Dr. Amber Leighan Chatwin, MD
- Medicare services, 2024
- 16
- Medicare patients, 2024
- 44
- Part D claims, 2024
- 214
- Publications
- 1
- MIPS score, 2024
- 91
- Practice address
- 15230 Lakeshore Drive, Clearlake, CA 95422
- Practice phone
- Call (707) 994-0407
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Adventist Health Clear Lake - Clearlake
Rural Health Clinic - Hospital-Owned · Clearlake, California
Find Dr. Chatwin'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. Amber Leighan Chatwin is an orthopedic surgeon in Clearlake, California
Dr. Chatwin practices at Adventist Health Clear Lake - Clearlake in Clearlake, California.
Dr. Chatwin's NPI, 1669582433, was assigned on August 30, 2006. Dr. Chatwin graduated from Drexel University College Of Medicine in 1994. Dr. Chatwin holds California license A72130.
- NPI
- 1669582433NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103977046
- NPI enumeration date
- August 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 994-0407
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Amber Leighan Chatwin practices at Adventist Health Clear Lake - Clearlake in Clearlake, California
Dr. Chatwin's primary practice is Adventist Health Clear Lake - Clearlake, at 15230 Lakeshore Drive, Clearlake, CA 95422. The practice phone is (707) 994-0407.
- Adventist Health Clear Lake - Clearlake15230 Lakeshore Drive, Clearlake, CA 95422Phone(707) 994-0407
Source: Dmand AI Affiliation Data
Dr. Amber Leighan Chatwin is affiliated with 5 sites of care and 3 medical groups
Dr. Chatwin's primary practice is Adventist Health Clear Lake - Clearlake in Clearlake, California. Dr. Chatwin is also affiliated with Adventist Health Clear Lake. The medical group on file is Adventist Health Clear Lake. Dmand AI also links Dr. Chatwin to 3 more hospitals and 2 medical groups, each named with a free account. Dr. Chatwin's employer is on file too: a rural health clinic (rhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Amber Leighan Chatwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chatwin practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Clear Lake - Clearlake | Available with a free account |
| +4 more sites and 2 medical groups | 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. Amber Leighan Chatwin is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Chatwin's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Chatwin is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Chatwin's licenses on file in 3 states: California, Florida and Pennsylvania.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
- Florida license
- Pennsylvania license
Clinical focus
Dmand AI lists arm, wrist, hand fracture and dislocation, arthritis, bursitis, enthesopathy in arms, joint pain, knee arthroscopy, knee injury and knee replacement among the conditions Dr. Chatwin treats.
Orthopedic surgeons near Dr. Chatwin
Counts of orthopedic surgeons 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. Amber Leighan Chatwin billed Medicare for 16 services in 2024
CMS data shows 16 Medicare services from Dr. Chatwin across 1 procedure code in 2024, for 44 Medicare patients. Medicare paid $1,647 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chatwin's Medicare services by type, 2021 to 2024
- 2021
- 2024
- Office and hospital visits
- 2021: 502024: 1668%
Dr. Chatwin compared with the California median for orthopedic surgeons, 2024
- Dr. Chatwin
- California median
- Medicare services
- 16vs 68398% below
- Medicare patients
- 44vs 21580% below
- Part D claims
- 165vs 702.4 times
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Chatwin'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. Chatwin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chatwin and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Amber Leighan Chatwin treated 44 Medicare patients in 2024, average age 75
CMS counts 44 Medicare patients who saw Dr. Chatwin in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 57% are also on Medicaid. Their average risk score is 1.47, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chatwin's median patient age at 69, with 62% women.
Dr. Chatwin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chatwin's Medicare patients by sex, 2024
- Women3170%
- Men1330%
Chronic conditions among Dr. Chatwin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis68%
- Mood disorders43%
- Depression36%
- Diabetes36%
- Tobacco use34%
- Anxiety30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chatwin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Amber Leighan Chatwin wrote 214 Medicare Part D claims in 2024
In 2024, Dr. Chatwin wrote 214 Medicare Part D claims for 76 patients. 100% of them were for generic drugs. CMS names the drug for 165 of them, across 6 drugs with 11 or more claims each, at $1,774 in total drug cost. In 2023, CMS named 176 claims across 7 drugs.
Dr. Chatwin's Part D claims by kind of drug, 2024
- Generic213 claims100%
- Brand-name and other1 claims0%
Dr. Chatwin'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. Chatwin's Part D claims, 2024
- Opioids14%30 of 214 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: 1762024: 1656%
Drugs named by CMS: 6 in 2024, 7 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. Amber Leighan Chatwin scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Chatwin for performance year 2024, reported as part of a group. Dr. Chatwin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Chatwin's MIPS scores, performance year 2024
- 91of 100Final score
- 94of 100Quality
- 92of 100Promoting Interoperability
- 40of 100Improvement Activities
- 65of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Knee replacement: 1 to 10 procedures (CMS shows small counts as a range)
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper limb (arm) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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. Amber Leighan Chatwin has 1 publication on record
Dmand AI links 1 paper to Dr. Chatwin.
Recent publications by Dr. Chatwin
See who Dr. Chatwin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chatwin works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Amber Leighan Chatwin received $5,414 in industry payments from 2016 to 2025
CMS Open Payments shows 45 general payments to Dr. Chatwin from 7 drug and device companies from 2016 to 2025. Education make up the largest share, 50% of the total. Arthrex, Inc. paid the most, $2,085.
General payments to Dr. Chatwin by program year, 2016 to 2025
General payments to Dr. Chatwin by kind, 2016 to 2025
- Education$2,72250%
- Food and beverage$2,43245%
- Travel and lodging$2605%
Companies that paid Dr. Chatwin 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. Amber Leighan Chatwin has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chatwin, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Chatwin
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Amber Leighan Chatwin graduated from Drexel University College Of Medicine
Dr. Chatwin graduated from Drexel University College Of Medicine in 1994.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Amber Leighan Chatwin accepts plans from 11 insurance carriers
Dr. Chatwin is in network with 11 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +3 more carriersWith a free account
Plan types Dr. Chatwin accepts, by number of carriers
- Medicare8
- PPO8
- HMO6
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Amber Leighan Chatwin'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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Amber Leighan Chatwin
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. Amber Leighan Chatwin's NPI number?
Dr. Amber Leighan Chatwin's NPI number is 1669582433. It was assigned on August 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Amber Leighan Chatwin?
Dr. Amber Leighan Chatwin is an orthopedic surgeon in Clearlake, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Amber Leighan Chatwin practice?
Dr. Chatwin practices at 15230 Lakeshore Drive, Clearlake, CA 95422. Dr. Chatwin's primary practice is Adventist Health Clear Lake - Clearlake in Clearlake, California. Dmand AI also links Dr. Chatwin to 3 hospitals and 2 medical groups.
What is Dr. Amber Leighan Chatwin's office phone number?
The practice phone on file for Dr. Chatwin is (707) 994-0407.
What is Dr. Amber Leighan Chatwin's medical license number?
Dr. Chatwin holds California license A72130, one of the licenses on file in 3 states.
Which states has Dr. Amber Leighan Chatwin been licensed in?
Dmand AI has state licenses on file for Dr. Chatwin in California (2000 to 2027), Florida (1999 to 2002) and Pennsylvania (1997).
Which hospitals is Dr. Amber Leighan Chatwin affiliated with?
Dr. Chatwin is affiliated with Adventist Health Clear Lake. Dmand AI links Dr. Chatwin to 3 more hospitals.
What medical group is Dr. Amber Leighan Chatwin part of?
Dr. Chatwin is linked to Adventist Health Clear Lake. Dmand AI links Dr. Chatwin to 2 more medical groups.
Does Dr. Amber Leighan Chatwin accept Medicare?
Yes. CMS data shows Dr. Chatwin billed Medicare for 16 services in 2024, and Dr. Chatwin accepts Medicare assignment.
What is Dr. Amber Leighan Chatwin's MIPS score?
Dr. Chatwin's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
Show 9 more questionsShow fewer questions
How many Medicare patients does Dr. Amber Leighan Chatwin see?
CMS counts 44 Medicare patients who saw Dr. Chatwin in 2024, with an average age of 75.
Is Dr. Amber Leighan Chatwin board certified?
Yes. Dr. Chatwin is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
What services does Dr. Amber Leighan Chatwin bill to Medicare?
In 2024, Dr. Chatwin's most billed Medicare services were hospital inpatient care (99222).
Where did Dr. Amber Leighan Chatwin go to medical school?
Dr. Chatwin graduated from Drexel University College Of Medicine in 1994.
What drugs does Dr. Amber Leighan Chatwin prescribe most?
In 2024 Medicare Part D data, Dr. Chatwin's most prescribed drugs by claims were Celecoxib, Naproxen and Ibuprofen.
Has Dr. Amber Leighan Chatwin received payments from drug or device companies?
CMS Open Payments shows $5,414 in general payments to Dr. Chatwin from 7 companies from 2016 to 2025. The largest total came from Arthrex, Inc.
How long has Dr. Amber Leighan Chatwin been practicing?
Dr. Chatwin graduated from medical school in 1994, 32 years ago.
Does Dr. Amber Leighan Chatwin do research?
Dmand AI links 1 publication to Dr. Chatwin.
What insurance does Dr. Amber Leighan Chatwin accept?
Dr. Chatwin is in network with 11 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
Selling to orthopaedic surgery practices?
See orthopedic surgeons 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