Dr. Christine K. Santiago, MD

  • Stanford, CA
  • Internist
NPI1316400286PAC ID4688056161
Medicare services, 2024
340
Medicare patients, 2024
118
Part D claims, 2024
69
Publications
1
Clinical trials
1
Practice address
300 Pasteur Drive, Stanford, CA 94305
Practice phone
Call (650) 723-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Stanford Hospital at 300 Pasteur Drive

Hospital · Stanford, California

See all 4 affiliations

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Dr. Christine K. Santiago is an internist in Stanford, California

Dr. Santiago practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Dr. Santiago's NPI, 1316400286, was assigned on April 9, 2019. Dr. Santiago graduated from Harvard Medical School in 2018. Dr. Santiago holds California license A178188.

NPI and contact details
Medicare PAC ID
4688056161
NPI enumeration date
April 9, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(650) 723-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
33
Medical school graduation
2018

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Christine K. Santiago practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California

Dr. Santiago's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.

Source: Dmand AI Affiliation Data

Dr. Christine K. Santiago is affiliated with 2 sites of care and 2 medical groups

Dr. Santiago's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Santiago to 1 more hospital and 1 medical group, each named with a free account. Dr. Santiago's employer is on file too: a hospital.

See all 4 affiliations for Dr. Santiago

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Christine K. Santiago's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Santiago practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Stanford Hospital at 300 Pasteur DriveAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Christine K. 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 board certified in internal medicine by the American Board of Internal Medicine. Dr. Santiago is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A178188 · 2022 to 2026 · taxonomy 207R00000X

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. Christine K. Santiago billed Medicare for 340 services in 2024

CMS data shows 340 Medicare services from Dr. Santiago across 5 procedure codes in 2024, for 118 Medicare patients. Medicare paid $37,443 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024340
Medicare patients118
Paid by Medicare$37,443
Procedure codes5

Dr. Santiago's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4102024: 34017%

Dr. Santiago compared with the California median for internists, 2024

  • Dr. Santiago
  • California median
Medicare services
340vs 3616% below
Medicare patients
118vs 15122% below
Part D claims
11vs 42197% 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.

See all procedures by Dr. Santiago

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Christine K. Santiago treated 118 Medicare patients in 2024, average age 75

CMS counts 118 Medicare patients who saw Dr. Santiago in 2024. The largest group is 65 to 74, with 40 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 39% are also on Medicaid. Their average risk score is 3.22, 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 58, with 55% women.

Medicare patients, 2024118
Average age75
Average risk score3.22
Also on Medicaid39%

Dr. Santiago's Medicare patients by age, 2024

Dr. Santiago's Medicare patients by sex, 2024

  • Women7059%
  • Men4841%

Chronic conditions among Dr. Santiago's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Mood disorders52%
  4. Ischemic heart disease51%
  5. Depression47%
  6. Diabetes47%
  7. Heart failure47%
  8. Chronic kidney disease46%

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 58

Patient panel by sex, all payers

  • Women55%
  • Men42%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Christine K. Santiago wrote 69 Medicare Part D claims in 2024

In 2024, Dr. Santiago wrote 69 Medicare Part D claims for 34 patients. 91% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $178 in total drug cost.

Part D claims, 202469
Drugs named by CMS1
Total drug cost$178
Part D patients34

Dr. Santiago's Part D claims by kind of drug, 2024

  • Generic63 claims91%
  • Brand-name and other6 claims9%

Dr. Santiago's most prescribed drugs by claims, 2023

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

  • Antibiotics19%13 of 69 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Dr. Santiago

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. Christine K. Santiago scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Santiago for performance year 2024, reported as part of a group. Dr. Santiago accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Santiago's MIPS scores, performance year 2024

  • 89of 100Final score
  • 87.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 70of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Christine K. Santiago has 1 publication on record

Dmand AI links 1 paper to Dr. Santiago. Dr. Santiago's most frequent co-author is Robert Joseph Gallo, MD.

Papers1

Dr. Santiago's most frequent co-authors

Recent publications by Dr. Santiago

See all 1 publications and co-authors

See who Dr. Santiago researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Santiago works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Christine K. Santiago has worked on 1 clinical trial

Dmand AI links Dr. Santiago to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Diabetes Mellitus, Type 1 and Diabetes Mellitus, Type 2.

Conditions in Dr. Santiago's trials

  • Diabetes Mellitus, Type 1
  • Diabetes Mellitus, Type 2

Recent clinical trials with Dr. Santiago

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Christine K. Santiago graduated from Harvard Medical School

Dr. Santiago graduated from Harvard Medical School in 2018.

  1. Medical schoolHarvard Medical School
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Christine K. Santiago accepts plans from 5 insurance carriers

Dr. Santiago is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, 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.

  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • CMS Medicare
  • WI State Medicaid

Plan types Dr. Santiago accepts, by number of carriers

  1. Medicare3
  2. PPO3
  3. HMO1
  4. Medicaid1
  5. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Christine K. Santiago's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Christine K. 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. Christine K. Santiago's NPI number?

Dr. Christine K. Santiago's NPI number is 1316400286. It was assigned on April 9, 2019, and it is active in the NPI Registry.

What kind of doctor is Dr. Christine K. Santiago?

Dr. Christine K. Santiago is an internist in Stanford, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Christine K. Santiago practice?

Dr. Santiago practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Santiago's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Santiago to 1 hospital and 1 medical group.

What is Dr. Christine K. Santiago's office phone number?

The practice phone on file for Dr. Santiago is (650) 723-4000.

What is Dr. Christine K. Santiago's medical license number?

Dr. Santiago holds California license A178188.

Which hospitals is Dr. Christine K. Santiago affiliated with?

Dr. Santiago practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Dr. Santiago to 1 more hospital.

What medical group is Dr. Christine K. Santiago part of?

Dr. Santiago is linked to Stanford Health Care. Dmand AI links Dr. Santiago to 1 more medical group.

Does Dr. Christine K. Santiago accept Medicare?

Yes. CMS data shows Dr. Santiago billed Medicare for 340 services in 2024, and Dr. Santiago accepts Medicare assignment.

What is Dr. Christine K. Santiago's MIPS score?

Dr. Santiago's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

How many Medicare patients does Dr. Christine K. Santiago see?

CMS counts 118 Medicare patients who saw Dr. Santiago in 2024, with an average age of 75.

Show 8 more questionsShow fewer questions

Is Dr. Christine K. Santiago board certified?

Yes. Dr. Santiago is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Christine K. Santiago bill to Medicare?

In 2024, Dr. Santiago's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and hospital inpatient care (99239).

Where did Dr. Christine K. Santiago go to medical school?

Dr. Santiago graduated from Harvard Medical School in 2018.

What drugs does Dr. Christine K. Santiago prescribe most?

In 2023 Medicare Part D data, Dr. Santiago's most prescribed drugs by claims were Atorvastatin Calcium.

How long has Dr. Christine K. Santiago been practicing?

Dr. Santiago graduated from medical school in 2018, 8 years ago.

Does Dr. Christine K. Santiago do research?

Dmand AI links 1 publication to Dr. Santiago. Dr. Santiago has worked on 1 clinical trial.

Who does Dr. Christine K. Santiago publish with?

Dr. Santiago's most frequent co-authors are Robert Joseph Gallo, MD (1 shared paper).

What insurance does Dr. Christine K. Santiago accept?

Dr. Santiago is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, 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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