Dr. Deborah Lynn Fretwell, MD

  • San Jose, CA
  • Anesthesiologist
NPI1669869806PAC ID9234462243
Medicare services, 2023
13
Medicare patients, 2024
52
Publications
7
MIPS score, 2024
61
Hospital affiliations
1
Practice address
751 South Bascom Avenue, San Jose, CA 95128
Practice phone
Call (408) 885-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Santa Clara Valley Medical Center

Hospital · San Jose, California

See all 3 affiliations

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Dr. Deborah Lynn Fretwell is an anesthesiologist in San Jose, California

Dr. Fretwell practices at Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA.

Dr. Fretwell's NPI, 1669869806, was assigned on April 24, 2015. Dr. Fretwell graduated from Stanford University School Of Medicine in 2015. Dr. Fretwell holds California license A146561.

NPI and contact details
Medicare PAC ID
9234462243
NPI enumeration date
April 24, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(408) 885-5000
Professional email
Get email
Personal email
Get email
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)

Dr. Deborah Lynn Fretwell practices at Santa Clara Valley Medical Center in San Jose, California

Dr. Fretwell's primary practice is Santa Clara Valley Medical Center, at 751 South Bascom Avenue, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 885-5000.

Source: Dmand AI Affiliation Data

Dr. Deborah Lynn Fretwell is affiliated with 2 sites of care and 1 medical group

Dr. Fretwell's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. The medical group on file is County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI also links Dr. Fretwell to 1 more community health center, named with a free account.

See all 3 affiliations for Dr. Fretwell

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

Dmand AI tracks the EHR system at Dr. Deborah Lynn Fretwell's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fretwell practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Santa Clara Valley Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across County of Santa Clara, CA and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Deborah Lynn Fretwell is one of 6,593 anesthesiologists in California

Anesthesiology is Dr. Fretwell's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Fretwell is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Fretwell's licenses on file in 2 states: California and Colorado.

Specialties and state licenses

  • Anesthesiology, CaliforniaPrimaryLicense A146561 · 2016 to 2026 · taxonomy 207L00000X
  • Colorado license2015 to 2018

Anesthesiologists near Dr. Fretwell

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. Deborah Lynn Fretwell billed Medicare for 13 services in 2023

CMS data shows 13 Medicare services from Dr. Fretwell across 1 procedure code in 2023, for 52 Medicare patients. Medicare paid $507 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202313
Medicare patients52
Paid by Medicare$507
Procedure codes1

Dr. Fretwell's Medicare services by type, 2019 to 2023

  • 2019
  • 2023
Surgery
2019: 152023: 1313%
Anesthesia
2019: 362023: 0100%

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

  • Dr. Fretwell
  • California median
Medicare services
13vs 7282% below
Medicare patients
52vs 14364% below

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

Dr. Fretwell'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.

See all procedures by Dr. Fretwell

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

Dr. Deborah Lynn Fretwell treated 52 Medicare patients in 2024, average age 68

CMS counts 52 Medicare patients who saw Dr. Fretwell in 2024. The largest group is 65 to 74, with 20 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 67% are also on Medicaid. Their average risk score is 3.10, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Fretwell's median patient age at 45, with 44% women.

Medicare patients, 202452
Average age68
Average risk score3.10
Also on Medicaid67%

Dr. Fretwell's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Fretwell's Medicare patients by sex, 2024

  • Women2548%
  • Men2752%

Chronic conditions among Dr. Fretwell's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure71%
  3. Diabetes44%
  4. Mood disorders44%
  5. Chronic kidney disease38%
  6. Depression38%
  7. Ischemic heart disease37%
  8. Anxiety33%

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

Dr. Fretwell's patients across all payers

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

Patient panel by age, all payers

Median age 45

Patient panel by sex, all payers

  • Women44%
  • Men56%

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

Dr. Deborah Lynn Fretwell scored 61 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 61 out of 100 for Dr. Fretwell for performance year 2024, reported as part of a group. Dr. Fretwell accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Fretwell's MIPS scores, performance year 2024

  • 61of 100Final score
  • 59.4of 100Quality
  • 0of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 71of 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. Deborah Lynn Fretwell has 7 publications on record

Dmand AI links 7 papers to Dr. Fretwell, published from 2010 to 2023. 2010 was the busiest year, with 2. The most frequent topics are Cell Survival, Contrast Media and Thyroid Neoplasms. Dr. Fretwell's most frequent co-authors are Joshua Paul Klopper, MD, Sarah Scott Chisolm, MD and Lorinda Susan Chung, MD.

Papers7
Years published2010 to 2023

Dr. Fretwell's papers by year, 2010 to 2023

Topics Dr. Fretwell writes about most

  • Cell Survival
  • Contrast Media
  • Thyroid Neoplasms

Dr. Fretwell's most frequent co-authors

Recent publications by Dr. Fretwell

See all 7 publications and co-authors

See who Dr. Fretwell researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fretwell 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. Deborah Lynn Fretwell graduated from Stanford University School Of Medicine

Dr. Fretwell graduated from Stanford University School Of Medicine in 2015.

  1. Medical schoolStanford University School Of Medicine
  2. Board certified in anesthesiologyAmerican Board of Anesthesiology

Source: Dmand AI Professional Profile Data

Dr. Deborah Lynn Fretwell accepts plans from 1 insurance carrier

Dr. Fretwell is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • CMS Medicare

Source: Dmand AI Insurance Network Data

Sources for Dr. Deborah Lynn Fretwell'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)
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
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. Deborah Lynn Fretwell

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. Deborah Lynn Fretwell's NPI number?

Dr. Deborah Lynn Fretwell's NPI number is 1669869806. It was assigned on April 24, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. Deborah Lynn Fretwell?

Dr. Deborah Lynn Fretwell is an anesthesiologist in San Jose, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).

Where does Dr. Deborah Lynn Fretwell practice?

Dr. Fretwell practices at 751 South Bascom Avenue, San Jose, CA 95128. Dr. Fretwell's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Dr. Fretwell to 1 community health center.

What is Dr. Deborah Lynn Fretwell's office phone number?

The practice phone on file for Dr. Fretwell is (408) 885-5000.

What is Dr. Deborah Lynn Fretwell's medical license number?

Dr. Fretwell holds California license A146561, one of the licenses on file in 2 states.

Which states has Dr. Deborah Lynn Fretwell been licensed in?

Dmand AI has state licenses on file for Dr. Fretwell in California (2016 to 2026) and Colorado (2015 to 2018).

Which hospitals is Dr. Deborah Lynn Fretwell affiliated with?

Dr. Fretwell practices at Santa Clara Valley Medical Center in San Jose, California.

What medical group is Dr. Deborah Lynn Fretwell part of?

Dr. Fretwell is linked to County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic.

Does Dr. Deborah Lynn Fretwell accept Medicare?

Yes. CMS data shows Dr. Fretwell billed Medicare for 13 services in 2023, and Dr. Fretwell accepts Medicare assignment.

What is Dr. Deborah Lynn Fretwell's MIPS score?

Dr. Fretwell's MIPS final score for performance year 2024 is 61 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Deborah Lynn Fretwell see?

CMS counts 52 Medicare patients who saw Dr. Fretwell in 2024, with an average age of 68.

Is Dr. Deborah Lynn Fretwell board certified?

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

What services does Dr. Deborah Lynn Fretwell bill to Medicare?

In 2023, Dr. Fretwell's most billed Medicare services were surgery: heart and blood vessels (36620).

Where did Dr. Deborah Lynn Fretwell go to medical school?

Dr. Fretwell graduated from Stanford University School Of Medicine in 2015.

How long has Dr. Deborah Lynn Fretwell been practicing?

Dr. Fretwell graduated from medical school in 2015, 11 years ago.

Does Dr. Deborah Lynn Fretwell do research?

Dmand AI links 7 publications to Dr. Fretwell, published from 2010 to 2023.

Who does Dr. Deborah Lynn Fretwell publish with?

Dr. Fretwell's most frequent co-authors are Joshua Paul Klopper, MD (3 shared papers), Sarah Scott Chisolm, MD (1 shared paper) and Lorinda Susan Chung, MD (1 shared paper).

What insurance does Dr. Deborah Lynn Fretwell accept?

Dr. Fretwell is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

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