Dr. Ryan Edward Derby, MD

  • Stanford, CA
  • Anesthesiologist
NPI1306055231PAC ID6800928532
Medicare services, 2023
15
Medicare patients, 2024
11
Part D claims, 2021
398
Publications
7
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

See all 8 affiliations

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Dr. Ryan Edward Derby is an anesthesiologist in Stanford, California

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

Dr. Derby's NPI, 1306055231, was assigned on May 21, 2007. Dr. Derby graduated from Spencer Fox Eccles School of Medicine in 2005. Dr. Derby's California license number on file is A121797.

NPI and contact details
Medicare PAC ID
6800928532
NPI enumeration date
May 21, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(650) 723-4000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
46
Medical school graduation
2005

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

Dr. Ryan Edward Derby practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California

Dr. Derby'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. Ryan Edward Derby is affiliated with 4 sites of care and 4 medical groups

Dr. Derby'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. Derby to 1 more hospital, 3 medical groups, 1 physician office and 1 group practice or clinic, each named with a free account. Dr. Derby's employer is on file too: a hospital.

See all 8 affiliations for Dr. Derby

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

Dmand AI tracks the EHR system at Dr. Ryan Edward Derby's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Derby 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 sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ryan Edward Derby is one of 6,593 anesthesiologists in California

Anesthesiology is Dr. Derby's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Derby is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Derby's licenses on file in 3 states: California, Washington and Missouri.

Specialties and state licenses

  • Anesthesiology, CaliforniaPrimaryLicense A121797 · 2012 to 2025 · taxonomy 207L00000X
  • Washington licenseLicense MD60213673 · 2011 to 2013
  • Missouri license2008 to 2012

Clinical focus

Dmand AI lists muscle pain, fibromyalgia, and limb pain among the conditions Dr. Derby treats.

Anesthesiologists near Dr. Derby

Counts of anesthesiologists 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. Ryan Edward Derby billed Medicare for 15 services in 2023

CMS data shows 15 Medicare services from Dr. Derby across 1 procedure code in 2023, all of them office visits, for 11 Medicare patients. Medicare paid $2,051 for them. Every service was in an office.

Medicare services, 202315
Medicare patients11
Paid by Medicare$2,051
Procedure codes1

Dr. Derby's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Office and hospital visits
2022: 122023: 1525%

Dr. Derby compared with the California median for anesthesiologists, 2023

  • Dr. Derby
  • California median
Medicare services
15vs 7279% below
Medicare patients
11vs 14392% below
Part D claims
398vs 2317.3 times

Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.

Dr. Derby's most billed Medicare procedure codes, 2023

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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

Dr. Ryan Edward Derby treated 11 Medicare patients in 2024, average age 70

CMS counts 11 Medicare patients who saw Dr. Derby in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 0.79, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Derby's median patient age at 56, with 67% women.

Medicare patients, 202411
Average age70
Average risk score0.79

Dr. Derby's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Derby's patients across all payers

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

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women67%
  • Men30%

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

Dr. Ryan Edward Derby wrote 398 Medicare Part D claims in 2021

In 2021, Dr. Derby wrote 398 Medicare Part D claims. They cover 13 drugs, with $21,574 in total drug cost. In 2020, CMS named 799 claims across 21 drugs.

Part D claims, 2021398
Drugs named by CMS13
Total drug cost$21,574

Dr. Derby's most prescribed drugs by claims, 2021

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, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 7992021: 39850%

Drugs named by CMS: 13 in 2021, 21 in 2020.

See all prescribing by Dr. Derby

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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

Accepts Medicare assignment
Yes

Dr. Derby'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

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Dr. Ryan Edward Derby has 7 publications on record

Dmand AI links 7 papers to Dr. Derby, published from 2013 to 2023. 2013 was the busiest year, with 2. The most frequent topics are Ultrasonography, Interventional, Nerve Block and Pain, Postoperative. Dr. Derby has published most often in Reg Anesth Pain Med. Dr. Derby's most frequent co-authors are Neil A. Hanson, MD, Matthew Spencer Abrahams, MD and Anuj Kailash Aggarwal, MD.

Papers7
Years published2013 to 2023

Topics Dr. Derby writes about most

  • Ultrasonography, Interventional
  • Nerve Block
  • Pain, Postoperative
  • Abdominal Muscles
  • Analgesics, Opioid
  • Double-Blind Method

Dr. Derby's most frequent co-authors

Recent publications by Dr. Derby

See all 7 publications and co-authors

See who Dr. Derby researches with

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

How network discovery works

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

Dr. Ryan Edward Derby received $72,399 in industry payments from 2016 to 2025

CMS Open Payments shows 65 general payments to Dr. Derby from 10 drug and device companies from 2016 to 2025. Device or supply loans make up the largest share, 75% of the total. AngioDynamics, Inc. paid the most, $54,500.

General payments to Dr. Derby by program year, 2016 to 2025

General payments to Dr. Derby by kind, 2016 to 2025

$72.4Kin total
  • Device or supply loans$54,50075%
  • Honoraria$6,2049%
  • Consulting fees$4,9407%
  • Travel and lodging$4,0336%
  • Food and beverage$2,7234%

Companies that paid Dr. Derby the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Derby

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

Dr. Ryan Edward Derby graduated from Spencer Fox Eccles School of Medicine

Dr. Derby graduated from Spencer Fox Eccles School of Medicine in 2005.

  1. Medical schoolSpencer Fox Eccles School of Medicine
  2. Board certified in anesthesiologyAmerican Board of Anesthesiology
  3. Board certified in pain medicineAmerican Board of Anesthesiology

Source: Dmand AI Professional Profile Data

Dr. Ryan Edward Derby accepts plans from 6 insurance carriers

Dr. Derby is in network with 6 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare

Plan types Dr. Derby accepts, by number of carriers

  1. Medicare6
  2. PPO5
  3. POS2
  4. HMO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Ryan Edward Derby'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)
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
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. Ryan Edward Derby

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. Ryan Edward Derby's NPI number?

Dr. Ryan Edward Derby's NPI number is 1306055231. It was assigned on May 21, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Ryan Edward Derby?

Dr. Ryan Edward Derby is an anesthesiologist in Stanford, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).

Where does Dr. Ryan Edward Derby practice?

Dr. Derby practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Derby's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Derby to 1 hospital, 3 medical groups, 1 physician office and 1 group practice or clinic.

What is Dr. Ryan Edward Derby's office phone number?

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

What is Dr. Ryan Edward Derby's medical license number?

Dr. Derby's California license number on file is A121797, one of the licenses on file in 3 states.

Which states has Dr. Ryan Edward Derby been licensed in?

Dmand AI has state licenses on file for Dr. Derby in California (2012 to 2025), Washington (2011 to 2013) and Missouri (2008 to 2012).

Which hospitals is Dr. Ryan Edward Derby affiliated with?

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

What medical group is Dr. Ryan Edward Derby part of?

Dr. Derby is linked to Stanford Health Care. Dmand AI links Dr. Derby to 3 more medical groups.

Does Dr. Ryan Edward Derby accept Medicare?

Yes. CMS data shows Dr. Derby billed Medicare for 15 services in 2023, and Dr. Derby accepts Medicare assignment.

What is Dr. Ryan Edward Derby's MIPS score?

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

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Ryan Edward Derby see?

CMS counts 11 Medicare patients who saw Dr. Derby in 2024, with an average age of 70.

Is Dr. Ryan Edward Derby board certified?

Yes. Dr. Derby is board certified in anesthesiology by the American Board of Anesthesiology.

What services does Dr. Ryan Edward Derby bill to Medicare?

In 2023, Dr. Derby's most billed Medicare services were office visit, new patient (99204).

Where did Dr. Ryan Edward Derby go to medical school?

Dr. Derby graduated from Spencer Fox Eccles School of Medicine in 2005.

What drugs does Dr. Ryan Edward Derby prescribe most?

In 2021 Medicare Part D data, Dr. Derby's most prescribed drugs by claims were Gabapentin, Pregabalin and Meloxicam.

Has Dr. Ryan Edward Derby received payments from drug or device companies?

CMS Open Payments shows $72,399 in general payments to Dr. Derby from 10 companies from 2016 to 2025. The largest total came from AngioDynamics, Inc.

How long has Dr. Ryan Edward Derby been practicing?

Dr. Derby graduated from medical school in 2005, 21 years ago.

Does Dr. Ryan Edward Derby do research?

Dmand AI links 7 publications to Dr. Derby, published from 2013 to 2023.

Who does Dr. Ryan Edward Derby publish with?

Dr. Derby's most frequent co-authors are Neil A. Hanson, MD (2 shared papers), Matthew Spencer Abrahams, MD (1 shared paper) and Anuj Kailash Aggarwal, MD (1 shared paper).

What insurance does Dr. Ryan Edward Derby accept?

Dr. Derby is in network with 6 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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