J Am Assoc Nurse Pract
Dr. Deborah Lynn Fretwell, MD
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Fretwell'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. 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
- 1669869806NPI Registry (opens in a new tab)
- 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
- 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)
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.
- Santa Clara Valley Medical Center751 South Bascom Avenue, San Jose, CA 95128 · Santa Clara CountyPhone(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.
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.
| Site | EHR vendor and product |
|---|---|
| Santa Clara Valley Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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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, CaliforniaPrimary
- Colorado license
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.
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.
Need commercial claims for Dr. Fretwell?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fretwell and other anesthesiologists in California.
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.
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
- High cholesterol75%
- High blood pressure71%
- Diabetes44%
- Mood disorders44%
- Chronic kidney disease38%
- Depression38%
- Ischemic heart disease37%
- 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.
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
- Joshua Paul Klopper, MD3 shared papers
- Sarah Scott Chisolm, MD1 shared paper
- Lorinda Susan Chung, MD1 shared paper
Recent publications by Dr. Fretwell
J Cardiothorac Vasc Anesth
J Clin Endocrinol Metab
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.
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.
- Medical school
- Board certified in 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
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors 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-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. 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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