Dr. Sandra E. Willis, MD
- Medicare services, 2017
- 674
- Part D claims, 2018
- 31
- Industry payments
- $1,221
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 4629 Whitney Ave Ste #2 Suite 2, Sacramento, CA 95821
- Practice phone
- Call (916) 482-9800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Musbah Al-salti
Multi-specialty group site · Sacramento, California
Find Dr. Willis' professional email, personal email and mobile number
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Dr. Sandra E. Willis is an internist in Sacramento, California
Dr. Willis practices at Musbah Al-salti in Sacramento, California.
Dr. Willis' NPI, 1225062847, was assigned on July 10, 2006. Dr. Willis graduated from Medical College of Georgia in 1977. Dr. Willis holds California license G51347.
- NPI
- 1225062847NPI Registry (opens in a new tab)
- NPI enumeration date
- July 10, 2006
- NPI status
- Active
- Practice phone
- (916) 482-9800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sandra E. Willis practices at Musbah Al-salti in Sacramento, California
Dr. Willis' primary practice is Musbah Al-salti, at 4629 Whitney Ave Ste #2 Suite 2, Sacramento, CA 95821. The practice phone is (916) 482-9800.
- Musbah Al-salti4629 Whitney Ave Ste #2 Suite 2, Sacramento, CA 95821Phone(916) 482-9800
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sandra E. Willis is affiliated with 1 site of care and 1 medical group
Dr. Willis' primary practice is Musbah Al-salti in Sacramento, California. Dmand AI also links Dr. Willis to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Sandra E. Willis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Willis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Musbah Al-salti | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sandra E. Willis is one of 16,751 internists in California
Internal medicine is Dr. Willis' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Willis is board certified in internal medicine by the American Board of Internal Medicine. Dr. Willis is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Willis
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. Sandra E. Willis billed Medicare for 674 services in 2017
CMS data shows 674 Medicare services from Dr. Willis across 6 procedure codes in 2017. Medicare paid $42,477 for them. Every service was in an office.
Dr. Willis' Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 7162017: 52027%
- Other services
- 2016: 1792017: 5370%
- Lab and pathology
- 2016: 1262017: 4961%
- Tests and treatments
- 2016: 1412017: 3972%
- Surgery
- 2016: 122017: 138%
Dr. Willis compared with the California median for internists, 2017
- Dr. Willis
- California median
- Medicare services
- 674vs 36187% above
- Part D claims
- 31vs 42193% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Willis' most billed Medicare procedure codes, 2017
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. Willis and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sandra E. Willis' patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Willis' median patient age at 64, with 52% women.
Dr. Willis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. Sandra E. Willis wrote 31 Medicare Part D claims in 2018
In 2018, Dr. Willis wrote 31 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $568 in total drug cost. In 2017, CMS named 3,123 claims across 92 drugs.
Dr. Willis' most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 3,1232018: 3199%
Drugs named by CMS: 2 in 2018, 92 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Sandra E. Willis received $1,221 in industry payments from 2016 to 2017
CMS Open Payments shows 65 general payments to Dr. Willis from 18 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $206.
General payments to Dr. Willis by program year, 2016 to 2017
General payments to Dr. Willis by kind, 2016 to 2017
- Food and beverage$1,19498%
- Education$272%
Companies that paid Dr. Willis the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sandra E. Willis graduated from Medical College of Georgia
Dr. Willis graduated from Medical College of Georgia in 1977.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Sandra E. Willis accepts plans from 3 insurance carriers
Dr. Willis is in network with 3 carriers, including Elevance, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
Plan types Dr. Willis accepts, by number of carriers
- Medicare3
- PPO3
- EPO1
- HMO1
- Medicaid1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Sandra E. Willis'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Sandra E. Willis
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. Sandra E. Willis' NPI number?
Dr. Sandra E. Willis' NPI number is 1225062847. It was assigned on July 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Sandra E. Willis?
Dr. Sandra E. Willis is an internist in Sacramento, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sandra E. Willis practice?
Dr. Willis practices at 4629 Whitney Ave Ste #2 Suite 2, Sacramento, CA 95821. Dr. Willis' primary practice is Musbah Al-salti in Sacramento, California. Dmand AI also links Dr. Willis to 1 medical group.
What is Dr. Sandra E. Willis' office phone number?
The practice phone on file for Dr. Willis is (916) 482-9800.
What is Dr. Sandra E. Willis' medical license number?
Dr. Willis holds California license G51347.
Does Dr. Sandra E. Willis accept Medicare?
Yes. CMS data shows Dr. Willis billed Medicare for 674 services in 2017.
Is Dr. Sandra E. Willis board certified?
Yes. Dr. Willis is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Sandra E. Willis bill to Medicare?
In 2017, Dr. Willis' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Sandra E. Willis go to medical school?
Dr. Willis graduated from Medical College of Georgia in 1977.
What drugs does Dr. Sandra E. Willis prescribe most?
In 2018 Medicare Part D data, Dr. Willis' most prescribed drugs by claims were Levothyroxine Sodium and Atorvastatin Calcium.
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Has Dr. Sandra E. Willis received payments from drug or device companies?
CMS Open Payments shows $1,221 in general payments to Dr. Willis from 18 companies from 2016 to 2017. The largest total came from Abbvie Inc.
How long has Dr. Sandra E. Willis been practicing?
Dr. Willis graduated from medical school in 1977, 49 years ago.
What insurance does Dr. Sandra E. Willis accept?
Dr. Willis is in network with 3 carriers, including Elevance, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
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