Dr. Rhonda Elaine Lambert, MD
- Medicare services, 2024
- 108
- Medicare patients, 2024
- 74
- Part D claims, 2024
- 1,112
- MIPS score, 2024
- 80
- Industry payments
- $1.7M
- Practice address
- 101 S San Mateo Dr, San Mateo, CA 94401
- Practice phone
- Call (650) 348-6011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
San Mateo Rheumatology Inc.
San Mateo, California
Find Dr. Lambert'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. Rhonda Elaine Lambert is a rheumatologist in San Mateo, California
Dr. Lambert practices at San Mateo Rheumatology Inc. in San Mateo, California.
Dr. Lambert's NPI, 1942230230, was assigned on July 3, 2006. Dr. Lambert graduated from UT Southwestern Medical Center in 1983. Dr. Lambert holds California license A41349.
- NPI
- 1942230230NPI Registry (opens in a new tab)
- NPI enumeration date
- July 3, 2006
- NPI status
- Active
- Practice phone
- (650) 348-6011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Rhonda Elaine Lambert practices at San Mateo Rheumatology Inc. in San Mateo, California
Dr. Lambert's primary practice is San Mateo Rheumatology Inc., at 101 S San Mateo Dr, San Mateo, CA 94401 in San Mateo County. The practice phone is (650) 348-6011.
- San Mateo Rheumatology Inc.101 S San Mateo Dr, San Mateo, CA 94401 · San Mateo CountyPhone(650) 348-6011
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Rhonda Elaine Lambert is affiliated with 2 sites of care and 2 medical groups
Dr. Lambert's primary practice is San Mateo Rheumatology Inc. in San Mateo, California. The medical group on file is San Mateo Rheumatology. Dmand AI also links Dr. Lambert to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Rhonda Elaine Lambert's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lambert practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Mateo Rheumatology Inc. | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Rhonda Elaine Lambert is one of 821 rheumatologists in California
Rheumatology is Dr. Lambert's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Lambert is board certified in internal medicine by the American Board of Internal Medicine. Dr. Lambert is licensed in California.
Specialties and state licenses
- Rheumatology, CaliforniaPrimary
Clinical focus
Dmand AI lists arteritis, arthritis, fibromyalgia and chronic pain, gout, joint arthropathy, joint pain, lupus and muscle pain, fibromyalgia, and limb pain among the conditions Dr. Lambert treats.
Rheumatologists near Dr. Lambert
Counts of rheumatologists 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. Rhonda Elaine Lambert billed Medicare for 108 services in 2024
CMS data shows 108 Medicare services from Dr. Lambert across 3 procedure codes in 2024, for 74 Medicare patients. Medicare paid $11,797 for them. Every service was in an office.
Dr. Lambert's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7242024: 6092%
- Other services
- 2023: 02024: 27
- Tests and treatments
- 2023: 2702024: 2192%
- Drugs given in the office
- 2023: 9,0962024: 0100%
- Surgery
- 2023: 892024: 0100%
Dr. Lambert compared with the California median for rheumatologists, 2024
- Dr. Lambert
- California median
- Medicare services
- 108vs 90088% below
- Medicare patients
- 74vs 21666% below
- Part D claims
- 688vs 96228% below
Medians across 773 rheumatologists in California with Dmand AI profiles that report each measure.
Dr. Lambert'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. Lambert?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lambert and other rheumatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rhonda Elaine Lambert treated 74 Medicare patients in 2024, average age 75
CMS counts 74 Medicare patients who saw Dr. Lambert in 2024. The largest group is 65 to 74, with 32 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.56, 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. Lambert's median patient age at 71, with 78% women.
Dr. Lambert's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lambert's Medicare patients by sex, 2024
- Women5878%
- Men1622%
Chronic conditions among Dr. Lambert's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol68%
- Osteoporosis49%
- Ischemic heart disease27%
- Anxiety23%
- Mood disorders23%
- Atrial fibrillation22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lambert's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women78%
- Men17%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rhonda Elaine Lambert wrote 1,112 Medicare Part D claims in 2024
In 2024, Dr. Lambert wrote 1,112 Medicare Part D claims for 158 patients. 82% of them were for generic drugs. CMS names the drug for 688 of them, across 27 drugs with 11 or more claims each, at $399,798 in total drug cost. In 2023, CMS named 2,152 claims across 60 drugs.
Dr. Lambert's Part D claims by kind of drug, 2024
- Generic917 claims82%
- Brand-name and other195 claims18%
Dr. Lambert'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. Lambert's Part D claims, 2024
- Opioids9%95 of 1,112 claims
- Antibiotics2%17 of 1,112 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: 2,1522024: 68868%
Drugs named by CMS: 27 in 2024, 60 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
Dr. Rhonda Elaine Lambert scored 80 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Lambert for performance year 2024, reported as part of a group.
Dr. Lambert's MIPS scores, performance year 2024
- 80of 100Final score
- 89.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 43of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Rhonda Elaine Lambert received $1,693,134 in industry payments from 2016 to 2025
CMS Open Payments shows 3,304 general payments to Dr. Lambert from 44 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 72% of the total. Pfizer Inc. paid the most, $412,960.
General payments to Dr. Lambert by program year, 2016 to 2025
General payments to Dr. Lambert by kind, 2016 to 2025
- Speaker and faculty fees$1,224,25372%
- Consulting fees$236,73314%
- Travel and lodging$158,0309%
- Food and beverage$65,8614%
- Other$8,2570%
Companies that paid Dr. Lambert the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rhonda Elaine Lambert graduated from UT Southwestern Medical Center
Dr. Lambert graduated from UT Southwestern Medical Center in 1983.
- Medical school
- Board certified in internal medicine
- Board certified in rheumatology
Source: Dmand AI Professional Profile Data
Dr. Rhonda Elaine Lambert accepts plans from 7 insurance carriers
Dr. Lambert is in network with 7 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Molina
Plan types Dr. Lambert accepts, by number of carriers
- Medicare7
- PPO6
- HMO3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Rhonda Elaine Lambert'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 DataDmand AI Affiliation 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 | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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. Rhonda Elaine Lambert
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. Rhonda Elaine Lambert's NPI number?
Dr. Rhonda Elaine Lambert's NPI number is 1942230230. It was assigned on July 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Rhonda Elaine Lambert?
Dr. Rhonda Elaine Lambert is a rheumatologist in San Mateo, California. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Rhonda Elaine Lambert practice?
Dr. Lambert practices at 101 S San Mateo Dr, San Mateo, CA 94401. Dr. Lambert's primary practice is San Mateo Rheumatology Inc. in San Mateo, California. Dmand AI also links Dr. Lambert to 1 group practice or clinic and 1 medical group.
What is Dr. Rhonda Elaine Lambert's office phone number?
The practice phone on file for Dr. Lambert is (650) 348-6011.
What is Dr. Rhonda Elaine Lambert's medical license number?
Dr. Lambert holds California license A41349.
What medical group is Dr. Rhonda Elaine Lambert part of?
Dr. Lambert is linked to San Mateo Rheumatology. Dmand AI links Dr. Lambert to 1 more medical group.
Does Dr. Rhonda Elaine Lambert accept Medicare?
Yes. CMS data shows Dr. Lambert billed Medicare for 108 services in 2024.
What is Dr. Rhonda Elaine Lambert's MIPS score?
Dr. Lambert's MIPS final score for performance year 2024 is 80 out of 100, reported as part of a group.
How many Medicare patients does Dr. Rhonda Elaine Lambert see?
CMS counts 74 Medicare patients who saw Dr. Lambert in 2024, with an average age of 75.
Is Dr. Rhonda Elaine Lambert board certified?
Yes. Dr. Lambert is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Rhonda Elaine Lambert bill to Medicare?
In 2024, Dr. Lambert's most billed Medicare services were office visit, established patient (99215), medicare service (G2211) and infusion or chemotherapy administration (96413).
Where did Dr. Rhonda Elaine Lambert go to medical school?
Dr. Lambert graduated from UT Southwestern Medical Center in 1983.
What drugs does Dr. Rhonda Elaine Lambert prescribe most?
In 2024 Medicare Part D data, Dr. Lambert's most prescribed drugs by claims were Prednisone, Hydroxychloroquine Sulfate and Methotrexate.
Has Dr. Rhonda Elaine Lambert received payments from drug or device companies?
CMS Open Payments shows $1,693,134 in general payments to Dr. Lambert from 44 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Rhonda Elaine Lambert been practicing?
Dr. Lambert graduated from medical school in 1983, 43 years ago.
What insurance does Dr. Rhonda Elaine Lambert accept?
Dr. Lambert is in network with 7 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
Selling to rheumatology practices?
See rheumatologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card