Dr. Gary D. Wikholm, MD

  • Santa Paula, CA
  • Family medicine physician
NPI1861598526PAC ID9234231176
Medicare services, 2024
848
Medicare patients, 2024
184
Part D claims, 2024
8,876
Hospital affiliations
2
Industry payments
$171
Practice address
247 W Harvard Blvd, Santa Paula, CA 93060
Practice phone
Call (805) 525-0907
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Gary Wikholm M D a Professional Corporation

Santa Paula, California

See all 8 affiliations

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Dr. Gary D. Wikholm is a family medicine physician in Santa Paula, California

Dr. Wikholm practices at Gary Wikholm M D a Professional Corporation in Santa Paula, California.

Dr. Wikholm's NPI, 1861598526, was assigned on September 16, 2006. Dr. Wikholm graduated from Universidad Autonoma de Guadalajara in 1981. Dr. Wikholm holds California license A41000.

NPI and contact details
Medicare PAC ID
9234231176
NPI enumeration date
September 16, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(805) 525-0907
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
71
Medical school graduation
1981

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

Dr. Gary D. Wikholm practices at Gary Wikholm M D a Professional Corporation in Santa Paula, California

Dr. Wikholm's primary practice is Gary Wikholm M D a Professional Corporation, at 247 W Harvard Blvd, Santa Paula, CA 93060 in Ventura County. The practice phone is (805) 525-0907.

  • Gary Wikholm M D a Professional Corporation
    247 W Harvard Blvd, Santa Paula, CA 93060 · Ventura CountyPhone(805) 525-0907

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Gary D. Wikholm is affiliated with 6 sites of care and 2 medical groups

Dr. Wikholm's primary practice is Gary Wikholm M D a Professional Corporation in Santa Paula, California. Dr. Wikholm is also affiliated with Community Memorial Hospital - Ventura. The medical group on file is Ventura County Medical Center. Dmand AI also links Dr. Wikholm to 1 more hospital, 1 group practice or clinic, 1 hospice, 1 skilled nursing facility and 1 medical group, each named with a free account.

See all 8 affiliations for Dr. Wikholm

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Gary D. Wikholm's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wikholm practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Gary Wikholm M D a Professional CorporationAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gary D. Wikholm is one of 15,680 family medicine physicians in California

Family medicine is Dr. Wikholm's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Wikholm is board certified in family medicine by the American Board of Family Medicine. Dr. Wikholm is licensed in California.

Specialties and state licenses

  • Family medicine, CaliforniaPrimaryLicense A41000 · 1984 to 2027 · taxonomy 207Q00000X

Clinical focus

Dmand AI lists acute skin infection, alzheimer's disease, aneurysm, arteritis, arthritis, atrial fibrillation and flutter, cerebrovascular disease and chronic anemia among the conditions Dr. Wikholm treats.

Family medicine physicians near Dr. Wikholm

Counts of family medicine 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. Gary D. Wikholm billed Medicare for 848 services in 2024

CMS data shows 848 Medicare services from Dr. Wikholm across 4 procedure codes in 2024, for 184 Medicare patients. Medicare paid $76,300 for them. Every service was in an office.

Medicare services, 2024848
Medicare patients184
Paid by Medicare$76,300
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 8642024: 8166%
Other services
2023: 382024: 3216%

Dr. Wikholm compared with the California median for family medicine physicians, 2024

  • Dr. Wikholm
  • California median
Medicare services
848vs 2463.4 times
Medicare patients
184vs 11856% above
Part D claims
8,122vs 8339.8 times

Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Wikholm'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. Wikholm

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wikholm and other family medicine physicians in California.

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

Dr. Gary D. Wikholm treated 184 Medicare patients in 2024, average age 74

CMS counts 184 Medicare patients who saw Dr. Wikholm in 2024. The largest group is 65 to 74, with 71 patients. 75% of them have high blood pressure, and 55% have high cholesterol. 64% are also on Medicaid. Their average risk score is 2.04, 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. Wikholm's median patient age at 67, with 44% women.

Medicare patients, 2024184
Average age74
Average risk score2.04
Also on Medicaid64%

Dr. Wikholm's Medicare patients by age, 2024

Dr. Wikholm's Medicare patients by sex, 2024

  • Women7842%
  • Men10658%

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

  1. High blood pressure75%
  2. High cholesterol55%
  3. Mood disorders55%
  4. Arthritis48%
  5. Depression43%
  6. Diabetes41%
  7. Chronic kidney disease33%
  8. Anxiety30%

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

Dr. Wikholm's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women44%
  • Men55%

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

Dr. Gary D. Wikholm wrote 8,876 Medicare Part D claims in 2024

In 2024, Dr. Wikholm wrote 8,876 Medicare Part D claims for 353 patients. 85% of them were for generic drugs. CMS names the drug for 8,122 of them, across 166 drugs with 11 or more claims each, at $486,876 in total drug cost. In 2023, CMS named 6,761 claims across 148 drugs.

Part D claims, 20248,876
Drugs named by CMS166
Total drug cost$486,876
Part D patients353

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

  • Generic7,557 claims85%
  • Brand-name1,260 claims14%
  • Other59 claims1%

Dr. Wikholm'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. Wikholm's Part D claims, 2024

  • Opioids6%548 of 8,876 claims
  • Antibiotics3%248 of 8,876 claims
  • Antipsychotics, patients 65 and over1%114 of 8,876 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: 6,7612024: 8,12220%

Drugs named by CMS: 166 in 2024, 148 in 2023.

See all prescribing by Dr. Wikholm

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. Gary D. Wikholm offers telehealth to Medicare patients

Dr. Wikholm accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Wikholm as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Gary D. Wikholm received $171 in industry payments from 2016 to 2024

CMS Open Payments shows 6 general payments to Dr. Wikholm from 4 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Harmony Biosciences LLC paid the most, $79.

General payments to Dr. Wikholm by program year, 2016 to 2024

Companies that paid Dr. Wikholm the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Wikholm

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

Dr. Gary D. Wikholm graduated from Universidad Autonoma de Guadalajara

Dr. Wikholm graduated from Universidad Autonoma de Guadalajara in 1981.

  1. Medical schoolUniversidad Autonoma de Guadalajara
  2. Board certified in family medicineAmerican Board of Family Medicine

Source: Dmand AI Professional Profile Data

Dr. Gary D. Wikholm accepts plans from 15 insurance carriers

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

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

Plan types Dr. Wikholm accepts, by number of carriers

  1. PPO10
  2. Medicare9
  3. HMO7
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Gary D. Wikholm'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
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. Gary D. Wikholm

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. Gary D. Wikholm's NPI number?

Dr. Gary D. Wikholm's NPI number is 1861598526. It was assigned on September 16, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Gary D. Wikholm?

Dr. Gary D. Wikholm is a family medicine physician in Santa Paula, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).

Where does Dr. Gary D. Wikholm practice?

Dr. Wikholm practices at 247 W Harvard Blvd, Santa Paula, CA 93060. Dr. Wikholm's primary practice is Gary Wikholm M D a Professional Corporation in Santa Paula, California. Dmand AI also links Dr. Wikholm to 1 hospital, 1 group practice or clinic, 1 hospice, 1 skilled nursing facility and 1 medical group.

What is Dr. Gary D. Wikholm's office phone number?

The practice phone on file for Dr. Wikholm is (805) 525-0907.

What is Dr. Gary D. Wikholm's medical license number?

Dr. Wikholm holds California license A41000.

Which hospitals is Dr. Gary D. Wikholm affiliated with?

Dr. Wikholm is affiliated with Community Memorial Hospital - Ventura. Dmand AI links Dr. Wikholm to 1 more hospital.

What medical group is Dr. Gary D. Wikholm part of?

Dr. Wikholm is linked to Ventura County Medical Center. Dmand AI links Dr. Wikholm to 1 more medical group.

Does Dr. Gary D. Wikholm accept Medicare?

Yes. CMS data shows Dr. Wikholm billed Medicare for 848 services in 2024, and Dr. Wikholm accepts Medicare assignment.

Does Dr. Gary D. Wikholm offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Wikholm as offering telehealth services.

How many Medicare patients does Dr. Gary D. Wikholm see?

CMS counts 184 Medicare patients who saw Dr. Wikholm in 2024, with an average age of 74.

Show 7 more questionsShow fewer questions

Is Dr. Gary D. Wikholm board certified?

Yes. Dr. Wikholm is board certified in family medicine by the American Board of Family Medicine.

What services does Dr. Gary D. Wikholm bill to Medicare?

In 2024, Dr. Wikholm's most billed Medicare services were nursing facility care (99309), office visit, established patient (99214) and nursing facility care (99305).

Where did Dr. Gary D. Wikholm go to medical school?

Dr. Wikholm graduated from Universidad Autonoma de Guadalajara in 1981.

What drugs does Dr. Gary D. Wikholm prescribe most?

In 2024 Medicare Part D data, Dr. Wikholm's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Hydrocodone-Acetaminophen.

Has Dr. Gary D. Wikholm received payments from drug or device companies?

CMS Open Payments shows $171 in general payments to Dr. Wikholm from 4 companies from 2016 to 2024. The largest total came from Harmony Biosciences LLC.

How long has Dr. Gary D. Wikholm been practicing?

Dr. Wikholm graduated from medical school in 1981, 45 years ago.

What insurance does Dr. Gary D. Wikholm accept?

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

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