Dr. Maria Guadalupe Juarez-Reyes, MD, PhD

  • Stanford, CA
  • Internist
NPI1790749877PAC ID9638227218
Medicare services, 2024
441
Medicare patients, 2024
190
Part D claims, 2024
1,175
Publications
9
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 5 affiliations

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Dr. Maria Guadalupe Juarez-Reyes is an internist in Stanford, California

Dr. Juarez-Reyes practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Dr. Juarez-Reyes' NPI, 1790749877, was assigned on April 14, 2006. Dr. Juarez-Reyes graduated from UCSF School of Medicine in 1997. Dr. Juarez-Reyes holds California license A72395.

NPI and contact details
Medicare PAC ID
9638227218
NPI enumeration date
April 14, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(650) 723-4000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
55
Medical school graduation
1997

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

Dr. Maria Guadalupe Juarez-Reyes practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California

Dr. Juarez-Reyes' 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. Maria Guadalupe Juarez-Reyes is affiliated with 4 sites of care and 1 medical group

Dr. Juarez-Reyes' primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dr. Juarez-Reyes is also affiliated with Stanford Health Care Tri-Valley. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Juarez-Reyes to 1 more hospital and 1 home health agency, each named with a free account. Dr. Juarez-Reyes' employer is on file too: a hospital.

See all 5 affiliations for Dr. Juarez-Reyes

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

Dmand AI tracks the EHR system at Dr. Maria Guadalupe Juarez-Reyes' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Juarez-Reyes practices, 4 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
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Maria Guadalupe Juarez-Reyes is one of 16,751 internists in California

Internal medicine is Dr. Juarez-Reyes' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Juarez-Reyes is board certified in internal medicine by the American Board of Internal Medicine. Dr. Juarez-Reyes is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A72395 · 2000 to 2026 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acid reflux, aneurysm, anxiety, arteritis, atrial fibrillation and flutter, carpal tunnel syndrome, chronic anemia and chronic diabetes among the conditions Dr. Juarez-Reyes treats.

Internists near Dr. Juarez-Reyes

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. Maria Guadalupe Juarez-Reyes billed Medicare for 441 services in 2024

CMS data shows 441 Medicare services from Dr. Juarez-Reyes across 6 procedure codes in 2024, for 190 Medicare patients. Medicare paid $28,035 for them. Every service was in an office.

Medicare services, 2024441
Medicare patients190
Paid by Medicare$28,035
Procedure codes6

Dr. Juarez-Reyes' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2632024: 33226%
Other services
2023: 1282024: 10915%

Dr. Juarez-Reyes compared with the California median for internists, 2024

  • Dr. Juarez-Reyes
  • California median
Medicare services
441vs 36122% above
Medicare patients
190vs 15126% above
Part D claims
856vs 4212.0 times

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Juarez-Reyes' 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. Juarez-Reyes

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

Dr. Maria Guadalupe Juarez-Reyes treated 190 Medicare patients in 2024, average age 73

CMS counts 190 Medicare patients who saw Dr. Juarez-Reyes in 2024. The largest group is 65 to 74, with 99 patients. 72% of them have high cholesterol, and 54% have high blood pressure. 8% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Juarez-Reyes' median patient age at 57, with 68% women.

Medicare patients, 2024190
Average age73
Average risk score0.99
Also on Medicaid8%

Dr. Juarez-Reyes' Medicare patients by age, 2024

Dr. Juarez-Reyes' Medicare patients by sex, 2024

  • Women12566%
  • Men6534%

Chronic conditions among Dr. Juarez-Reyes' Medicare patients, 2024

  1. High cholesterol72%
  2. High blood pressure54%
  3. Arthritis33%
  4. Osteoporosis26%
  5. Anxiety20%
  6. Mood disorders20%
  7. Diabetes19%
  8. Ischemic heart disease19%

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

Dr. Juarez-Reyes' patients across all payers

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

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women68%
  • Men31%

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

Dr. Maria Guadalupe Juarez-Reyes wrote 1,175 Medicare Part D claims in 2024

In 2024, Dr. Juarez-Reyes wrote 1,175 Medicare Part D claims for 153 patients. 91% of them were for generic drugs. CMS names the drug for 856 of them, across 29 drugs with 11 or more claims each, at $68,957 in total drug cost. In 2023, CMS named 862 claims across 22 drugs.

Part D claims, 20241,175
Drugs named by CMS29
Total drug cost$68,957
Part D patients153

Dr. Juarez-Reyes' Part D claims by kind of drug, 2024

  • Generic1,072 claims91%
  • Brand-name103 claims9%

Dr. Juarez-Reyes' 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. Juarez-Reyes' Part D claims, 2024

  • Opioids1%12 of 1,175 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: 8622024: 8561%

Drugs named by CMS: 29 in 2024, 22 in 2023.

See all prescribing by Dr. Juarez-Reyes

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. Maria Guadalupe Juarez-Reyes offers telehealth to Medicare patients

Dr. Juarez-Reyes accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Juarez-Reyes as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Maria Guadalupe Juarez-Reyes has 9 publications on record

Dmand AI links 9 papers to Dr. Juarez-Reyes, published from 2016 to 2024. The most frequent topics are Antipsychotic Agents, Clozapine and Counseling. Dr. Juarez-Reyes has published most often in Arch Pediatr Adolesc Med. Dr. Juarez-Reyes' most frequent co-authors are Mary Susan Hansen, MD and Alexander Chyorny, MD.

Papers9
Years published2016 to 2024

Dr. Juarez-Reyes' papers by year, 2016 to 2024

Topics Dr. Juarez-Reyes writes about most

  • Antipsychotic Agents
  • Clozapine
  • Counseling
  • Eligibility Determination
  • Health Services Accessibility
  • Pediatrics
  • Schizophrenia
  • Schizophrenic Psychology

Dr. Juarez-Reyes' most frequent co-authors

Recent publications by Dr. Juarez-Reyes

See all 9 publications and co-authors

See who Dr. Juarez-Reyes researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Juarez-Reyes 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. Maria Guadalupe Juarez-Reyes has worked on 1 clinical trial

Dmand AI links Dr. Juarez-Reyes to 1 clinical trial. Conditions studied include Burnout, Psychological and Stress, Psychological.

Conditions in Dr. Juarez-Reyes' trials

  • Burnout, Psychological
  • Stress, Psychological

Recent clinical trials with Dr. Juarez-Reyes

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

Dr. Maria Guadalupe Juarez-Reyes received $777 in industry payments from 2016 to 2018

CMS Open Payments shows 11 general payments to Dr. Juarez-Reyes from 5 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $293.

General payments to Dr. Juarez-Reyes by program year, 2016 to 2018

General payments to Dr. Juarez-Reyes by kind, 2016 to 2018

$777in total
  • Food and beverage$76899%
  • Education$91%

Companies that paid Dr. Juarez-Reyes the most, 2016 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Juarez-Reyes

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Maria Guadalupe Juarez-Reyes graduated from UCSF School of Medicine

Dr. Juarez-Reyes graduated from UCSF School of Medicine in 1997. Dr. Juarez-Reyes is a member of ACP.

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

Source: Dmand AI Professional Profile Data

Dr. Maria Guadalupe Juarez-Reyes accepts plans from 7 insurance carriers

Dr. Juarez-Reyes is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • United Healthcare
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare

Plan types Dr. Juarez-Reyes accepts, by number of carriers

  1. Medicare4
  2. PPO4
  3. HMO3
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Maria Guadalupe Juarez-Reyes'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)
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)
Industry paymentsOpen Payments (CMS) (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. Maria Guadalupe Juarez-Reyes

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. Maria Guadalupe Juarez-Reyes' NPI number?

Dr. Maria Guadalupe Juarez-Reyes' NPI number is 1790749877. It was assigned on April 14, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Maria Guadalupe Juarez-Reyes?

Dr. Maria Guadalupe Juarez-Reyes is an internist in Stanford, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Maria Guadalupe Juarez-Reyes practice?

Dr. Juarez-Reyes practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Juarez-Reyes' primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Juarez-Reyes to 1 hospital and 1 home health agency.

What is Dr. Maria Guadalupe Juarez-Reyes' office phone number?

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

What is Dr. Maria Guadalupe Juarez-Reyes' medical license number?

Dr. Juarez-Reyes holds California license A72395.

Which hospitals is Dr. Maria Guadalupe Juarez-Reyes affiliated with?

Dr. Juarez-Reyes practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dr. Juarez-Reyes is also affiliated with Stanford Health Care Tri-Valley. Dmand AI links Dr. Juarez-Reyes to 1 more hospital.

What medical group is Dr. Maria Guadalupe Juarez-Reyes part of?

Dr. Juarez-Reyes is linked to Stanford Health Care.

Does Dr. Maria Guadalupe Juarez-Reyes accept Medicare?

Yes. CMS data shows Dr. Juarez-Reyes billed Medicare for 441 services in 2024, and Dr. Juarez-Reyes accepts Medicare assignment.

Does Dr. Maria Guadalupe Juarez-Reyes offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Juarez-Reyes as offering telehealth services.

How many Medicare patients does Dr. Maria Guadalupe Juarez-Reyes see?

CMS counts 190 Medicare patients who saw Dr. Juarez-Reyes in 2024, with an average age of 73.

Show 9 more questionsShow fewer questions

Is Dr. Maria Guadalupe Juarez-Reyes board certified?

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

What services does Dr. Maria Guadalupe Juarez-Reyes bill to Medicare?

In 2024, Dr. Juarez-Reyes' most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and medicare service (G0439).

Where did Dr. Maria Guadalupe Juarez-Reyes go to medical school?

Dr. Juarez-Reyes graduated from UCSF School of Medicine in 1997.

What drugs does Dr. Maria Guadalupe Juarez-Reyes prescribe most?

In 2024 Medicare Part D data, Dr. Juarez-Reyes' most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.

Has Dr. Maria Guadalupe Juarez-Reyes received payments from drug or device companies?

CMS Open Payments shows $777 in general payments to Dr. Juarez-Reyes from 5 companies from 2016 to 2018. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Maria Guadalupe Juarez-Reyes been practicing?

Dr. Juarez-Reyes graduated from medical school in 1997, 29 years ago.

Does Dr. Maria Guadalupe Juarez-Reyes do research?

Dmand AI links 9 publications to Dr. Juarez-Reyes, published from 2016 to 2024. Dr. Juarez-Reyes has worked on 1 clinical trial.

Who does Dr. Maria Guadalupe Juarez-Reyes publish with?

Dr. Juarez-Reyes' most frequent co-authors are Mary Susan Hansen, MD (2 shared papers) and Alexander Chyorny, MD (1 shared paper).

What insurance does Dr. Maria Guadalupe Juarez-Reyes accept?

Dr. Juarez-Reyes is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.

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