Dr. Robert A. Wickham, MD
- Medicare services, 2024
- 39
- Medicare patients, 2024
- 16
- Part D claims, 2024
- 194
- Hospital affiliations
- 2
- Medical group
- 1
- Practice address
- 1 Quality Drive, Vacaville, CA 95688
- Practice phone
- Call (707) 624-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Wickham's professional email, personal email and mobile number
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Dr. Robert A. Wickham is a hospitalist in Vacaville, California
Dr. Wickham practices at Vacaville Medical Center in Vacaville, California, part of Kaiser Permanente.
Dr. Wickham's NPI, 1598843328, was assigned on November 1, 2006. Dr. Wickham holds California license A53715.
- NPI
- 1598843328NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103005400
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 624-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert A. Wickham practices at Vacaville Medical Center in Vacaville, California
Dr. Wickham's primary practice is Vacaville Medical Center, at 1 Quality Drive, Vacaville, CA 95688 in Solano County. The practice phone is (707) 624-4000.
- Vacaville Medical Center1 Quality Drive, Vacaville, CA 95688 · Solano CountyPhone(707) 624-4000
Source: Dmand AI Affiliation Data
Dr. Robert A. Wickham is affiliated with 3 sites of care and 1 medical group
Dr. Wickham's primary practice is Vacaville Medical Center in Vacaville, California, part of Kaiser Permanente. Dr. Wickham is also affiliated with Vallejo Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Wickham to 1 more clinical lab, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert A. Wickham's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wickham practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vacaville Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert A. Wickham is one of 3,186 hospitalists in California
Hospitalist is Dr. Wickham's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Wickham is licensed in California.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
Hospitalists near Dr. Wickham
Counts of hospitalists 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. Robert A. Wickham billed Medicare for 39 services in 2024
CMS data shows 39 Medicare services from Dr. Wickham across 1 procedure code in 2024, for 16 Medicare patients. Medicare paid $2,605 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Wickham's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 402024: 393%
Dr. Wickham compared with the California median for hospitalists, 2024
- Dr. Wickham
- California median
- Medicare services
- 39vs 43091% below
- Medicare patients
- 16vs 20192% below
- Part D claims
- 26vs 6962% below
Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.
Dr. Wickham'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wickham and other hospitalists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert A. Wickham treated 16 Medicare patients in 2024, average age 74
CMS counts 16 Medicare patients who saw Dr. Wickham in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.98, 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. Wickham's median patient age at 71, with 55% women.
Chronic conditions among Dr. Wickham's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Stroke or TIA69%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wickham's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert A. Wickham wrote 194 Medicare Part D claims in 2024
In 2024, Dr. Wickham wrote 194 Medicare Part D claims for 103 patients. 84% of them were for generic drugs. CMS names the drug for 26 of them, across 2 drugs with 11 or more claims each, at $280 in total drug cost. In 2023, CMS named 78 claims across 5 drugs.
Dr. Wickham's Part D claims by kind of drug, 2024
- Generic163 claims84%
- Brand-name and other31 claims16%
Dr. Wickham'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. Wickham's Part D claims, 2024
- Opioids9%18 of 194 claims
- Antibiotics19%37 of 194 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: 782024: 2667%
Drugs named by CMS: 2 in 2024, 5 in 2023.
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
How Dr. Robert A. Wickham takes part in Medicare
Dr. Wickham accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. Robert A. Wickham'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) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. Robert A. Wickham
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. Robert A. Wickham's NPI number?
Dr. Robert A. Wickham's NPI number is 1598843328. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert A. Wickham?
Dr. Robert A. Wickham is a hospitalist in Vacaville, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Robert A. Wickham practice?
Dr. Wickham practices at 1 Quality Drive, Vacaville, CA 95688. Dr. Wickham's primary practice is Vacaville Medical Center in Vacaville, California, part of Kaiser Permanente. Dmand AI also links Dr. Wickham to 1 clinical lab.
What is Dr. Robert A. Wickham's office phone number?
The practice phone on file for Dr. Wickham is (707) 624-4000.
What is Dr. Robert A. Wickham's medical license number?
Dr. Wickham holds California license A53715.
Which hospitals is Dr. Robert A. Wickham affiliated with?
Dr. Wickham practices at Vacaville Medical Center in Vacaville, California. Dr. Wickham is also affiliated with Vallejo Medical Center.
What medical group is Dr. Robert A. Wickham part of?
Dr. Wickham is linked to The Permanente Medical Group, Inc.
Does Dr. Robert A. Wickham accept Medicare?
Yes. CMS data shows Dr. Wickham billed Medicare for 39 services in 2024, and Dr. Wickham accepts Medicare assignment.
How many Medicare patients does Dr. Robert A. Wickham see?
CMS counts 16 Medicare patients who saw Dr. Wickham in 2024, with an average age of 74.
What services does Dr. Robert A. Wickham bill to Medicare?
In 2024, Dr. Wickham's most billed Medicare services were hospital inpatient care (99232).
What drugs does Dr. Robert A. Wickham prescribe most?
In 2024 Medicare Part D data, Dr. Wickham's most prescribed drugs by claims were Oxycodone HCl and Furosemide.
How long has Dr. Robert A. Wickham been practicing?
Dr. Wickham graduated from medical school in 1993, 33 years ago.
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