Rachel Emily Feder

  • Pleasanton, CA
  • Gastroenterologist
NPI1396130522PAC ID3072864735
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
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Mobile number
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Social profiles

Primary practice

Hacienda Surgery Center

Surgery Center - Medicare-Certified · Pleasanton, California

See all 5 affiliations

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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 and contact details
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
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Mobile number
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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 Center
    4626 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.

See all 5 affiliations for Rachel Feder

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.

EHR by site
SiteEHR vendor and product
Hacienda Surgery CenterAvailable with a free account
+3 more affiliated sitesAvailable 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, CaliforniaPrimaryLicense A171660 · 2021 to 2027 · taxonomy 207RG0100X
  • Washington license2018 to 2021
  • North Carolina license2015 to 2018

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.

Medicare services, 2024268
Medicare patients147
Paid by Medicare$32,712
Procedure codes9

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.

See all procedures by Rachel Feder

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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.

Medicare patients, 2024147
Average age72
Average risk score0.95
Also on Medicaid17%

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

  1. High cholesterol64%
  2. High blood pressure59%
  3. Arthritis36%
  4. Diabetes29%
  5. Osteoporosis26%
  6. Ischemic heart disease22%
  7. Chronic kidney disease20%
  8. 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.

Part D claims, 2024293
Drugs named by CMS4
Total drug cost$7,513
Part D patients136

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.

See all prescribing by Rachel Feder

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.

Papers4
Years published2013 to 2018

Rachel Feder's papers by year, 2013 to 2018

Rachel Feder's most frequent co-authors

Recent publications by Rachel Feder

See all 4 publications and co-authors

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.

How network discovery works

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.

See all payments to Rachel Feder

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

  1. 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.

  1. Medical schoolRenaissance School of Medicine at Stony Brook University
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of 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

  1. PPO7
  2. HMO6
  3. EPO4
  4. Medicare4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Rachel Emily Feder'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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 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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