Dr. Khimberley D. Santiago, MD
- Medicare services, 2024
- 74
- Medicare patients, 2024
- 38
- Part D claims, 2024
- 263
- Hospital affiliations
- 1
- Industry payments
- $32
- Practice address
- 975 Sereno Dr, Vallejo, CA 94589
- Practice phone
- Call (707) 651-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Santiago'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. Khimberley D. Santiago is an internist in Vallejo, California
Dr. Santiago practices at Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente.
Dr. Santiago's NPI, 1417269044, was assigned on July 12, 2010. Dr. Santiago graduated from University of the East College of Medicine in 2006. Dr. Santiago holds Maryland license P25306.
- NPI
- 1417269044NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193952356
- NPI enumeration date
- July 12, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 651-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Khimberley D. Santiago practices at Vallejo Medical Center in Vallejo, California
Dr. Santiago's primary practice is Vallejo Medical Center, at 975 Sereno Dr, Vallejo, CA 94589 in Solano County. The practice phone is (707) 651-1000.
- Vallejo Medical Center975 Sereno Dr, Vallejo, CA 94589 · Solano CountyPhone(707) 651-1000
Source: Dmand AI Affiliation Data
Dr. Khimberley D. Santiago is affiliated with 3 sites of care and 1 medical group
Dr. Santiago's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Santiago to 1 more home health agency and 1 hospice, 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. Khimberley D. Santiago's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Santiago practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vallejo Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Khimberley D. Santiago is one of 16,751 internists in California
Internal medicine is Dr. Santiago's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Santiago is licensed in Maryland.
Specialties and state licenses
- Internal medicine, MarylandPrimary
Clinical focus
Dmand AI lists circulation problems, sepsis and substance abuse among the conditions Dr. Santiago treats.
Internists near Dr. Santiago
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. Khimberley D. Santiago billed Medicare for 74 services in 2024
CMS data shows 74 Medicare services from Dr. Santiago across 2 procedure codes in 2024, for 38 Medicare patients. Medicare paid $5,392 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Santiago's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 272024: 74174%
Dr. Santiago compared with the California median for internists, 2024
- Dr. Santiago
- California median
- Medicare services
- 74vs 36180% below
- Medicare patients
- 38vs 15175% below
- Part D claims
- 77vs 42182% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Santiago'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. Santiago and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Khimberley D. Santiago treated 38 Medicare patients in 2024, average age 66
CMS counts 38 Medicare patients who saw Dr. Santiago in 2024. The largest group is under 65, with 16 patients. 74% of them have high blood pressure, and 68% have high cholesterol. 71% are also on Medicaid. Their average risk score is 3.18, 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. Santiago's median patient age at 70, with 50% women.
Dr. Santiago's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Santiago's Medicare patients by sex, 2024
- Women1642%
- Men2258%
Chronic conditions among Dr. Santiago's Medicare patients, 2024
- High blood pressure74%
- High cholesterol68%
- Diabetes55%
- Chronic kidney disease47%
- Alzheimer's and dementia39%
- Arthritis39%
- Ischemic heart disease39%
- Heart failure34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Santiago's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Khimberley D. Santiago wrote 263 Medicare Part D claims in 2024
In 2024, Dr. Santiago wrote 263 Medicare Part D claims for 93 patients. 86% of them were for generic drugs. CMS names the drug for 77 of them, across 5 drugs with 11 or more claims each, at $974 in total drug cost. In 2023, CMS named 102 claims across 7 drugs.
Dr. Santiago's Part D claims by kind of drug, 2024
- Generic226 claims86%
- Brand-name and other37 claims14%
Dr. Santiago'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. Santiago's Part D claims, 2024
- Antibiotics13%34 of 263 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: 1022024: 7725%
Drugs named by CMS: 5 in 2024, 7 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. Khimberley D. Santiago takes part in Medicare
Dr. Santiago 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. Khimberley D. Santiago received $32 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Santiago from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Ceribell, Inc. paid the most, $32.
Companies that paid Dr. Santiago the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Khimberley D. Santiago graduated from University of the East College of Medicine
Dr. Santiago graduated from University of the East College of Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Khimberley D. Santiago'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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Khimberley D. Santiago
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. Khimberley D. Santiago's NPI number?
Dr. Khimberley D. Santiago's NPI number is 1417269044. It was assigned on July 12, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Khimberley D. Santiago?
Dr. Khimberley D. Santiago is an internist in Vallejo, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Khimberley D. Santiago practice?
Dr. Santiago practices at 975 Sereno Dr, Vallejo, CA 94589. Dr. Santiago's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dmand AI also links Dr. Santiago to 1 home health agency and 1 hospice.
What is Dr. Khimberley D. Santiago's office phone number?
The practice phone on file for Dr. Santiago is (707) 651-1000.
What is Dr. Khimberley D. Santiago's medical license number?
Dr. Santiago holds Maryland license P25306.
Which hospitals is Dr. Khimberley D. Santiago affiliated with?
Dr. Santiago practices at Vallejo Medical Center in Vallejo, California.
What medical group is Dr. Khimberley D. Santiago part of?
Dr. Santiago is linked to The Permanente Medical Group, Inc.
Does Dr. Khimberley D. Santiago accept Medicare?
Yes. CMS data shows Dr. Santiago billed Medicare for 74 services in 2024, and Dr. Santiago accepts Medicare assignment.
How many Medicare patients does Dr. Khimberley D. Santiago see?
CMS counts 38 Medicare patients who saw Dr. Santiago in 2024, with an average age of 66.
What services does Dr. Khimberley D. Santiago bill to Medicare?
In 2024, Dr. Santiago's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99222).
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Where did Dr. Khimberley D. Santiago go to medical school?
Dr. Santiago graduated from University of the East College of Medicine in 2006.
What drugs does Dr. Khimberley D. Santiago prescribe most?
In 2024 Medicare Part D data, Dr. Santiago's most prescribed drugs by claims were Metoprolol Succinate, Pantoprazole Sodium and Furosemide.
Has Dr. Khimberley D. Santiago received payments from drug or device companies?
CMS Open Payments shows $32 in general payments to Dr. Santiago from 1 company from 2025 to 2025. The largest total came from Ceribell, Inc.
How long has Dr. Khimberley D. Santiago been practicing?
Dr. Santiago graduated from medical school in 2006, 20 years ago.
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