Dr. Sharon Walker, MD
- Medicare services, 2023
- 99
- Part D claims, 2024
- 2,470
- Industry payments
- $214
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 900 E Hamilton Ave, Campbell, CA 95008
- Practice phone
- Call (469) 466-7007
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Signify Health
Campbell, California
Find Dr. Walker'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. Sharon Walker is an internist in Campbell, California
Dr. Walker practices at Signify Health in Campbell, California.
Dr. Walker's NPI, 1154614733, was assigned on May 16, 2011. Dr. Walker holds Ohio license 35.124436.
- NPI
- 1154614733NPI Registry (opens in a new tab)
- NPI enumeration date
- May 16, 2011
- NPI status
- Active
- Practice phone
- (469) 466-7007
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Sharon Walker practices at Signify Health in Campbell, California
Dr. Walker's primary practice is Signify Health, at 900 E Hamilton Ave, Campbell, CA 95008 in Santa Clara County. The practice phone is (469) 466-7007.
- Signify Health900 E Hamilton Ave, Campbell, CA 95008 · Santa Clara CountyPhone(469) 466-7007
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Sharon Walker is affiliated with 2 sites of care and 1 medical group
Dr. Walker's primary practice is Signify Health in Campbell, California. The medical group on file is Signify Health. Dmand AI also links Dr. Walker to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Sharon Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Signify Health | 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. Sharon Walker is one of 16,751 internists in California
Internal medicine is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Walker is licensed in Ohio.
Specialties and state licenses
- Internal medicine, OhioPrimary
Internists near Dr. Walker
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. Sharon Walker billed Medicare for 99 services in 2023
CMS data shows 99 Medicare services from Dr. Walker across 4 procedure codes in 2023. Medicare paid $5,867 for them. Every service was in an office.
Dr. Walker's Medicare services by type, 2018 to 2023
- 2018
- 2023
- Office and hospital visits
- 2018: 1642023: 6660%
- Surgery
- 2018: 02023: 19
- Other services
- 2018: 02023: 14
Dr. Walker compared with the California median for internists, 2023
- Dr. Walker
- California median
- Medicare services
- 99vs 36173% below
- Part D claims
- 2,018vs 4214.8 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Walker's most billed Medicare procedure codes, 2023
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. Walker and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sharon Walker's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Walker's median patient age at 72, with 54% women.
Dr. Walker'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
- Women54%
- Men45%
Source: Dmand AI Patient Panel Data
Dr. Sharon Walker wrote 2,470 Medicare Part D claims in 2024
In 2024, Dr. Walker wrote 2,470 Medicare Part D claims for 363 patients. 91% of them were for generic drugs. CMS names the drug for 2,018 of them, across 53 drugs with 11 or more claims each, at $62,040 in total drug cost. In 2023, CMS named 487 claims across 24 drugs.
Dr. Walker's Part D claims by kind of drug, 2024
- Generic2,250 claims91%
- Brand-name and other220 claims9%
Dr. Walker'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. Walker's Part D claims, 2024
- Opioids1%21 of 2,470 claims
- Antibiotics6%140 of 2,470 claims
- Antipsychotics, patients 65 and over1%19 of 2,470 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: 4872024: 2,018314%
Drugs named by CMS: 53 in 2024, 24 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
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Dr. Sharon Walker received $214 in industry payments from 2016 to 2023
CMS Open Payments shows 12 general payments to Dr. Walker from 8 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $43.
General payments to Dr. Walker by program year, 2016 to 2023
Companies that paid Dr. Walker the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Sharon Walker'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 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 Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Sharon Walker
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. Sharon Walker's NPI number?
Dr. Sharon Walker's NPI number is 1154614733. It was assigned on May 16, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Sharon Walker?
Dr. Sharon Walker is an internist in Campbell, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sharon Walker practice?
Dr. Walker practices at 900 E Hamilton Ave, Campbell, CA 95008. Dr. Walker's primary practice is Signify Health in Campbell, California. Dmand AI also links Dr. Walker to 1 group practice or clinic.
What is Dr. Sharon Walker's office phone number?
The practice phone on file for Dr. Walker is (469) 466-7007.
What is Dr. Sharon Walker's medical license number?
Dr. Walker holds Ohio license 35.124436.
What medical group is Dr. Sharon Walker part of?
Dr. Walker is linked to Signify Health.
Does Dr. Sharon Walker accept Medicare?
Yes. CMS data shows Dr. Walker billed Medicare for 99 services in 2023.
What services does Dr. Sharon Walker bill to Medicare?
In 2023, Dr. Walker's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and surgery: heart and blood vessels (36415).
What drugs does Dr. Sharon Walker prescribe most?
In 2024 Medicare Part D data, Dr. Walker's most prescribed drugs by claims were Atorvastatin Calcium, Albuterol Sulfate Hfa and Amlodipine Besylate.
Has Dr. Sharon Walker received payments from drug or device companies?
CMS Open Payments shows $214 in general payments to Dr. Walker from 8 companies from 2016 to 2023. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Sharon Walker been practicing?
Dr. Walker graduated from medical school in 2011, 15 years ago.
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