Dr. John R. Lamb, MD
- Medicare services, 2024
- 96
- Medicare patients, 2024
- 70
- Part D claims, 2024
- 5,488
- Publications
- 26
- Hospital affiliations
- 1
- Practice address
- One Hospital Road, First Fl, Wing 5, PO Box 1477, Oak Bluffs, MA 02557
- Practice phone
- Call (508) 693-0410
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lamb'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. John R. Lamb is an internist in Oak Bluffs, Massachusetts
Dr. Lamb practices at Martha's Vineyard Hospital in Oak Bluffs, Massachusetts, part of Mass General Brigham.
Dr. Lamb's NPI, 1679552467, was assigned on January 11, 2006. Dr. Lamb graduated from State University of New York at Buffalo School of Medicine in 1979. Dr. Lamb holds Massachusetts license 226239.
- NPI
- 1679552467NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608880406
- NPI enumeration date
- January 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 693-0410
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John R. Lamb practices at 2 locations in Oak Bluffs, Massachusetts
Dr. Lamb's primary practice is Martha's Vineyard Hospital, at One Hospital Road, First Fl, Wing 5, PO Box 1477, Oak Bluffs, MA 02557 in Dukes County. The practice phone is (508) 693-0410. Dr. Lamb also practices at Martha's Vineyard Hospital, 1 Hospital Way, Oak Bluffs, MA 02557.
- Martha's Vineyard HospitalPrimaryOne Hospital Road, First Fl, Wing 5, PO Box 1477, Oak Bluffs, MA 02557 · Dukes CountyPhone(508) 693-0410
- Martha's Vineyard Hospital1 Hospital Way, Oak Bluffs, MA 02557 · Dukes CountyPhone(508) 693-0410
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. John R. Lamb is affiliated with 5 sites of care and 1 medical group
Dr. Lamb's primary practice is Martha's Vineyard Hospital in Oak Bluffs, Massachusetts, part of Mass General Brigham. The medical group on file is Martha's Vineyard Hospital. Dmand AI also links Dr. Lamb to 1 more home health agency, 1 hospice, 1 senior living community and 1 skilled nursing facility, each named with a free account. Dr. Lamb's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John R. Lamb's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lamb practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Martha's Vineyard Hospital | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John R. Lamb is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Lamb's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lamb is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Lamb
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. John R. Lamb billed Medicare for 96 services in 2024
CMS data shows 96 Medicare services from Dr. Lamb across 1 procedure code in 2024, for 70 Medicare patients. Medicare paid $604 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lamb's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 562024: 9671%
Dr. Lamb compared with the Massachusetts median for internists, 2024
- Dr. Lamb
- Massachusetts median
- Medicare services
- 96vs 43178% below
- Medicare patients
- 70vs 19464% below
- Part D claims
- 4,818vs 40212.0 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Lamb's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Lamb?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lamb and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John R. Lamb treated 70 Medicare patients in 2024, average age 80
CMS counts 70 Medicare patients who saw Dr. Lamb in 2024. The largest group is 75 to 84, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.83, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Lamb's median patient age at 76, with 48% women.
Dr. Lamb's Medicare patients by age, 2024
Dr. Lamb's Medicare patients by sex, 2024
- Women4361%
- Men2739%
Chronic conditions among Dr. Lamb's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis63%
- Mood disorders50%
- Atrial fibrillation46%
- Depression43%
- Heart failure41%
- Ischemic heart disease40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lamb's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John R. Lamb wrote 5,488 Medicare Part D claims in 2024
In 2024, Dr. Lamb wrote 5,488 Medicare Part D claims for 425 patients. 88% of them were for generic drugs. CMS names the drug for 4,818 of them, across 103 drugs with 11 or more claims each, at $280,718 in total drug cost. In 2023, CMS named 4,558 claims across 97 drugs.
Dr. Lamb's Part D claims by kind of drug, 2024
- Generic4,830 claims88%
- Brand-name607 claims11%
- Other51 claims1%
Dr. Lamb'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. Lamb's Part D claims, 2024
- Opioids1%60 of 5,488 claims
- Antibiotics3%158 of 5,488 claims
- Antipsychotics, patients 65 and over0%24 of 5,488 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: 4,5582024: 4,8186%
Drugs named by CMS: 103 in 2024, 97 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. John R. Lamb takes part in Medicare
Dr. Lamb accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John R. Lamb has 26 publications on record
Dmand AI links 26 papers to Dr. Lamb, published from 2010 to 2025. 2020 was the busiest year, with 4. The most frequent topics are Blood Proteins, Genetic Predisposition to Disease and Genome, Human. Dr. Lamb has published most often in medRxiv. Dr. Lamb's most frequent co-authors are Mark K. Ferguson, Cynthia L. Grosskreutz, MD and Sigurdis Haraldsdottir, MD.
Dr. Lamb's papers by year, 2013 to 2025
Topics Dr. Lamb writes about most
- Blood Proteins
- Genetic Predisposition to Disease
- Genome, Human
- Polymorphism, Single Nucleotide
- CD8-Positive T-Lymphocytes
- Genome-Wide Association Study
- Genotype
- Iceland
Dr. Lamb's most frequent co-authors
- Mark K. Ferguson1 shared paper
- Cynthia L. Grosskreutz, MD1 shared paper
- Sigurdis Haraldsdottir, MD1 shared paper
Recent publications by Dr. Lamb
Eur J Heart Fail
Nat Commun
See who Dr. Lamb researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lamb works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John R. Lamb graduated from State University of New York at Buffalo School of Medicine
Dr. Lamb graduated from State University of New York at Buffalo School of Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John R. Lamb'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile 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. John R. Lamb
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. John R. Lamb's NPI number?
Dr. John R. Lamb's NPI number is 1679552467. It was assigned on January 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John R. Lamb?
Dr. John R. Lamb is an internist in Oak Bluffs, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John R. Lamb practice?
Dr. Lamb practices at One Hospital Road, First Fl, Wing 5, PO Box 1477, Oak Bluffs, MA 02557. Dr. Lamb also practices at 1 Hospital Way, Oak Bluffs, MA 02557. Dr. Lamb's primary practice is Martha's Vineyard Hospital in Oak Bluffs, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Lamb to 1 home health agency, 1 hospice, 1 senior living community and 1 skilled nursing facility.
What is Dr. John R. Lamb's office phone number?
The practice phone on file for Dr. Lamb is (508) 693-0410.
What is Dr. John R. Lamb's medical license number?
Dr. Lamb holds Massachusetts license 226239.
Which hospitals is Dr. John R. Lamb affiliated with?
Dr. Lamb practices at Martha's Vineyard Hospital in Oak Bluffs, Massachusetts.
What medical group is Dr. John R. Lamb part of?
Dr. Lamb is linked to Martha's Vineyard Hospital.
Does Dr. John R. Lamb accept Medicare?
Yes. CMS data shows Dr. Lamb billed Medicare for 96 services in 2024, and Dr. Lamb accepts Medicare assignment.
How many Medicare patients does Dr. John R. Lamb see?
CMS counts 70 Medicare patients who saw Dr. Lamb in 2024, with an average age of 80.
What services does Dr. John R. Lamb bill to Medicare?
In 2024, Dr. Lamb's most billed Medicare services were heart test or procedure (93010).
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Where did Dr. John R. Lamb go to medical school?
Dr. Lamb graduated from State University of New York at Buffalo School of Medicine in 1979.
What drugs does Dr. John R. Lamb prescribe most?
In 2024 Medicare Part D data, Dr. Lamb's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Losartan Potassium.
How long has Dr. John R. Lamb been practicing?
Dr. Lamb graduated from medical school in 1979, 47 years ago.
Does Dr. John R. Lamb do research?
Dmand AI links 26 publications to Dr. Lamb, published from 2010 to 2025.
Who does Dr. John R. Lamb publish with?
Dr. Lamb's most frequent co-authors are Mark K. Ferguson (1 shared paper), Cynthia L. Grosskreutz, MD (1 shared paper) and Sigurdis Haraldsdottir, MD (1 shared paper).
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