Dr. Robert Bayer, MD
- Industry payments
- $21
- State license
- 1
- Year NPI issued
- 2009
- Practice address
- 6734 Selkirk Dr, Bethesda, MD 20817-4955
- Practice phone
- Call (301) 530-6291
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Bayer'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. Robert Bayer is an internist in Bethesda, Maryland
Dr. Bayer practices in Bethesda, Maryland.
Dr. Bayer's NPI, 1861636094, was assigned on May 1, 2009. Dr. Bayer holds Maryland license D24439.
- NPI
- 1861636094NPI Registry (opens in a new tab)
- NPI enumeration date
- May 1, 2009
- NPI status
- Active
- Practice phone
- (301) 530-6291
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Robert Bayer's practice address is in Bethesda, Maryland
Dr. Bayer's practice address in the NPI Registry is 6734 Selkirk Dr, Bethesda, MD 20817-4955. The practice phone is (301) 530-6291.
- NPI Registry address6734 Selkirk Dr, Bethesda, MD 20817-4955Phone(301) 530-6291
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Robert Bayer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bayer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Bayer's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Bayer is one of 3,320 internists in Maryland
Internal medicine is Dr. Bayer's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Bayer is licensed in Maryland.
Specialties and state licenses
- Internal medicine, MarylandPrimary
Internists near Dr. Bayer
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. Robert Bayer's patients have a median age of 83
Across all payers, Dmand AI patient panel data puts Dr. Bayer's median patient age at 83, with 0% women.
Dr. Bayer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 83
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Robert Bayer received $21 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Bayer from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Virtual Incision Corporation paid the most, $21.
Companies that paid Dr. Bayer the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Robert Bayer'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 |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Robert Bayer
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 Bayer's NPI number?
Dr. Robert Bayer's NPI number is 1861636094. It was assigned on May 1, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Bayer?
Dr. Robert Bayer is an internist in Bethesda, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert Bayer practice?
Dr. Bayer practices at 6734 Selkirk Dr, Bethesda, MD 20817-4955.
What is Dr. Robert Bayer's office phone number?
The practice phone on file for Dr. Bayer is (301) 530-6291.
What is Dr. Robert Bayer's medical license number?
Dr. Bayer holds Maryland license D24439.
Has Dr. Robert Bayer received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Dr. Bayer from 1 company from 2024 to 2024. The largest total came from Virtual Incision Corporation.
How long has Dr. Robert Bayer been practicing?
Dr. Bayer's NPI was assigned in 2009.
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