Dr. Timothy M. Baker, MD
- Part D claims, 2024
- 1,403
- Hospital affiliations
- 2
- Industry payments
- $419
- Medical group
- 1
- Insurance carriers
- 2
- 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. Baker's professional email, personal email and mobile number
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Dr. Timothy M. Baker is a dermatologist in Vallejo, California
Dr. Baker practices at Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente.
Dr. Baker's NPI, 1598843245, was assigned on November 1, 2006. Dr. Baker graduated from Saint Louis University School Of Medicine in 1998. Dr. Baker holds California license A70392.
- NPI
- 1598843245NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254511801
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 651-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Timothy M. Baker practices at Vallejo Medical Center in Vallejo, California
Dr. Baker'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. Timothy M. Baker is affiliated with 4 sites of care and 1 medical group
Dr. Baker's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dr. Baker is also affiliated with Sacramento Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Baker to 1 more home health agency and 1 hospice, 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. Timothy M. Baker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Baker 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 affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Timothy M. Baker is one of 1,910 dermatologists in California
Dermatology is Dr. Baker's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Baker is board certified in dermatology by the American Board of Dermatology. Dr. Baker is licensed in California.
Specialties and state licenses
- Dermatology, CaliforniaPrimary
Dermatologists near Dr. Baker
Counts of dermatologists 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. Timothy M. Baker's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Baker's median patient age at 58, with 54% women.
Dr. Baker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women54%
- Men45%
Source: Dmand AI Patient Panel Data
Dr. Timothy M. Baker wrote 1,403 Medicare Part D claims in 2024
In 2024, Dr. Baker wrote 1,403 Medicare Part D claims for 525 patients. 71% of them were for generic drugs. CMS names the drug for 1,181 of them, across 23 drugs with 11 or more claims each, at $405,098 in total drug cost. In 2023, CMS named 1,167 claims across 28 drugs.
Dr. Baker's Part D claims by kind of drug, 2024
- Generic990 claims71%
- Brand-name413 claims29%
Dr. Baker'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. Baker's Part D claims, 2024
- Antibiotics5%65 of 1,403 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: 1,1672024: 1,1811%
Drugs named by CMS: 23 in 2024, 28 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. Timothy M. Baker takes part in Medicare
Dr. Baker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Timothy M. Baker received $419 in industry payments from 2016 to 2018
CMS Open Payments shows 4 general payments to Dr. Baker from 3 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $241.
General payments to Dr. Baker by program year, 2016 to 2018
Companies that paid Dr. Baker the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Timothy M. Baker has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Baker, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Baker
- 2011
- CMS Stage 1 2012
- Undated
- AAD Fellow
Source: Dmand AI Professional Profile Data
Dr. Timothy M. Baker graduated from Saint Louis University School Of Medicine
Dr. Baker graduated from Saint Louis University School Of Medicine in 1998. Dr. Baker is a member of AAD.
- Medical school
- Board certified in dermatology
Source: Dmand AI Professional Profile Data
Dr. Timothy M. Baker accepts plans from 2 insurance carriers
Dr. Baker is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Baker accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Timothy M. Baker'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Timothy M. Baker
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. Timothy M. Baker's NPI number?
Dr. Timothy M. Baker's NPI number is 1598843245. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy M. Baker?
Dr. Timothy M. Baker is a dermatologist in Vallejo, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Timothy M. Baker practice?
Dr. Baker practices at 975 Sereno Dr, Vallejo, CA 94589. Dr. Baker's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dmand AI also links Dr. Baker to 1 home health agency and 1 hospice.
What is Dr. Timothy M. Baker's office phone number?
The practice phone on file for Dr. Baker is (707) 651-1000.
What is Dr. Timothy M. Baker's medical license number?
Dr. Baker holds California license A70392.
Which hospitals is Dr. Timothy M. Baker affiliated with?
Dr. Baker practices at Vallejo Medical Center in Vallejo, California. Dr. Baker is also affiliated with Sacramento Medical Center.
What medical group is Dr. Timothy M. Baker part of?
Dr. Baker is linked to The Permanente Medical Group, Inc.
Does Dr. Timothy M. Baker accept Medicare?
Yes. CMS lists Dr. Baker as accepting Medicare assignment.
Is Dr. Timothy M. Baker board certified?
Yes. Dr. Baker is board certified in dermatology by the American Board of Dermatology.
Where did Dr. Timothy M. Baker go to medical school?
Dr. Baker graduated from Saint Louis University School Of Medicine in 1998.
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What drugs does Dr. Timothy M. Baker prescribe most?
In 2024 Medicare Part D data, Dr. Baker's most prescribed drugs by claims were Calcipotriene, Fluorouracil and Clobetasol Propionate.
Has Dr. Timothy M. Baker received payments from drug or device companies?
CMS Open Payments shows $419 in general payments to Dr. Baker from 3 companies from 2016 to 2018. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Timothy M. Baker been practicing?
Dr. Baker graduated from medical school in 1998, 28 years ago.
What insurance does Dr. Timothy M. Baker accept?
Dr. Baker is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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