251 of them, across 84 drugs with 11 or more claims each, at $162,344 in total drug cost. In 2023, CMS named 4,427 claims across 89 drugs.
Dr. Worku's Part D claims by kind of drug, 2024
- Generic4,333 claims91%
- Brand-name402 claims8%
- Other31 claims1%
Dr. Worku'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. Worku's Part D claims, 2024
- Opioids1%61 of 4,766 claims
- Antibiotics2%86 of 4,766 claims
- Antipsychotics, patients 65 and over0%17 of 4,766 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: 4,4272024: 4,2514%
Drugs named by CMS: 84 in 2024, 89 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
How Dr. Assefa Worku takes part in Medicare
Dr. Worku accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Assefa Worku has 1 award and honors on record
Dmand AI lists 1 award for Dr. Worku, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Worku
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Assefa Worku graduated from Pavol Jozef Safarik University Faculty of Medicine
Dr. Worku graduated from Pavol Jozef Safarik University Faculty of Medicine in 1991.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Assefa Worku accepts plans from 2 insurance carriers
Dr. Worku is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Worku accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Assefa Worku'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Assefa Worku
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. Assefa Worku's NPI number?
Dr. Assefa Worku's NPI number is 1003127986. It was assigned on June 25, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Assefa Worku?
Dr. Assefa Worku is an internist in Santa Clara, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Assefa Worku practice?
Dr. Worku practices at 710 Lawrence Expy, Santa Clara, CA 95051. Dr. Worku's primary practice is Permanente Medical Group Inc in Santa Clara, California.
What is Dr. Assefa Worku's office phone number?
The practice phone on file for Dr. Worku is (408) 851-1000.
What is Dr. Assefa Worku's medical license number?
Dr. Worku holds California license A109678.
Which hospitals is Dr. Assefa Worku affiliated with?
Dr. Worku is affiliated with San Jose Medical Center.
What medical group is Dr. Assefa Worku part of?
Dr. Worku is linked to The Permanente Medical Group, Inc.
Does Dr. Assefa Worku accept Medicare?
Yes. CMS lists Dr. Worku as accepting Medicare assignment.
How many Medicare patients does Dr. Assefa Worku see?
CMS counts 12 Medicare patients who saw Dr. Worku in 2024, with an average age of 71.
Is Dr. Assefa Worku board certified?
Yes. Dr. Worku is board certified in internal medicine by the American Board of Internal Medicine.
Show 4 more questionsShow fewer questions
Where did Dr. Assefa Worku go to medical school?
Dr. Worku graduated from Pavol Jozef Safarik University Faculty of Medicine in 1991.
What drugs does Dr. Assefa Worku prescribe most?
In 2024 Medicare Part D data, Dr. Worku's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
How long has Dr. Assefa Worku been practicing?
Dr. Worku graduated from medical school in 1991, 35 years ago.
What insurance does Dr. Assefa Worku accept?
Dr. Worku is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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