Dr. Wynnis L. Tom, MD

  • San Diego, CA
  • Pediatric dermatology physician
NPI1922215045PAC ID3375602329
Medicare services, 2024
370
Medicare patients, 2024
107
Part D claims, 2024
461
Publications
35
MIPS score, 2024
91
Practice address
3020 Childrens Way, San Diego, CA 92123
Practice phone
Call (858) 576-1700
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Rady Children's Hospital San Diego

Hospital · San Diego, California

See all 9 affiliations

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Dr. Wynnis L. Tom is a pediatric dermatology physician in San Diego, California

Dr. Tom practices at Rady Children's Hospital San Diego in San Diego, California, part of Rady Children's Health.

Dr. Tom's NPI, 1922215045, was assigned on May 17, 2007. Dr. Tom graduated from UC San Diego School of Medicine in 2003. Dr. Tom holds California license A99290.

NPI and contact details
Medicare PAC ID
3375602329
NPI enumeration date
May 17, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(858) 576-1700
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
49
Medical school graduation
2003

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

Dr. Wynnis L. Tom practices at Rady Children's Hospital San Diego in San Diego, California

Dr. Tom's primary practice is Rady Children's Hospital San Diego, at 3020 Childrens Way, San Diego, CA 92123 in San Diego County. The practice phone is (858) 576-1700.

Source: Dmand AI Affiliation Data

Dr. Wynnis L. Tom is affiliated with 6 sites of care and 3 medical groups

Dr. Tom's primary practice is Rady Children's Hospital San Diego in San Diego, California, part of Rady Children's Health. Dr. Tom is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health. Dmand AI also links Dr. Tom to 3 more group practices and clinics, 2 medical groups and 1 therapy and rehab clinic, each named with a free account.

See all 9 affiliations for Dr. Tom

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

Dmand AI tracks the EHR system at Dr. Wynnis L. Tom's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tom practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Rady Children's Hospital San DiegoAvailable with a free account
+5 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Wynnis L. Tom is one of 35 pediatric dermatology physicians in California

Pediatric dermatology is Dr. Tom's primary specialty in the NPI Registry, under taxonomy code 207NP0225X. Dr. Tom is board certified in dermatology by the American Board of Dermatology. Dr. Tom is licensed in California.

Specialties and state licenses

  • Pediatric dermatology, CaliforniaPrimaryLicense A99290 · 2007 to 2027 · taxonomy 207NP0225X

Clinical focus

Dmand AI lists acne, benign or precancerous skin growths, contact dermatitis, psoriasis, scalp rash, skin cyst, skin discoloration and yeast infection among the conditions Dr. Tom treats.

Pediatric dermatology physicians near Dr. Tom

Counts of pediatric dermatology physicians 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. Wynnis L. Tom billed Medicare for 370 services in 2024

CMS data shows 370 Medicare services from Dr. Tom across 7 procedure codes in 2024, for 107 Medicare patients. Medicare paid $12,124 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024370
Medicare patients107
Paid by Medicare$12,124
Procedure codes7

Dr. Tom's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 2452024: 2364%
Office and hospital visits
2023: 1172024: 13415%

Dr. Tom compared with the California median for pediatric dermatology physicians, 2024

  • Dr. Tom
  • California median
Medicare services
370vs 370Close to median
Medicare patients
107vs 107Close to median
Part D claims
313vs 605.2 times

Medians across 18 pediatric dermatology physicians in California with Dmand AI profiles that report each measure.

Dr. Tom'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 Dr. Tom

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

Dr. Wynnis L. Tom treated 107 Medicare patients in 2024, average age 71

CMS counts 107 Medicare patients who saw Dr. Tom in 2024. The largest group is 65 to 74, with 49 patients. 70% of them have high cholesterol, and 66% have high blood pressure. 28% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Tom's median patient age at 15, with 48% women.

Medicare patients, 2024107
Average age71
Average risk score1.46
Also on Medicaid28%

Dr. Tom's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Tom's Medicare patients by sex, 2024

  • Women5047%
  • Men5753%

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

  1. High cholesterol70%
  2. High blood pressure66%
  3. Arthritis48%
  4. Mood disorders31%
  5. Depression29%
  6. Anxiety22%
  7. Ischemic heart disease22%
  8. Diabetes21%

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

Dr. Tom's patients across all payers

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

Patient panel by age, all payers

Median age 15

Patient panel by sex, all payers

  • Women48%
  • Men51%

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

Dr. Wynnis L. Tom wrote 461 Medicare Part D claims in 2024

In 2024, Dr. Tom wrote 461 Medicare Part D claims for 85 patients. 82% of them were for generic drugs. CMS names the drug for 313 of them, across 10 drugs with 11 or more claims each, at $233,845 in total drug cost. In 2023, CMS named 173 claims across 7 drugs.

Part D claims, 2024461
Drugs named by CMS10
Total drug cost$233,845
Part D patients85

Dr. Tom's Part D claims by kind of drug, 2024

  • Generic376 claims82%
  • Brand-name85 claims18%

Dr. Tom'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.

Drug classes CMS tracks in Dr. Tom's Part D claims, 2024

  • Antibiotics3%14 of 461 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1732024: 31381%

Drugs named by CMS: 10 in 2024, 7 in 2023.

See all prescribing by Dr. Tom

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

Dr. Wynnis L. Tom scored 91 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Tom for performance year 2024, reported as part of a group. Dr. Tom accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 113 procedures of removal of skin lesions by Dr. Tom, more than 76% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Tom's MIPS scores, performance year 2024

  • 91of 100Final score
  • 84.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Tom ranks in Medicare procedure volume

Removal of skin lesions
76th percentile113 procedures
Skin biopsy
60th percentile12 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

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Dr. Wynnis L. Tom has 35 publications on record

Dmand AI links 35 papers to Dr. Tom, published from 2011 to 2025. 2024 was the busiest year, with 6. The most frequent topics are Dermatitis, Atopic, Psoriasis and Consensus. Dr. Tom has published most often in Pediatr Dermatol. Dr. Tom's most frequent co-authors are Kelly M. Cordoro, Lawrence F. Eichenfield, MD and Adelaide A. Hebert, MD.

Papers35
Years published2011 to 2025

Dr. Tom's papers by year, 2014 to 2025

Topics Dr. Tom writes about most

  • Dermatitis, Atopic
  • Psoriasis
  • Consensus
  • Boron Compounds
  • Methotrexate
  • Ointments
  • Bridged Bicyclo Compounds, Heterocyclic
  • Dermatologic Agents

Dr. Tom's most frequent co-authors

Recent publications by Dr. Tom

See all 35 publications and co-authors

See who Dr. Tom researches with

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

How network discovery works

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

Dr. Wynnis L. Tom received $37,750 in industry payments from 2016 to 2025

CMS Open Payments shows 89 general payments to Dr. Tom from 18 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 72% of the total. Pfizer Inc. paid the most, $26,094. It also lists 6 research payments totaling $8,940 from 2020 to 2022.

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

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

$37.7Kin total
  • Speaker and faculty fees$27,00072%
  • Consulting fees$8,60523%
  • Food and beverage$1,8545%
  • Travel and lodging$2911%

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

Share is of all general payments to this clinician.

See all payments to Dr. Tom

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

Dr. Wynnis L. Tom graduated from UC San Diego School of Medicine

Dr. Tom graduated from UC San Diego School of Medicine in 2003.

  1. Medical schoolUC San Diego School of Medicine
  2. Board certified in dermatologyAmerican Board of Dermatology
  3. Board certified in pediatric dermatologyAmerican Board of Dermatology

Source: Dmand AI Professional Profile Data

Dr. Wynnis L. Tom accepts plans from 15 insurance carriers

Dr. Tom is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Molina
  • Regence Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Tom accepts, by number of carriers

  1. PPO10
  2. Medicare8
  3. HMO7
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Wynnis L. Tom'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)Clinician Public Reporting: Overall MIPS Performance (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)
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. Wynnis L. Tom

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. Wynnis L. Tom's NPI number?

Dr. Wynnis L. Tom's NPI number is 1922215045. It was assigned on May 17, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Wynnis L. Tom?

Dr. Wynnis L. Tom is a pediatric dermatology physician in San Diego, California. The primary specialty in the NPI Registry is Pediatric Dermatology Physician (taxonomy code 207NP0225X).

Where does Dr. Wynnis L. Tom practice?

Dr. Tom practices at 3020 Childrens Way, San Diego, CA 92123. Dr. Tom's primary practice is Rady Children's Hospital San Diego in San Diego, California, part of Rady Children's Health. Dmand AI also links Dr. Tom to 3 group practices and clinics, 2 medical groups and 1 therapy and rehab clinic.

What is Dr. Wynnis L. Tom's office phone number?

The practice phone on file for Dr. Tom is (858) 576-1700.

What is Dr. Wynnis L. Tom's medical license number?

Dr. Tom holds California license A99290.

Which hospitals is Dr. Wynnis L. Tom affiliated with?

Dr. Tom practices at Rady Children's Hospital San Diego in San Diego, California. Dr. Tom is also affiliated with Hillcrest Medical Center.

What medical group is Dr. Wynnis L. Tom part of?

Dr. Tom is linked to UC San Diego Health. Dmand AI links Dr. Tom to 2 more medical groups.

Does Dr. Wynnis L. Tom accept Medicare?

Yes. CMS data shows Dr. Tom billed Medicare for 370 services in 2024, and Dr. Tom accepts Medicare assignment.

What is Dr. Wynnis L. Tom's MIPS score?

Dr. Tom's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.

How many Medicare patients does Dr. Wynnis L. Tom see?

CMS counts 107 Medicare patients who saw Dr. Tom in 2024, with an average age of 71.

Show 9 more questionsShow fewer questions

Is Dr. Wynnis L. Tom board certified?

Yes. Dr. Tom is board certified in dermatology by the American Board of Dermatology.

What services does Dr. Wynnis L. Tom bill to Medicare?

In 2024, Dr. Tom's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99214) and surgery: skin and soft tissue (17000).

Where did Dr. Wynnis L. Tom go to medical school?

Dr. Tom graduated from UC San Diego School of Medicine in 2003.

What drugs does Dr. Wynnis L. Tom prescribe most?

In 2024 Medicare Part D data, Dr. Tom's most prescribed drugs by claims were Ketoconazole, Triamcinolone Acetonide and Dupixent Pen.

Has Dr. Wynnis L. Tom received payments from drug or device companies?

CMS Open Payments shows $37,750 in general payments to Dr. Tom from 18 companies from 2016 to 2025. The largest total came from Pfizer Inc.

How long has Dr. Wynnis L. Tom been practicing?

Dr. Tom graduated from medical school in 2003, 23 years ago.

Does Dr. Wynnis L. Tom do research?

Dmand AI links 35 publications to Dr. Tom, published from 2011 to 2025.

Who does Dr. Wynnis L. Tom publish with?

Dr. Tom's most frequent co-authors are Kelly M. Cordoro (8 shared papers), Lawrence F. Eichenfield, MD (6 shared papers) and Adelaide A. Hebert, MD (4 shared papers).

What insurance does Dr. Wynnis L. Tom accept?

Dr. Tom is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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