Dr. Alexander King Chen, MD
- Medicare services, 2024
- 3,594
- Medicare patients, 2024
- 676
- Part D claims, 2024
- 22,296
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Practice address
- 632 W. Gibson Rd, Woodland, CA 95695
- Practice phone
- Call (530) 668-2632
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Primary & Specialty Care - Dignity Health Woodland Clinic
Mammography / Breast Imaging Center · Woodland, California
Find Dr. Chen'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. Alexander King Chen is an internist in Woodland, California
Dr. Chen practices at Primary & Specialty Care - Dignity Health Woodland Clinic in Woodland, California.
Dr. Chen's NPI, 1164537858, was assigned on August 20, 2006. Dr. Chen graduated from John A. Burns School of Medicine in 1990. Dr. Chen holds California license G85900.
- NPI
- 1164537858NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517030919
- NPI enumeration date
- August 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (530) 668-2632
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alexander King Chen practices at Primary & Specialty Care - Dignity Health Woodland Clinic in Woodland, California
Dr. Chen's primary practice is Primary & Specialty Care - Dignity Health Woodland Clinic, at 632 W. Gibson Rd, Woodland, CA 95695. The practice phone is (530) 668-2632.
- Primary & Specialty Care - Dignity Health Woodland Clinic632 W. Gibson Rd, Woodland, CA 95695Phone(530) 668-2632
Source: Dmand AI Affiliation Data
Dr. Alexander King Chen is affiliated with 10 sites of care and 1 medical group
Dr. Chen's primary practice is Primary & Specialty Care - Dignity Health Woodland Clinic in Woodland, California. Dr. Chen is also affiliated with Dignity Health - Woodland Memorial Hospital. The medical group on file is Mercy Medical Group. Dmand AI also links Dr. Chen to 5 more home health agencies, 1 group practice or clinic, 1 hospice and 1 skilled nursing facility, each named with a free account. Dr. Chen's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alexander King Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Primary & Specialty Care - Dignity Health Woodland Clinic | Available with a free account |
| +9 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alexander King Chen is one of 16,751 internists in California
Internal medicine is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chen is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Chen's licenses on file in 3 states: California, New York and Connecticut.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- New York license
- Connecticut license
Clinical focus
Dmand AI lists acid reflux, acute gastroduodenitis, acute sinusitis, acute skin infection, adjustment disease, alcohol use disorders, alzheimer's disease and aneurysm among the conditions Dr. Chen treats.
Internists near Dr. Chen
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. Alexander King Chen billed Medicare for 3,594 services in 2024
CMS data shows 3,594 Medicare services from Dr. Chen across 25 procedure codes in 2024, for 676 Medicare patients. Medicare paid $211,957 for them.
Dr. Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 02024: 1,320
- Office and hospital visits
- 2023: 1,2472024: 1,2621%
- Other services
- 2023: 4332024: 4719%
- Tests and treatments
- 2023: 3302024: 39921%
- Lab and pathology
- 2023: 1212024: 1164%
- Surgery
- 2023: 292024: 2610%
Where Dr. Chen's Medicare services took place, 2024
- In an office3,55799%
- In a facility371%
Dr. Chen compared with the California median for internists, 2024
- Dr. Chen
- California median
- Medicare services
- 3,594vs 36110.0 times
- Medicare patients
- 676vs 1514.5 times
- Part D claims
- 21,439vs 42150.9 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Chen'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alexander King Chen treated 676 Medicare patients in 2024, average age 77
CMS counts 676 Medicare patients who saw Dr. Chen in 2024. The largest group is 75 to 84, with 252 patients. 75% of them have high blood pressure, and 66% have high cholesterol. 29% are also on Medicaid. Their average risk score is 1.26, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 70, with 55% women.
Dr. Chen's Medicare patients by age, 2024
Dr. Chen's Medicare patients by sex, 2024
- Women39859%
- Men27841%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol66%
- Arthritis46%
- Diabetes34%
- Chronic kidney disease31%
- Mood disorders27%
- Depression22%
- Anxiety20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alexander King Chen wrote 22,296 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 22,296 Medicare Part D claims for 1,143 patients. 89% of them were for generic drugs. CMS names the drug for 21,439 of them, across 237 drugs with 11 or more claims each, at $1,507,788 in total drug cost. In 2023, CMS named 20,290 claims across 231 drugs.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic19,805 claims89%
- Brand-name2,384 claims11%
- Other107 claims0%
Dr. Chen'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. Chen's Part D claims, 2024
- Opioids5%1,125 of 22,296 claims
- Antibiotics1%241 of 22,296 claims
- Antipsychotics, patients 65 and over1%152 of 22,296 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: 20,2902024: 21,4396%
Drugs named by CMS: 237 in 2024, 231 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. Alexander King Chen 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. Chen for performance year 2024, reported through an alternative payment model (APM). Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Chen's MIPS scores, performance year 2024
- 100of 100Final score
- 86.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal of skin lesions: 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)
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Dr. Alexander King Chen received $214 in industry payments from 2017 to 2024
CMS Open Payments shows 5 general payments to Dr. Chen from 4 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $137.
General payments to Dr. Chen by program year, 2017 to 2024
Companies that paid Dr. Chen the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alexander King Chen has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chen, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Chen
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Alexander King Chen graduated from John A. Burns School of Medicine
Dr. Chen graduated from John A. Burns School of Medicine in 1990. Dr. Chen is a member of ACP, AMA, California Medical Association and Sierra Sacramento Valley Medical Society.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Alexander King Chen accepts plans from 12 insurance carriers
Dr. Chen is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- +4 more carriersWith a free account
Plan types Dr. Chen accepts, by number of carriers
- PPO8
- HMO6
- Medicare6
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Alexander King Chen'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) |
| 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. Alexander King Chen
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. Alexander King Chen's NPI number?
Dr. Alexander King Chen's NPI number is 1164537858. It was assigned on August 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexander King Chen?
Dr. Alexander King Chen is an internist in Woodland, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Alexander King Chen practice?
Dr. Chen practices at 632 W. Gibson Rd, Woodland, CA 95695. Dr. Chen's primary practice is Primary & Specialty Care - Dignity Health Woodland Clinic in Woodland, California. Dmand AI also links Dr. Chen to 5 home health agencies, 1 group practice or clinic, 1 hospice and 1 skilled nursing facility.
What is Dr. Alexander King Chen's office phone number?
The practice phone on file for Dr. Chen is (530) 668-2632.
What is Dr. Alexander King Chen's medical license number?
Dr. Chen holds California license G85900, one of the licenses on file in 3 states.
Which states has Dr. Alexander King Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in California (2000 to 2026), New York (1996 to 2001) and Connecticut (2000).
Which hospitals is Dr. Alexander King Chen affiliated with?
Dr. Chen is affiliated with Dignity Health - Woodland Memorial Hospital.
What medical group is Dr. Alexander King Chen part of?
Dr. Chen is linked to Mercy Medical Group.
Does Dr. Alexander King Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 3,594 services in 2024, and Dr. Chen accepts Medicare assignment.
Does Dr. Alexander King Chen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chen as offering telehealth services.
Show 9 more questionsShow fewer questions
What is Dr. Alexander King Chen's MIPS score?
Dr. Chen's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Alexander King Chen see?
CMS counts 676 Medicare patients who saw Dr. Chen in 2024, with an average age of 77.
Is Dr. Alexander King Chen board certified?
Yes. Dr. Chen is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Alexander King Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were injected or infused drug (J0897), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Alexander King Chen go to medical school?
Dr. Chen graduated from John A. Burns School of Medicine in 1990.
What drugs does Dr. Alexander King Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Losartan Potassium.
Has Dr. Alexander King Chen received payments from drug or device companies?
CMS Open Payments shows $214 in general payments to Dr. Chen from 4 companies from 2017 to 2024. The largest total came from Amgen Inc.
How long has Dr. Alexander King Chen been practicing?
Dr. Chen graduated from medical school in 1990, 36 years ago.
What insurance does Dr. Alexander King Chen accept?
Dr. Chen is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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