Dr. Thomas E. Singer, MD
- Part D claims, 2024
- 32
- Insurance carriers
- 5
- State license
- 1
- Year NPI issued
- 2008
- Practice address
- 1300 S Eliseo Dr, Greenbrae, CA 94904
- Practice phone
- Call (415) 925-0550
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Greenbrae Dermatology, a Medical Corporation
Greenbrae, California
Find Dr. Singer'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. Thomas E. Singer is a psychiatrist in Greenbrae, California
Dr. Singer practices at Greenbrae Dermatology, a Medical Corporation in Greenbrae, California.
Dr. Singer's NPI, 1679749147, was assigned on May 5, 2008. Dr. Singer graduated from Yale School of Medicine in 1970. Dr. Singer holds California license G25930.
- NPI
- 1679749147NPI Registry (opens in a new tab)
- NPI enumeration date
- May 5, 2008
- NPI status
- Active
- Practice phone
- (415) 925-0550
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1970
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Thomas E. Singer practices at Greenbrae Dermatology, a Medical Corporation in Greenbrae, California
Dr. Singer's primary practice is Greenbrae Dermatology, a Medical Corporation, at 1300 S Eliseo Dr, Greenbrae, CA 94904 in Marin County. The practice phone is (415) 925-0550.
- Greenbrae Dermatology, a Medical Corporation1300 S Eliseo Dr, Greenbrae, CA 94904 · Marin CountyPhone(415) 925-0550
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thomas E. Singer is affiliated with 1 site of care
Dr. Singer's primary practice is Greenbrae Dermatology, a Medical Corporation in Greenbrae, California.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Thomas E. Singer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Singer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greenbrae Dermatology, a Medical Corporation | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas E. Singer is one of 6,803 psychiatrists in California
Psychiatry is Dr. Singer's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Singer is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Psychiatrists near Dr. Singer
Counts of psychiatrists 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. Thomas E. Singer's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Singer's median patient age at 58, with 100% women.
Dr. Singer'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
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Thomas E. Singer wrote 32 Medicare Part D claims in 2024
In 2024, Dr. Singer wrote 32 Medicare Part D claims. 97% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $212 in total drug cost. In 2020, CMS named 12 claims across 1 drug.
Dr. Singer's Part D claims by kind of drug, 2024
- Generic31 claims97%
- Brand-name and other1 claims3%
Dr. Singer's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2023
- 2020
- 2023
- Claims for drugs CMS names
- 2020: 122023: 12No change
Drugs named by CMS: 1 in 2023, 1 in 2020.
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
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Dr. Thomas E. Singer graduated from Yale School of Medicine
Dr. Singer graduated from Yale School of Medicine in 1970.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Thomas E. Singer accepts plans from 5 insurance carriers
Dr. Singer is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and Elevance. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- Elevance
- HCSC
- Regence Health Plans
Plan types Dr. Singer accepts, by number of carriers
- Medicare4
- PPO4
- HMO2
- Medicaid1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Thomas E. Singer'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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) |
| 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. Thomas E. Singer
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. Thomas E. Singer's NPI number?
Dr. Thomas E. Singer's NPI number is 1679749147. It was assigned on May 5, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas E. Singer?
Dr. Thomas E. Singer is a psychiatrist in Greenbrae, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Thomas E. Singer practice?
Dr. Singer practices at 1300 S Eliseo Dr, Greenbrae, CA 94904. Dr. Singer's primary practice is Greenbrae Dermatology, a Medical Corporation in Greenbrae, California.
What is Dr. Thomas E. Singer's office phone number?
The practice phone on file for Dr. Singer is (415) 925-0550.
What is Dr. Thomas E. Singer's medical license number?
Dr. Singer holds California license G25930.
Where did Dr. Thomas E. Singer go to medical school?
Dr. Singer graduated from Yale School of Medicine in 1970.
What drugs does Dr. Thomas E. Singer prescribe most?
In 2023 Medicare Part D data, Dr. Singer's most prescribed drugs by claims were Escitalopram Oxalate.
How long has Dr. Thomas E. Singer been practicing?
Dr. Singer graduated from medical school in 1970, 56 years ago.
What insurance does Dr. Thomas E. Singer accept?
Dr. Singer is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and Elevance. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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