Dr. David Lawrence Chamberland, MD

  • Ashland, OR
  • Rheumatologist
NPI1447293311PAC ID7719980242
Medicare services, 2024
202,036
Medicare patients, 2024
479
Part D claims, 2024
2,477
MIPS score, 2024
100
Hospital affiliations
5
Practice address
1801 Highway 99 N, Ashland, OR 97520
Practice phone
Call (541) 625-6555
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

David Dryland

Ashland, Oregon

See all 10 affiliations

Find Dr. Chamberland'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.

View contacts for free

Dr. David Lawrence Chamberland is a rheumatologist in Ashland, Oregon

Dr. Chamberland practices at David Dryland in Ashland, Oregon.

Dr. Chamberland's NPI, 1447293311, was assigned on June 14, 2006. Dr. Chamberland graduated from Oregon Health Sciences University School of Medicine in 2001. Dr. Chamberland holds Oregon license MD26693.

NPI and contact details
Medicare PAC ID
7719980242
NPI enumeration date
June 14, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(541) 625-6555
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
51
Medical school graduation
2001

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. David Lawrence Chamberland practices at David Dryland in Ashland, Oregon

Dr. Chamberland's primary practice is David Dryland, at 1801 Highway 99 N, Ashland, OR 97520 in Jackson County. The practice phone is (541) 625-6555.

  • David Dryland
    1801 Highway 99 N, Ashland, OR 97520 · Jackson CountyPhone(541) 625-6555

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. David Lawrence Chamberland is affiliated with 8 sites of care and 2 medical groups

Dr. Chamberland's primary practice is David Dryland in Ashland, Oregon. Dr. Chamberland is also affiliated with Asante Rogue Regional Medical Center. The medical group on file is Southern Oregon Rheumatology Clinic. Dmand AI also links Dr. Chamberland to 4 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 10 affiliations for Dr. Chamberland

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. David Lawrence Chamberland's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chamberland practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
David DrylandAvailable with a free account
+7 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Chamberland practices

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. David Lawrence Chamberland is one of 81 rheumatologists in Oregon

Rheumatology is Dr. Chamberland's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Chamberland is licensed in Oregon.

Specialties and state licenses

  • Rheumatology, OregonPrimaryLicense MD26693 · taxonomy 207RR0500X

Rheumatologists near Dr. Chamberland

Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.

81rheumatologists in Oregon
3rheumatologists in Ashland

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. David Lawrence Chamberland billed Medicare for 202,036 services in 2024

CMS data shows 202,036 Medicare services from Dr. Chamberland across 46 procedure codes in 2024, for 479 Medicare patients. Medicare paid $2,665,673 for them. Every service was in an office.

Medicare services, 2024202,036
Medicare patients479
Paid by Medicare$2.7M
Procedure codes46

Dr. Chamberland's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 202,8212024: 195,6164%
Lab and pathology
2023: 4,0322024: 2,58236%
Tests and treatments
2023: 1,8792024: 1,881No change
Office and hospital visits
2023: 1,2152024: 1,06612%
Surgery
2023: 8202024: 71513%
Imaging
2023: 1402024: 1279%
Other services
2023: 5,2662024: 4999%

Dr. Chamberland compared with the Oregon median for rheumatologists, 2024

  • Dr. Chamberland
  • Oregon median
Medicare services
202,036vs 836241.7 times
Medicare patients
479vs 1982.4 times
Part D claims
2,343vs 1,44163% above

Medians across 88 rheumatologists in Oregon with Dmand AI profiles that report each measure.

Dr. Chamberland'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.

See all procedures by Dr. Chamberland

Need commercial claims for Dr. Chamberland?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chamberland and other rheumatologists in Oregon.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. David Lawrence Chamberland treated 479 Medicare patients in 2024, average age 73

CMS counts 479 Medicare patients who saw Dr. Chamberland in 2024. The largest group is 65 to 74, with 233 patients. 75% of them have arthritis, and 68% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.38, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chamberland's median patient age at 65, with 76% women.

Medicare patients, 2024479
Average age73
Average risk score1.38
Also on Medicaid10%

Dr. Chamberland's Medicare patients by age, 2024

Dr. Chamberland's Medicare patients by sex, 2024

  • Women35775%
  • Men12225%

Chronic conditions among Dr. Chamberland's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure68%
  3. High cholesterol66%
  4. Osteoporosis29%
  5. Diabetes25%
  6. Mood disorders24%
  7. Chronic kidney disease21%
  8. Depression21%

Share of Medicare patients with each condition. A patient can have several.

Dr. Chamberland's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women76%
  • Men23%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. David Lawrence Chamberland wrote 2,477 Medicare Part D claims in 2024

In 2024, Dr. Chamberland wrote 2,477 Medicare Part D claims for 451 patients. 84% of them were for generic drugs. CMS names the drug for 2,343 of them, across 36 drugs with 11 or more claims each, at $1,482,397 in total drug cost. In 2023, CMS named 2,399 claims across 31 drugs.

Part D claims, 20242,477
Drugs named by CMS36
Total drug cost$1.5M
Part D patients451

Dr. Chamberland's Part D claims by kind of drug, 2024

  • Generic2,092 claims84%
  • Brand-name and other385 claims16%

Dr. Chamberland'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. Chamberland's Part D claims, 2024

  • Opioids9%234 of 2,477 claims
  • Antibiotics1%17 of 2,477 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: 2,3992024: 2,3432%

Drugs named by CMS: 36 in 2024, 31 in 2023.

See all prescribing by Dr. Chamberland

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. David Lawrence Chamberland scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Chamberland for performance year 2024, reported as part of a group. Dr. Chamberland accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Chamberland's MIPS scores, performance year 2024

  • 100of 100Final score
  • 99.7of 100Quality
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

Find rheumatologists like Dr. Chamberland by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. David Lawrence Chamberland received $1,018 in industry payments from 2016 to 2025

CMS Open Payments shows 60 general payments to Dr. Chamberland from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 82% of the total. Genentech, Inc. paid the most, $225.

General payments to Dr. Chamberland by program year, 2016 to 2025

General payments to Dr. Chamberland by kind, 2016 to 2025

$1Kin total
  • Food and beverage$83182%
  • Education$18718%

Companies that paid Dr. Chamberland the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chamberland

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. David Lawrence Chamberland graduated from Oregon Health Sciences University School of Medicine

Dr. Chamberland graduated from Oregon Health Sciences University School of Medicine in 2001.

  1. Medical schoolOregon Health Sciences University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. David Lawrence Chamberland's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. David Lawrence Chamberland

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. David Lawrence Chamberland's NPI number?

Dr. David Lawrence Chamberland's NPI number is 1447293311. It was assigned on June 14, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. David Lawrence Chamberland?

Dr. David Lawrence Chamberland is a rheumatologist in Ashland, Oregon. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).

Where does Dr. David Lawrence Chamberland practice?

Dr. Chamberland practices at 1801 Highway 99 N, Ashland, OR 97520. Dr. Chamberland's primary practice is David Dryland in Ashland, Oregon. Dmand AI also links Dr. Chamberland to 4 hospitals, 2 group practices and clinics and 1 medical group.

What is Dr. David Lawrence Chamberland's office phone number?

The practice phone on file for Dr. Chamberland is (541) 625-6555.

What is Dr. David Lawrence Chamberland's medical license number?

Dr. Chamberland holds Oregon license MD26693.

Which hospitals is Dr. David Lawrence Chamberland affiliated with?

Dr. Chamberland is affiliated with Asante Rogue Regional Medical Center. Dmand AI links Dr. Chamberland to 4 more hospitals.

What medical group is Dr. David Lawrence Chamberland part of?

Dr. Chamberland is linked to Southern Oregon Rheumatology Clinic. Dmand AI links Dr. Chamberland to 1 more medical group.

Does Dr. David Lawrence Chamberland accept Medicare?

Yes. CMS data shows Dr. Chamberland billed Medicare for 202,036 services in 2024, and Dr. Chamberland accepts Medicare assignment.

What is Dr. David Lawrence Chamberland's MIPS score?

Dr. Chamberland's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.

How many Medicare patients does Dr. David Lawrence Chamberland see?

CMS counts 479 Medicare patients who saw Dr. Chamberland in 2024, with an average age of 73.

Show 5 more questionsShow fewer questions

What services does Dr. David Lawrence Chamberland bill to Medicare?

In 2024, Dr. Chamberland's most billed Medicare services were injected or infused drug (J3262), injected or infused drug (J0717) and injected or infused drug (J0129).

Where did Dr. David Lawrence Chamberland go to medical school?

Dr. Chamberland graduated from Oregon Health Sciences University School of Medicine in 2001.

What drugs does Dr. David Lawrence Chamberland prescribe most?

In 2024 Medicare Part D data, Dr. Chamberland's most prescribed drugs by claims were Methotrexate, Hydroxychloroquine Sulfate and Prednisone.

Has Dr. David Lawrence Chamberland received payments from drug or device companies?

CMS Open Payments shows $1,018 in general payments to Dr. Chamberland from 21 companies from 2016 to 2025. The largest total came from Genentech, Inc.

How long has Dr. David Lawrence Chamberland been practicing?

Dr. Chamberland graduated from medical school in 2001, 25 years ago.

Selling to rheumatology practices?

See rheumatologists in Oregon 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)