Dr. Alisson Diann Sombredero Sanchez, MD
- Medicare services, 2024
- 166
- Medicare patients, 2024
- 70
- Part D claims, 2024
- 761
- Hospital affiliations
- 3
- Industry payments
- $1,705
- Practice address
- 2950 International Boulevard, Oakland, CA 94601
- Practice phone
- Call (510) 535-4460
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Native American Health Center - Oakland
FQHC - Main Site · Oakland, California
Find Dr. Sombredero Sanchez'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. Alisson Diann Sombredero Sanchez is an internist in Oakland, California
Dr. Sombredero Sanchez practices at Native American Health Center - Oakland in Oakland, California.
Dr. Sombredero Sanchez's NPI, 1932470978, was assigned on January 23, 2012. Dr. Sombredero Sanchez graduated from Other in 2004. Dr. Sombredero Sanchez holds California license A119736.
- NPI
- 1932470978NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709049760
- NPI enumeration date
- January 23, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (510) 535-4460
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alisson Diann Sombredero Sanchez practices at Native American Health Center - Oakland in Oakland, California
Dr. Sombredero Sanchez's primary practice is Native American Health Center - Oakland, at 2950 International Boulevard, Oakland, CA 94601. The practice phone is (510) 535-4460.
- Native American Health Center - Oakland2950 International Boulevard, Oakland, CA 94601Phone(510) 535-4460
Source: Dmand AI Affiliation Data
Dr. Alisson Diann Sombredero Sanchez is affiliated with 7 sites of care and 3 medical groups
Dr. Sombredero Sanchez's primary practice is Native American Health Center - Oakland in Oakland, California. Dr. Sombredero Sanchez is also affiliated with California Pacific Medical Center Van Ness Campus. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Sombredero Sanchez to 2 more hospitals, 2 group practices and clinics, 2 medical groups and 1 home health agency, 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. Alisson Diann Sombredero Sanchez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sombredero Sanchez practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Native American Health Center - Oakland | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alisson Diann Sombredero Sanchez is one of 16,751 internists in California
Internal medicine is Dr. Sombredero Sanchez's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sombredero Sanchez is board certified in internal medicine by the American Board of Internal Medicine. Dr. Sombredero Sanchez is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute kidney failure, acute skin infection, anxiety, bronchitis, chest wall injury, chronic anemia and chronic diabetes among the conditions Dr. Sombredero Sanchez treats.
Internists near Dr. Sombredero Sanchez
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. Alisson Diann Sombredero Sanchez billed Medicare for 166 services in 2024
CMS data shows 166 Medicare services from Dr. Sombredero Sanchez across 4 procedure codes in 2024, for 70 Medicare patients. Medicare paid $17,333 for them. Every service was in an office.
Dr. Sombredero Sanchez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 02024: 136
- Other services
- 2023: 02024: 30
- Lab and pathology
- 2023: 252024: 0100%
Dr. Sombredero Sanchez compared with the California median for internists, 2024
- Dr. Sombredero Sanchez
- California median
- Medicare services
- 166vs 36154% below
- Medicare patients
- 70vs 15154% below
- Part D claims
- 307vs 42127% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Sombredero Sanchez'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. Sombredero Sanchez and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alisson Diann Sombredero Sanchez treated 70 Medicare patients in 2024, average age 73
CMS counts 70 Medicare patients who saw Dr. Sombredero Sanchez in 2024. The largest group is 65 to 74, with 35 patients. 73% of them have high cholesterol, and 70% have high blood pressure. 29% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sombredero Sanchez's median patient age at 45, with 58% women.
Dr. Sombredero Sanchez's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sombredero Sanchez's Medicare patients by sex, 2024
- Women3347%
- Men3753%
Chronic conditions among Dr. Sombredero Sanchez's Medicare patients, 2024
- High cholesterol73%
- High blood pressure70%
- Arthritis43%
- Mood disorders33%
- Anxiety27%
- Chronic kidney disease27%
- Diabetes27%
- Depression26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sombredero Sanchez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women58%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alisson Diann Sombredero Sanchez wrote 761 Medicare Part D claims in 2024
In 2024, Dr. Sombredero Sanchez wrote 761 Medicare Part D claims for 175 patients. 76% of them were for generic drugs. CMS names the drug for 307 of them, across 14 drugs with 11 or more claims each, at $205,364 in total drug cost. In 2023, CMS named 628 claims across 30 drugs.
Dr. Sombredero Sanchez's Part D claims by kind of drug, 2024
- Generic578 claims76%
- Brand-name and other183 claims24%
Dr. Sombredero Sanchez'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. Sombredero Sanchez's Part D claims, 2024
- Antibiotics2%18 of 761 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: 6282024: 30751%
Drugs named by CMS: 14 in 2024, 30 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. Alisson Diann Sombredero Sanchez offers telehealth to Medicare patients
Dr. Sombredero Sanchez accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sombredero Sanchez as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Alisson Diann Sombredero Sanchez received $1,705 in industry payments from 2016 to 2025
CMS Open Payments shows 42 general payments to Dr. Sombredero Sanchez from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 83% of the total. Gilead Sciences, Inc. paid the most, $1,042.
General payments to Dr. Sombredero Sanchez by program year, 2016 to 2025
General payments to Dr. Sombredero Sanchez by kind, 2016 to 2025
- Food and beverage$1,42383%
- Education$28217%
Companies that paid Dr. Sombredero Sanchez 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. Alisson Diann Sombredero Sanchez has 1 award and honors on record
Dmand AI lists 1 award for Dr. Sombredero Sanchez, most recently HIV minority fellowship in 2012.
Awards and honors for Dr. Sombredero Sanchez
- 2012
- HIV minority fellowship
Source: Dmand AI Professional Profile Data
Dr. Alisson Diann Sombredero Sanchez graduated from Other
Dr. Sombredero Sanchez graduated from Other in 2004.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Alisson Diann Sombredero Sanchez accepts plans from 11 insurance carriers
Dr. Sombredero Sanchez is in network with 11 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- +3 more carriersWith a free account
Plan types Dr. Sombredero Sanchez accepts, by number of carriers
- PPO7
- HMO6
- EPO4
- Medicare4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Alisson Diann Sombredero Sanchez'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) |
| Industry payments | Open Payments (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. Alisson Diann Sombredero Sanchez
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. Alisson Diann Sombredero Sanchez's NPI number?
Dr. Alisson Diann Sombredero Sanchez's NPI number is 1932470978. It was assigned on January 23, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Alisson Diann Sombredero Sanchez?
Dr. Alisson Diann Sombredero Sanchez is an internist in Oakland, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Alisson Diann Sombredero Sanchez practice?
Dr. Sombredero Sanchez practices at 2950 International Boulevard, Oakland, CA 94601. Dr. Sombredero Sanchez's primary practice is Native American Health Center - Oakland in Oakland, California. Dmand AI also links Dr. Sombredero Sanchez to 2 hospitals, 2 group practices and clinics, 2 medical groups and 1 home health agency.
What is Dr. Alisson Diann Sombredero Sanchez's office phone number?
The practice phone on file for Dr. Sombredero Sanchez is (510) 535-4460.
What is Dr. Alisson Diann Sombredero Sanchez's medical license number?
Dr. Sombredero Sanchez holds California license A119736.
Which hospitals is Dr. Alisson Diann Sombredero Sanchez affiliated with?
Dr. Sombredero Sanchez is affiliated with California Pacific Medical Center Van Ness Campus. Dmand AI links Dr. Sombredero Sanchez to 2 more hospitals.
What medical group is Dr. Alisson Diann Sombredero Sanchez part of?
Dr. Sombredero Sanchez is linked to Palo Alto Foundation Medical Group. Dmand AI links Dr. Sombredero Sanchez to 2 more medical groups.
Does Dr. Alisson Diann Sombredero Sanchez accept Medicare?
Yes. CMS data shows Dr. Sombredero Sanchez billed Medicare for 166 services in 2024, and Dr. Sombredero Sanchez accepts Medicare assignment.
Does Dr. Alisson Diann Sombredero Sanchez offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Sombredero Sanchez as offering telehealth services.
How many Medicare patients does Dr. Alisson Diann Sombredero Sanchez see?
CMS counts 70 Medicare patients who saw Dr. Sombredero Sanchez in 2024, with an average age of 73.
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Is Dr. Alisson Diann Sombredero Sanchez board certified?
Yes. Dr. Sombredero Sanchez is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Alisson Diann Sombredero Sanchez bill to Medicare?
In 2024, Dr. Sombredero Sanchez's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and medicare service (G2211).
Where did Dr. Alisson Diann Sombredero Sanchez go to medical school?
Dr. Sombredero Sanchez graduated from Other in 2004.
What drugs does Dr. Alisson Diann Sombredero Sanchez prescribe most?
In 2024 Medicare Part D data, Dr. Sombredero Sanchez's most prescribed drugs by claims were Atorvastatin Calcium, Biktarvy and Amlodipine Besylate.
Has Dr. Alisson Diann Sombredero Sanchez received payments from drug or device companies?
CMS Open Payments shows $1,705 in general payments to Dr. Sombredero Sanchez from 9 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Dr. Alisson Diann Sombredero Sanchez been practicing?
Dr. Sombredero Sanchez graduated from medical school in 2004, 22 years ago.
What insurance does Dr. Alisson Diann Sombredero Sanchez accept?
Dr. Sombredero Sanchez is in network with 11 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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