Dr. Andrew Lay Wiley, DO
- Medicare services, 2024
- 43
- Medicare patients, 2024
- 28
- Part D claims, 2024
- 8,226
- Hospital affiliations
- 1
- Industry payments
- $7
- Practice address
- 975 Sereno Dr, Vallejo, CA 94589
- Practice phone
- Call (707) 651-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Wiley'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. Andrew Lay Wiley is an internist in Vallejo, California
Dr. Wiley practices at Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente.
Dr. Wiley's NPI, 1255652582, was assigned on June 22, 2010. Dr. Wiley graduated from Touro University California - Vallejo in 2010. Dr. Wiley holds Michigan license 5101018914.
- NPI
- 1255652582NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820222946
- NPI enumeration date
- June 22, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (707) 651-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Andrew Lay Wiley practices at Vallejo Medical Center in Vallejo, California
Dr. Wiley's primary practice is Vallejo Medical Center, at 975 Sereno Dr, Vallejo, CA 94589 in Solano County. The practice phone is (707) 651-1000.
- Vallejo Medical Center975 Sereno Dr, Vallejo, CA 94589 · Solano CountyPhone(707) 651-1000
Source: Dmand AI Affiliation Data
Dr. Andrew Lay Wiley is affiliated with 4 sites of care and 2 medical groups
Dr. Wiley's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Wiley to 1 more group practice or clinic, 1 home health agency, 1 hospice and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Andrew Lay Wiley's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wiley practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vallejo Medical Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Andrew Lay Wiley is one of 16,751 internists in California
Internal medicine is Dr. Wiley's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Wiley is board certified in internal medicine by the American Osteopathic Board of Internal Medicine. Dr. Wiley is licensed in Michigan.
Specialties and state licenses
- Internal medicine, MichiganPrimary
Clinical focus
Dmand AI lists asthma, bursitis, chronic diabetes, chronic hypertension, fibromyalgia and chronic pain, fluid and electrolyte imbalances and upper respiratory infection (URI) among the conditions Dr. Wiley treats.
Internists near Dr. Wiley
Counts of internists 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. Andrew Lay Wiley billed Medicare for 43 services in 2024
CMS data shows 43 Medicare services from Dr. Wiley across 2 procedure codes in 2024, for 28 Medicare patients. Medicare paid $1,839 for them. Every service was in an office.
Dr. Wiley's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 162024: 43169%
Dr. Wiley compared with the California median for internists, 2024
- Dr. Wiley
- California median
- Medicare services
- 43vs 36188% below
- Medicare patients
- 28vs 15181% below
- Part D claims
- 7,573vs 42118.0 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Wiley'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.
Need commercial claims for Dr. Wiley?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wiley and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Andrew Lay Wiley treated 28 Medicare patients in 2024, average age 60
CMS counts 28 Medicare patients who saw Dr. Wiley in 2024. The largest group is under 65, with 13 patients. 61% of them have high blood pressure, and 57% have high cholesterol. Their average risk score is 1.22, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Wiley's median patient age at 62, with 48% women.
Dr. Wiley's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Wiley's Medicare patients by sex, 2024
- Women1554%
- Men1346%
Chronic conditions among Dr. Wiley's Medicare patients, 2024
- High blood pressure61%
- High cholesterol57%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wiley's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Andrew Lay Wiley wrote 8,226 Medicare Part D claims in 2024
In 2024, Dr. Wiley wrote 8,226 Medicare Part D claims for 913 patients. 89% of them were for generic drugs. CMS names the drug for 7,573 of them, across 121 drugs with 11 or more claims each, at $307,334 in total drug cost. In 2023, CMS named 7,570 claims across 123 drugs.
Dr. Wiley's Part D claims by kind of drug, 2024
- Generic7,291 claims89%
- Brand-name813 claims10%
- Other122 claims1%
Dr. Wiley'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. Wiley's Part D claims, 2024
- Opioids6%532 of 8,226 claims
- Antibiotics2%205 of 8,226 claims
- Antipsychotics, patients 65 and over0%27 of 8,226 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: 7,5702024: 7,573No change
Drugs named by CMS: 121 in 2024, 123 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
Dr. Andrew Lay Wiley offers telehealth to Medicare patients
Dr. Wiley accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Wiley as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Andrew Lay Wiley received $7 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Wiley from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $7.
Companies that paid Dr. Wiley the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Andrew Lay Wiley graduated from Touro University California - Vallejo
Dr. Wiley graduated from Touro University California - Vallejo in 2010. Dr. Wiley is a member of AOA.
- Medical school
- Board certified in internal medicine
- Board certified in internal medicine
- Board certified in 2016 - 2027
- Board certified in 2010 - 2016
Source: Dmand AI Professional Profile Data
Dr. Andrew Lay Wiley accepts plans from 3 insurance carriers
Dr. Wiley is in network with 3 carriers, including Kaiser Permanente, CMS Medicare and GA State Medicaid. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
- GA State Medicaid
Plan types Dr. Wiley accepts, by number of carriers
- EPO1
- HMO1
- Medicaid1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Andrew Lay Wiley'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Andrew Lay Wiley
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. Andrew Lay Wiley's NPI number?
Dr. Andrew Lay Wiley's NPI number is 1255652582. It was assigned on June 22, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Andrew Lay Wiley?
Dr. Andrew Lay Wiley is an internist in Vallejo, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Andrew Lay Wiley practice?
Dr. Wiley practices at 975 Sereno Dr, Vallejo, CA 94589. Dr. Wiley's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dmand AI also links Dr. Wiley to 1 group practice or clinic, 1 home health agency, 1 hospice and 1 medical group.
What is Dr. Andrew Lay Wiley's office phone number?
The practice phone on file for Dr. Wiley is (707) 651-1000.
What is Dr. Andrew Lay Wiley's medical license number?
Dr. Wiley holds Michigan license 5101018914.
Which hospitals is Dr. Andrew Lay Wiley affiliated with?
Dr. Wiley practices at Vallejo Medical Center in Vallejo, California.
What medical group is Dr. Andrew Lay Wiley part of?
Dr. Wiley is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Wiley to 1 more medical group.
Does Dr. Andrew Lay Wiley accept Medicare?
Yes. CMS data shows Dr. Wiley billed Medicare for 43 services in 2024, and Dr. Wiley accepts Medicare assignment.
Does Dr. Andrew Lay Wiley offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Wiley as offering telehealth services.
How many Medicare patients does Dr. Andrew Lay Wiley see?
CMS counts 28 Medicare patients who saw Dr. Wiley in 2024, with an average age of 60.
Show 7 more questionsShow fewer questions
Is Dr. Andrew Lay Wiley board certified?
Yes. Dr. Wiley is board certified in internal medicine by the American Osteopathic Board of Internal Medicine.
What services does Dr. Andrew Lay Wiley bill to Medicare?
In 2024, Dr. Wiley's most billed Medicare services were office visit, established patient (99213) and care management and other visits (99441).
Where did Dr. Andrew Lay Wiley go to medical school?
Dr. Wiley graduated from Touro University California - Vallejo in 2010.
What drugs does Dr. Andrew Lay Wiley prescribe most?
In 2024 Medicare Part D data, Dr. Wiley's most prescribed drugs by claims were Atorvastatin Calcium, Hydrocodone-Acetaminophen and Amlodipine Besylate.
Has Dr. Andrew Lay Wiley received payments from drug or device companies?
CMS Open Payments shows $7 in general payments to Dr. Wiley from 1 company from 2016 to 2016. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).
How long has Dr. Andrew Lay Wiley been practicing?
Dr. Wiley graduated from medical school in 2010, 16 years ago.
What insurance does Dr. Andrew Lay Wiley accept?
Dr. Wiley is in network with 3 carriers, including Kaiser Permanente, CMS Medicare and GA State Medicaid. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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