Dr. Christine Muthoni Ngaruiya, MD

  • Stanford, CA
  • Emergency medicine physician
NPI1316265986PAC ID3375777642
Medicare services, 2024
142
Medicare patients, 2024
159
Part D claims, 2024
35
Publications
27
MIPS score, 2024
89
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

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Dr. Christine Muthoni Ngaruiya is an emergency medicine physician in Stanford, California

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

Dr. Ngaruiya's NPI, 1316265986, was assigned on May 6, 2010. Dr. Ngaruiya graduated from UNMC in 2010. Dr. Ngaruiya holds California license C192964.

NPI and contact details
Medicare PAC ID
3375777642
NPI enumeration date
May 6, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(650) 723-4000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
42
Medical school graduation
2010

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

Dr. Christine Muthoni Ngaruiya practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California

Dr. Ngaruiya'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 Muthoni Ngaruiya is affiliated with 2 sites of care and 3 medical groups

Dr. Ngaruiya'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. Ngaruiya to 1 more hospital and 2 medical groups, each named with a free account. Dr. Ngaruiya's employer is on file too: a hospital.

See all 5 affiliations for Dr. Ngaruiya

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

Dmand AI tracks the EHR system at Dr. Christine Muthoni Ngaruiya's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ngaruiya 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 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Christine Muthoni Ngaruiya is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Ngaruiya's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Ngaruiya is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Ngaruiya's licenses on file in 3 states: California, Connecticut and North Carolina.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense C192964 · 2024 to 2026 · taxonomy 207P00000X
  • Connecticut license2013 to 2023
  • North Carolina license2010 to 2013

Emergency medicine physicians near Dr. Ngaruiya

Counts of emergency medicine physicians 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 Muthoni Ngaruiya billed Medicare for 142 services in 2024

CMS data shows 142 Medicare services from Dr. Ngaruiya across 3 procedure codes in 2024, for 159 Medicare patients. Medicare paid $20,899 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024142
Medicare patients159
Paid by Medicare$20,899
Procedure codes3

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

  • 2023
  • 2024
Office and hospital visits
2023: 592024: 142141%

Dr. Ngaruiya compared with the California median for emergency medicine physicians, 2024

  • Dr. Ngaruiya
  • California median
Medicare services
142vs 26546% below
Medicare patients
159vs 24335% below

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Ngaruiya'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. Ngaruiya

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

Dr. Christine Muthoni Ngaruiya treated 159 Medicare patients in 2024, average age 74

CMS counts 159 Medicare patients who saw Dr. Ngaruiya in 2024. The largest group is 65 to 74, with 60 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 44% are also on Medicaid. Their average risk score is 2.38, 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. Ngaruiya's median patient age at 48, with 60% women.

Medicare patients, 2024159
Average age74
Average risk score2.38
Also on Medicaid44%

Dr. Ngaruiya's Medicare patients by age, 2024

Dr. Ngaruiya's Medicare patients by sex, 2024

  • Women9459%
  • Men6541%

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

  1. High blood pressure75%
  2. High cholesterol72%
  3. Arthritis43%
  4. Diabetes40%
  5. Chronic kidney disease38%
  6. Ischemic heart disease37%
  7. Mood disorders36%
  8. Heart failure34%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ngaruiya's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 48

Patient panel by sex, all payers

  • Women60%
  • Men39%

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

Dr. Christine Muthoni Ngaruiya wrote 35 Medicare Part D claims in 2024

In 2024, Dr. Ngaruiya wrote 35 Medicare Part D claims for 27 patients. 91% of them were for generic drugs.

Part D claims, 202435
Part D patients27

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

  • Generic32 claims91%
  • Brand-name and other3 claims9%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Christine Muthoni Ngaruiya 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. Ngaruiya for performance year 2024, reported as part of a group. Dr. Ngaruiya accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Ngaruiya'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

For MedTech and pharma teams

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Dr. Christine Muthoni Ngaruiya has 27 publications on record

Dmand AI links 27 papers to Dr. Ngaruiya, published from 2012 to 2024. 2021 was the busiest year, with 5. The most frequent topics are Kenya, Noncommunicable Diseases and Diabetes Mellitus. Dr. Ngaruiya has published most often in BMC Public Health. Dr. Ngaruiya's most frequent co-authors are Tracy Lyn Rabin, MD, Jonathan Meldrum, MD and John Bartlett.

Papers27
Years published2012 to 2024

Dr. Ngaruiya's papers by year, 2012 to 2024

Topics Dr. Ngaruiya writes about most

  • Kenya
  • Noncommunicable Diseases
  • Diabetes Mellitus
  • Emergency Service, Hospital
  • Hypertension
  • Uganda
  • Delivery of Health Care
  • Developing Countries

Dr. Ngaruiya's most frequent co-authors

Recent publications by Dr. Ngaruiya

See all 27 publications and co-authors

See who Dr. Ngaruiya researches with

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

How network discovery works

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

Dr. Christine Muthoni Ngaruiya graduated from UNMC

Dr. Ngaruiya graduated from UNMC in 2010. Dr. Ngaruiya is a member of ACEP.

  1. Medical schoolUNMC
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. Christine Muthoni Ngaruiya accepts plans from 3 insurance carriers

Dr. Ngaruiya is in network with 3 carriers, including CMS Medicare, GA State Medicaid and RI State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • CMS Medicare
  • GA State Medicaid
  • RI State Medicaid

Plan types Dr. Ngaruiya accepts, by number of carriers

  1. Medicaid2
  2. Medicare1

Source: Dmand AI Insurance Network Data

Sources for Dr. Christine Muthoni Ngaruiya'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 (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
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 Muthoni Ngaruiya

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 Muthoni Ngaruiya's NPI number?

Dr. Christine Muthoni Ngaruiya's NPI number is 1316265986. It was assigned on May 6, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Christine Muthoni Ngaruiya?

Dr. Christine Muthoni Ngaruiya is an emergency medicine physician in Stanford, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Christine Muthoni Ngaruiya practice?

Dr. Ngaruiya practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Ngaruiya's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Ngaruiya to 1 hospital and 2 medical groups.

What is Dr. Christine Muthoni Ngaruiya's office phone number?

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

What is Dr. Christine Muthoni Ngaruiya's medical license number?

Dr. Ngaruiya holds California license C192964, one of the licenses on file in 3 states.

Which states has Dr. Christine Muthoni Ngaruiya been licensed in?

Dmand AI has state licenses on file for Dr. Ngaruiya in California (2024 to 2026), Connecticut (2013 to 2023) and North Carolina (2010 to 2013).

Which hospitals is Dr. Christine Muthoni Ngaruiya affiliated with?

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

What medical group is Dr. Christine Muthoni Ngaruiya part of?

Dr. Ngaruiya is linked to Stanford Health Care. Dmand AI links Dr. Ngaruiya to 2 more medical groups.

Does Dr. Christine Muthoni Ngaruiya accept Medicare?

Yes. CMS data shows Dr. Ngaruiya billed Medicare for 142 services in 2024, and Dr. Ngaruiya accepts Medicare assignment.

What is Dr. Christine Muthoni Ngaruiya's MIPS score?

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

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Christine Muthoni Ngaruiya see?

CMS counts 159 Medicare patients who saw Dr. Ngaruiya in 2024, with an average age of 74.

Is Dr. Christine Muthoni Ngaruiya board certified?

Yes. Dr. Ngaruiya is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Dr. Christine Muthoni Ngaruiya bill to Medicare?

In 2024, Dr. Ngaruiya's most billed Medicare services were emergency department visit (99285), critical care (99291) and emergency department visit (99284).

Where did Dr. Christine Muthoni Ngaruiya go to medical school?

Dr. Ngaruiya graduated from UNMC in 2010.

How long has Dr. Christine Muthoni Ngaruiya been practicing?

Dr. Ngaruiya graduated from medical school in 2010, 16 years ago.

Does Dr. Christine Muthoni Ngaruiya do research?

Dmand AI links 27 publications to Dr. Ngaruiya, published from 2012 to 2024.

Who does Dr. Christine Muthoni Ngaruiya publish with?

Dr. Ngaruiya's most frequent co-authors are Tracy Lyn Rabin, MD (3 shared papers), Jonathan Meldrum, MD (2 shared papers) and John Bartlett (1 shared paper).

What insurance does Dr. Christine Muthoni Ngaruiya accept?

Dr. Ngaruiya is in network with 3 carriers, including CMS Medicare, GA State Medicaid and RI State Medicaid. Medicaid plans come from the most carriers, 2. Check the plan with the practice before a visit.

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