Rachel Emily Feder
- Medicare services, 2024
- 268
- Medicare patients, 2024
- 147
- Part D claims, 2024
- 293
- Publications
- 4
- Hospital affiliations
- 2
- Practice address
- 4626 Willow Road, Suite 100, Pleasanton, CA 94588
- Practice phone
- Call (925) 227-1315
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hacienda Surgery Center
Surgery Center - Medicare-Certified · Pleasanton, California
Find Rachel Feder'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.
Rachel Emily Feder is a gastroenterologist in Pleasanton, California
Rachel Feder practices at Hacienda Surgery Center in Pleasanton, California.
Rachel Feder's NPI, 1396130522, was assigned on April 3, 2015. Rachel Feder graduated from Renaissance School of Medicine at Stony Brook University in 2015. Rachel Feder holds California license A171660.
- NPI
- 1396130522NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072864735
- NPI enumeration date
- April 3, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (925) 227-1315
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Rachel Emily Feder practices at Hacienda Surgery Center in Pleasanton, California
Rachel Feder's primary practice is Hacienda Surgery Center, at 4626 Willow Road, Suite 100, Pleasanton, CA 94588. The practice phone is (925) 227-1315.
- Hacienda Surgery Center4626 Willow Road, Suite 100, Pleasanton, CA 94588Phone(925) 227-1315
Source: Dmand AI Affiliation Data
Rachel Emily Feder is affiliated with 4 sites of care and 1 medical group
Rachel Feder's primary practice is Hacienda Surgery Center in Pleasanton, California. Rachel Feder is also affiliated with Sutter Eden Medical Center. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Rachel Feder to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Rachel Emily Feder's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Rachel Feder practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hacienda Surgery Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Rachel Emily Feder is one of 1,977 gastroenterologists in California
Gastroenterology is Rachel Feder's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Rachel Feder is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Rachel Feder's licenses on file in 3 states: California, Washington and North Carolina.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
- Washington license
- North Carolina license
Clinical focus
Dmand AI lists acid reflux, chronic inflammatory bowel disease (IBD), colonoscopy, gastroenteritis and upper GI endoscopy among the conditions Rachel Feder treats.
Gastroenterologists near Rachel Feder
Counts of gastroenterologists 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
Rachel Emily Feder billed Medicare for 268 services in 2024
CMS data shows 268 Medicare services from Rachel Feder across 9 procedure codes in 2024, for 147 Medicare patients. Medicare paid $32,712 for them.
Rachel Feder's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 962024: 13339%
- Office and hospital visits
- 2023: 722024: 8924%
- Other services
- 2023: 232024: 46100%
Where Rachel Feder's Medicare services took place, 2024
- In an office9636%
- In a facility17264%
Rachel Feder compared with the California median for gastroenterologists, 2024
- Rachel Feder
- California median
- Medicare services
- 268vs 58654% below
- Medicare patients
- 147vs 30251% below
- Part D claims
- 203vs 38047% below
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Rachel Feder'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.
Need commercial claims for Rachel Feder?
Medicare shows one payer. Book a meeting to get commercial claims data for Rachel Feder and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Rachel Emily Feder treated 147 Medicare patients in 2024, average age 72
CMS counts 147 Medicare patients who saw Rachel Feder in 2024. The largest group is 65 to 74, with 87 patients. 64% of them have high cholesterol, and 59% have high blood pressure. 17% are also on Medicaid. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Rachel Feder's median patient age at 52, with 54% women.
Rachel Feder's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Rachel Feder's Medicare patients by sex, 2024
- Women9565%
- Men5235%
Chronic conditions among Rachel Feder's Medicare patients, 2024
- High cholesterol64%
- High blood pressure59%
- Arthritis36%
- Diabetes29%
- Osteoporosis26%
- Ischemic heart disease22%
- Chronic kidney disease20%
- Anxiety17%
Share of Medicare patients with each condition. A patient can have several.
Rachel Feder's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women54%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Rachel Emily Feder wrote 293 Medicare Part D claims in 2024
In 2024, Rachel Feder wrote 293 Medicare Part D claims for 136 patients. 85% of them were for generic drugs. CMS names the drug for 203 of them, across 4 drugs with 11 or more claims each, at $7,513 in total drug cost. In 2023, CMS named 152 claims across 5 drugs.
Rachel Feder's Part D claims by kind of drug, 2024
- Generic250 claims85%
- Brand-name43 claims15%
Rachel Feder'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1522024: 20334%
Drugs named by CMS: 4 in 2024, 5 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
Rachel Emily Feder ranks in the 51st percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Rachel Feder accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Rachel Feder as offering telehealth. CMS counts 21 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Rachel Feder, more than 51% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Rachel Feder ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 51st percentile21 procedures
- Colonoscopy
- 46th percentile17 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Rachel Emily Feder has 4 publications on record
Dmand AI links 4 papers to Rachel Feder, published from 2013 to 2018. 2017 was the busiest year, with 2. Rachel Feder's most frequent co-authors are Katherine Schuver Garman, MD, Niroshana Anandasabapathy, MD, PhD and Shai R. Posner, MD.
Rachel Feder's papers by year, 2013 to 2018
Rachel Feder's most frequent co-authors
- Katherine Schuver Garman, MD2 shared papers
- Niroshana Anandasabapathy, MD, PhD1 shared paper
- Shai R. Posner, MD1 shared paper
Recent publications by Rachel Feder
J Invest Dermatol
See who Rachel Feder researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Rachel Feder works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Rachel Emily Feder received $191 in industry payments from 2018 to 2025
CMS Open Payments shows 5 general payments to Rachel Feder from 4 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $105.
General payments to Rachel Feder by program year, 2018 to 2025
Companies that paid Rachel Feder the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Rachel Emily Feder has 1 award and honors on record
Dmand AI lists 1 award for Rachel Feder.
Awards and honors for Rachel Feder
- Undated
- AOA Inductee 2011
Source: Dmand AI Professional Profile Data
Rachel Emily Feder graduated from Renaissance School of Medicine at Stony Brook University
Rachel Feder graduated from Renaissance School of Medicine at Stony Brook University in 2015.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Rachel Emily Feder accepts plans from 11 insurance carriers
Rachel Feder is in network with 11 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- +3 more carriersWith a free account
Plan types Rachel Feder accepts, by number of carriers
- PPO7
- HMO6
- EPO4
- Medicare4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Rachel Emily Feder'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)Doctors and Clinicians Utilization Data (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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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 Rachel Emily Feder
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Rachel Emily Feder's NPI number?
Rachel Emily Feder's NPI number is 1396130522. It was assigned on April 3, 2015, and it is active in the NPI Registry.
What does Rachel Emily Feder specialize in?
Rachel Emily Feder is a gastroenterologist in Pleasanton, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Rachel Emily Feder practice?
Rachel Feder practices at 4626 Willow Road, Suite 100, Pleasanton, CA 94588. Rachel Feder's primary practice is Hacienda Surgery Center in Pleasanton, California. Dmand AI also links Rachel Feder to 1 hospital and 1 group practice or clinic.
What is Rachel Emily Feder's office phone number?
The practice phone on file for Rachel Feder is (925) 227-1315.
What is Rachel Emily Feder's medical license number?
Rachel Feder holds California license A171660, one of the licenses on file in 3 states.
Which states has Rachel Emily Feder been licensed in?
Dmand AI has state licenses on file for Rachel Feder in California (2021 to 2027), Washington (2018 to 2021) and North Carolina (2015 to 2018).
Which hospitals is Rachel Emily Feder affiliated with?
Rachel Feder is affiliated with Sutter Eden Medical Center. Dmand AI links Rachel Feder to 1 more hospital.
What medical group is Rachel Emily Feder part of?
Rachel Feder is linked to Palo Alto Foundation Medical Group.
Does Rachel Emily Feder accept Medicare?
Yes. CMS data shows Rachel Feder billed Medicare for 268 services in 2024, and Rachel Feder accepts Medicare assignment.
Does Rachel Emily Feder offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Rachel Feder as offering telehealth services.
Show 10 more questionsShow fewer questions
How many Medicare patients does Rachel Emily Feder see?
CMS counts 147 Medicare patients who saw Rachel Feder in 2024, with an average age of 72.
Is Rachel Emily Feder board certified?
Yes. Rachel Feder is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Rachel Emily Feder bill to Medicare?
In 2024, Rachel Feder's most billed Medicare services were surgery: digestive system (45385), surgery: digestive system (45380) and office visit, established patient (99215).
Where did Rachel Emily Feder go to medical school?
Rachel Feder graduated from Renaissance School of Medicine at Stony Brook University in 2015.
What drugs does Rachel Emily Feder prescribe most?
In 2024 Medicare Part D data, Rachel Feder's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf, Pantoprazole Sodium and Omeprazole.
Has Rachel Emily Feder received payments from drug or device companies?
CMS Open Payments shows $191 in general payments to Rachel Feder from 4 companies from 2018 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Rachel Emily Feder been practicing?
Rachel Feder graduated from medical school in 2015, 11 years ago.
Does Rachel Emily Feder do research?
Dmand AI links 4 publications to Rachel Feder, published from 2013 to 2018.
Who does Rachel Emily Feder publish with?
Rachel Feder's most frequent co-authors are Katherine Schuver Garman, MD (2 shared papers), Niroshana Anandasabapathy, MD, PhD (1 shared paper) and Shai R. Posner, MD (1 shared paper).
What insurance does Rachel Emily Feder accept?
Rachel Feder is in network with 11 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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