Dr. Robert Bob-Man Lam, MD
- Part D claims, 2024
- 104
- Hospital affiliations
- 1
- Industry payments
- $1,413
- Medical group
- 1
- State licenses
- 2
- Practice address
- 401 Bicentennial Way, Santa Rosa, CA 95403
- Practice phone
- Call (707) 571-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lam'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 Bob-Man Lam is a gastroenterologist in Santa Rosa, California
Dr. Lam practices at Santa Rosa Medical Center in Santa Rosa, California, part of Kaiser Permanente.
Dr. Lam's NPI, 1487210670, was assigned on May 14, 2019. Dr. Lam holds California license A200519.
- NPI
- 1487210670NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244569762
- NPI enumeration date
- May 14, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (707) 571-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Bob-Man Lam practices at Santa Rosa Medical Center in Santa Rosa, California
Dr. Lam's primary practice is Santa Rosa Medical Center, at 401 Bicentennial Way, Santa Rosa, CA 95403 in Sonoma County. The practice phone is (707) 571-4000.
- Santa Rosa Medical Center401 Bicentennial Way, Santa Rosa, CA 95403 · Sonoma CountyPhone(707) 571-4000
Source: Dmand AI Affiliation Data
Dr. Robert Bob-Man Lam is affiliated with 1 site of care and 1 medical group
Dr. Lam's primary practice is Santa Rosa Medical Center in Santa Rosa, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Bob-Man Lam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lam practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Rosa Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Robert Bob-Man Lam is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Lam's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Lam's licenses on file in 2 states: California and Connecticut.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
- Connecticut license
Gastroenterologists near Dr. Lam
Counts of gastroenterologists 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 Bob-Man Lam's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Lam's median patient age at 58, with 56% women.
Dr. Lam'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
- Women56%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Robert Bob-Man Lam wrote 104 Medicare Part D claims in 2024
In 2024, Dr. Lam wrote 104 Medicare Part D claims for 42 patients. 84% of them were for generic drugs. CMS names the drug for 49 of them, across 3 drugs with 11 or more claims each, at $1,621 in total drug cost.
Dr. Lam's Part D claims by kind of drug, 2024
- Generic87 claims84%
- Brand-name17 claims16%
Dr. Lam'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.
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. Robert Bob-Man Lam offers telehealth to Medicare patients
Dr. Lam accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lam as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 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. Robert Bob-Man Lam received $1,413 in industry payments in 2025
CMS Open Payments shows 5 general payments to Dr. Lam from 1 drug or device company in 2025. Food and beverage make up the largest share, 51% of the total. Enterra Medical, Inc. paid the most, $1,413.
General payments to Dr. Lam by kind, 2025 to 2025
- Food and beverage$71851%
- Travel and lodging$69549%
Companies that paid Dr. Lam the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Robert Bob-Man Lam'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) |
| 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 Bob-Man Lam
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 Bob-Man Lam's NPI number?
Dr. Robert Bob-Man Lam's NPI number is 1487210670. It was assigned on May 14, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Bob-Man Lam?
Dr. Robert Bob-Man Lam is a gastroenterologist in Santa Rosa, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Robert Bob-Man Lam practice?
Dr. Lam practices at 401 Bicentennial Way, Santa Rosa, CA 95403. Dr. Lam's primary practice is Santa Rosa Medical Center in Santa Rosa, California, part of Kaiser Permanente.
What is Dr. Robert Bob-Man Lam's office phone number?
The practice phone on file for Dr. Lam is (707) 571-4000.
What is Dr. Robert Bob-Man Lam's medical license number?
Dr. Lam holds California license A200519, one of the licenses on file in 2 states.
Which states has Dr. Robert Bob-Man Lam been licensed in?
Dmand AI has state licenses on file for Dr. Lam in California and Connecticut.
Which hospitals is Dr. Robert Bob-Man Lam affiliated with?
Dr. Lam practices at Santa Rosa Medical Center in Santa Rosa, California.
What medical group is Dr. Robert Bob-Man Lam part of?
Dr. Lam is linked to The Permanente Medical Group, Inc.
Does Dr. Robert Bob-Man Lam accept Medicare?
Yes. CMS lists Dr. Lam as accepting Medicare assignment.
Does Dr. Robert Bob-Man Lam offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lam as offering telehealth services.
Show 3 more questionsShow fewer questions
What drugs does Dr. Robert Bob-Man Lam prescribe most?
In 2024 Medicare Part D data, Dr. Lam's most prescribed drugs by claims were Esomeprazole Magnesium, Famotidine and Omeprazole.
Has Dr. Robert Bob-Man Lam received payments from drug or device companies?
CMS Open Payments shows $1,413 in general payments to Dr. Lam from 1 company from 2025 to 2025. The largest total came from Enterra Medical, Inc.
How long has Dr. Robert Bob-Man Lam been practicing?
Dr. Lam graduated from medical school in 2019, 7 years ago.
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