Dr. Margaret L. Baer, MD
- Medicare services, 2017
- 438
- Part D claims, 2019
- 27
- Industry payments
- $1,379
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 2 Bon Air Rd, Larkspur, CA 94939-1141
- Practice phone
- Call (415) 927-0666
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Marin Healthcare District
Medical specialty practice · Larkspur, California
Find Dr. Baer'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. Margaret L. Baer is a cardiologist in Larkspur, California
Dr. Baer practices at Marin Healthcare District in Larkspur, California.
Dr. Baer's NPI, 1104816917, was assigned on October 24, 2005. Dr. Baer holds California license G74733.
- NPI
- 1104816917NPI Registry (opens in a new tab)
- NPI enumeration date
- October 24, 2005
- NPI status
- Active
- Practice phone
- (415) 927-0666
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Margaret L. Baer practices at Marin Healthcare District in Larkspur, California
Dr. Baer's primary practice is Marin Healthcare District, at 2 Bon Air Rd, Larkspur, CA 94939-1141. The practice phone is (415) 927-0666.
- Marin Healthcare District2 Bon Air Rd, Larkspur, CA 94939-1141Phone(415) 927-0666
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Margaret L. Baer is affiliated with 1 site of care and 1 medical group
Dr. Baer's primary practice is Marin Healthcare District in Larkspur, California. Dmand AI also links Dr. Baer to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Margaret L. Baer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Baer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marin Healthcare District | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Margaret L. Baer is one of 2,375 cardiologists in California
Cardiovascular disease is Dr. Baer's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Baer is licensed in California.
Specialties and state licenses
- Cardiovascular disease, CaliforniaPrimary
Cardiologists near Dr. Baer
Counts of cardiologists 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. Margaret L. Baer billed Medicare for 438 services in 2017
CMS data shows 438 Medicare services from Dr. Baer across 7 procedure codes in 2017. Medicare paid $21,988 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Baer's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Tests and treatments
- 2016: 4,2912017: 25194%
- Office and hospital visits
- 2016: 1,5242017: 18788%
- Imaging
- 2016: 1222017: 0100%
- Other services
- 2016: 322017: 0100%
- Surgery
- 2016: 192017: 0100%
Dr. Baer compared with the California median for cardiologists, 2017
- Dr. Baer
- California median
- Medicare services
- 438vs 1,56072% below
- Part D claims
- 27vs 1,41098% below
Medians across 2,237 cardiologists in California with Dmand AI profiles that report each measure.
Dr. Baer's most billed Medicare procedure codes, 2017
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. Baer and other cardiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Margaret L. Baer's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Baer's median patient age at 63, with 100% women.
Dr. Baer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Margaret L. Baer wrote 27 Medicare Part D claims in 2019
In 2019, Dr. Baer wrote 27 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $684 in total drug cost. In 2018, CMS named 495 claims across 22 drugs.
Dr. Baer's most prescribed drugs by claims, 2019
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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 4952019: 2795%
Drugs named by CMS: 1 in 2019, 22 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Margaret L. Baer received $1,379 in industry payments from 2016 to 2023
CMS Open Payments shows 63 general payments to Dr. Baer from 16 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 99% of the total. Boston Scientific Corporation paid the most, $380.
General payments to Dr. Baer by program year, 2016 to 2023
General payments to Dr. Baer by kind, 2016 to 2023
- Food and beverage$1,36999%
- Education$101%
Companies that paid Dr. Baer the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Margaret L. Baer'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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. Margaret L. Baer
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. Margaret L. Baer's NPI number?
Dr. Margaret L. Baer's NPI number is 1104816917. It was assigned on October 24, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Margaret L. Baer?
Dr. Margaret L. Baer is a cardiologist in Larkspur, California. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Margaret L. Baer practice?
Dr. Baer practices at 2 Bon Air Rd, Larkspur, CA 94939-1141. Dr. Baer's primary practice is Marin Healthcare District in Larkspur, California. Dmand AI also links Dr. Baer to 1 medical group.
What is Dr. Margaret L. Baer's office phone number?
The practice phone on file for Dr. Baer is (415) 927-0666.
What is Dr. Margaret L. Baer's medical license number?
Dr. Baer holds California license G74733.
Does Dr. Margaret L. Baer accept Medicare?
Yes. CMS data shows Dr. Baer billed Medicare for 438 services in 2017.
What services does Dr. Margaret L. Baer bill to Medicare?
In 2017, Dr. Baer's most billed Medicare services were heart test or procedure (93010), hospital inpatient care (99232) and hospital inpatient care (99223).
What drugs does Dr. Margaret L. Baer prescribe most?
In 2019 Medicare Part D data, Dr. Baer's most prescribed drugs by claims were Atorvastatin Calcium.
Has Dr. Margaret L. Baer received payments from drug or device companies?
CMS Open Payments shows $1,379 in general payments to Dr. Baer from 16 companies from 2016 to 2023. The largest total came from Boston Scientific Corporation.
How long has Dr. Margaret L. Baer been practicing?
Dr. Baer's NPI was assigned in 2005.
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