Dr. Rachel Knight Hopper, MD
- Publications
- 45
- Hospital affiliations
- 1
- Industry payments
- $68
- Medical groups
- 2
- Insurance carriers
- 13
- Practice address
- 725 Welch Road, Palo Alto, CA 94304
- Practice phone
- Call (650) 497-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Hopper'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. Rachel Knight Hopper is a pediatric cardiology physician in Palo Alto, California
Dr. Hopper practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University.
Dr. Hopper's NPI, 1114193133, was assigned on April 30, 2008. Dr. Hopper graduated from University Of Michigan Medical School in 2007. Dr. Hopper holds California license A110573.
- NPI
- 1114193133NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931328986
- NPI enumeration date
- April 30, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 497-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rachel Knight Hopper practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California
Dr. Hopper's primary practice is Lucile Packard Children's Hospital Stanford, at 725 Welch Road, Palo Alto, CA 94304 in Santa Clara County. The practice phone is (650) 497-8000.
- Lucile Packard Children's Hospital Stanford725 Welch Road, Palo Alto, CA 94304 · Santa Clara CountyPhone(650) 497-8000
Source: Dmand AI Affiliation Data
Dr. Rachel Knight Hopper is affiliated with 1 site of care and 2 medical groups
Dr. Hopper's primary practice is Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Hopper to 1 more medical group, named with a free account. Dr. Hopper's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rachel Knight Hopper's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hopper practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lucile Packard Children's Hospital Stanford | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Stanford University and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Rachel Knight Hopper is one of 331 pediatric cardiology physicians in California
Pediatric cardiology is Dr. Hopper's primary specialty in the NPI Registry, under taxonomy code 2080P0202X. Dr. Hopper is board certified in pediatric cardiology by the American Board of Pediatrics. Dmand AI has Dr. Hopper's licenses on file in 8 states: California, Idaho, Nevada, Hawaii, Arizona, Oregon, Washington and Pennsylvania.
Specialties and state licenses
- Pediatric cardiology, CaliforniaPrimary
- Idaho license
- Nevada license
- Hawaii license
- Arizona license
- Oregon license
- Washington license
- Pennsylvania license
Pediatric cardiology physicians near Dr. Hopper
Counts of pediatric cardiology 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. Rachel Knight Hopper's patients have a median age of 3
Across all payers, Dmand AI patient panel data puts Dr. Hopper's median patient age at 3, with 45% women.
Dr. Hopper's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 3
Patient panel by sex, all payers
- Women45%
- Men55%
Source: Dmand AI Patient Panel Data
How Dr. Rachel Knight Hopper takes part in Medicare
Dr. Hopper 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)
Dr. Rachel Knight Hopper has 45 publications on record
Dmand AI links 45 papers to Dr. Hopper, published from 2013 to 2025. 2019 was the busiest year, with 8. The most frequent topics are Hypertension, Pulmonary, Pulmonary Arterial Hypertension and Bronchopulmonary Dysplasia. Dr. Hopper has published most often in J Pediatr. Dr. Hopper's most frequent co-authors are Jeffrey A. Feinstein, MD, Eric Austin, MD and Stephanie S. Handler, MD.
Dr. Hopper's papers by year, 2016 to 2025
Topics Dr. Hopper writes about most
- Hypertension, Pulmonary
- Pulmonary Arterial Hypertension
- Bronchopulmonary Dysplasia
- Echocardiography
- Epoprostenol
- Hernias, Diaphragmatic, Congenital
- Vasodilator Agents
- Antihypertensive Agents
Dr. Hopper's most frequent co-authors
- Jeffrey A. Feinstein, MD17 shared papers
- Eric Austin, MD11 shared papers
- Stephanie S. Handler, MD9 shared papers
Recent publications by Dr. Hopper
See who Dr. Hopper researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hopper works with, so you can find a warm path to the right pediatric cardiology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Rachel Knight Hopper received $68 in industry payments from 2016 to 2025
CMS Open Payments shows 6 general payments to Dr. Hopper from 2 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 89% of the total. Merck Sharp & Dohme Corporation paid the most, $61.
General payments to Dr. Hopper by program year, 2016 to 2025
General payments to Dr. Hopper by kind, 2016 to 2025
- Food and beverage$6189%
- Education$711%
Companies that paid Dr. Hopper the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rachel Knight Hopper graduated from University Of Michigan Medical School
Dr. Hopper graduated from University Of Michigan Medical School in 2007.
- Medical school
- Board certified in pediatric cardiology
Source: Dmand AI Professional Profile Data
Dr. Rachel Knight Hopper accepts plans from 13 insurance carriers
Dr. Hopper is in network with 13 carriers, including Aetna, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- +5 more carriersWith a free account
Plan types Dr. Hopper accepts, by number of carriers
- Medicare6
- PPO6
- Medicaid5
- HMO4
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Rachel Knight Hopper'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Rachel Knight Hopper
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. Rachel Knight Hopper's NPI number?
Dr. Rachel Knight Hopper's NPI number is 1114193133. It was assigned on April 30, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Rachel Knight Hopper?
Dr. Rachel Knight Hopper is a pediatric cardiology physician in Palo Alto, California. The primary specialty in the NPI Registry is Pediatric Cardiology Physician (taxonomy code 2080P0202X).
Where does Dr. Rachel Knight Hopper practice?
Dr. Hopper practices at 725 Welch Road, Palo Alto, CA 94304. Dr. Hopper's primary practice is Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University. Dmand AI also links Dr. Hopper to 1 medical group.
What is Dr. Rachel Knight Hopper's office phone number?
The practice phone on file for Dr. Hopper is (650) 497-8000.
What is Dr. Rachel Knight Hopper's medical license number?
Dr. Hopper holds California license A110573, one of the licenses on file in 8 states.
Which states has Dr. Rachel Knight Hopper been licensed in?
Dmand AI has state licenses on file for Dr. Hopper in California (2010 to 2027), Idaho (2023 to 2027), Nevada (2023 to 2027), Hawaii (2023 to 2026), Arizona (2023 to 2025), Oregon (2023 to 2025), Washington (2023 to 2025) and Pennsylvania (2014 to 2018).
Which hospitals is Dr. Rachel Knight Hopper affiliated with?
Dr. Hopper practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California.
What medical group is Dr. Rachel Knight Hopper part of?
Dr. Hopper is linked to Stanford Health Care. Dmand AI links Dr. Hopper to 1 more medical group.
Does Dr. Rachel Knight Hopper accept Medicare?
Yes. CMS lists Dr. Hopper as accepting Medicare assignment.
Is Dr. Rachel Knight Hopper board certified?
Yes. Dr. Hopper is board certified in pediatric cardiology by the American Board of Pediatrics.
Show 6 more questionsShow fewer questions
Where did Dr. Rachel Knight Hopper go to medical school?
Dr. Hopper graduated from University Of Michigan Medical School in 2007.
Has Dr. Rachel Knight Hopper received payments from drug or device companies?
CMS Open Payments shows $68 in general payments to Dr. Hopper from 2 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Rachel Knight Hopper been practicing?
Dr. Hopper graduated from medical school in 2007, 19 years ago.
Does Dr. Rachel Knight Hopper do research?
Dmand AI links 45 publications to Dr. Hopper, published from 2013 to 2025.
Who does Dr. Rachel Knight Hopper publish with?
Dr. Hopper's most frequent co-authors are Jeffrey A. Feinstein, MD (17 shared papers), Eric Austin, MD (11 shared papers) and Stephanie S. Handler, MD (9 shared papers).
What insurance does Dr. Rachel Knight Hopper accept?
Dr. Hopper is in network with 13 carriers, including Aetna, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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