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Edit this profileAt a glance
- 632 W Gibson Rd, Woodland, CA 95695
About Dr. Chen
Alexander K. Chen, M.D. practices internal medicine in Woodland, CA. Alexander is a 1990 graduate of University of Hawaii John A. Burns School of Medicine. According to Medicare claims data, Alexander cared for 1,786 Medicare patients across 3,583 services. The services billed most often include injection, denosumab, 1 mg, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. The provider's National Provider Identifier (NPI) is 1164537858.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (530) 668-2600
- Email not available
Practice Locations
632 W GIBSON RD
Woodland, CA 95695
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
- Chronic kidney disease
- Enlarged prostate
Respiratory
Blood & Circulation
- Blood clots
Blood disorders
- Anemia
Brain & Nerves
Brain and nerves
Cardiac and vascular
- AFib
Digestive
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
- EKG
- Spirometry
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
- Pre-Op Clearance Exam
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
- Urinalysis
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
Office procedures
- Cryotherapy for skin lesions
- Earwax removal
- Incision and drainage of an abscess
- Skin biopsy
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
- Knee Joint Injection
Preventive & Routine Care
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
3,583 services · 1,786 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of impacted ear wax by washing | Procedure | 69209 |
26 | More often than most peers in Internal Medicine |
| Influenza vaccine, inactivated | Treatment | 90653 |
142 | More than most peers in Internal Medicine |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
88 | More than most peers in Internal Medicine |
| Sarscv2 vac 30mcg trs-suc im | Treatment | 91320 |
86 | More than most peers in Internal Medicine |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
42 | As often as other peers in Internal Medicine |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
15 | Less often than most peers in Internal Medicine |
| Influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage | Treatment | 90656 |
15 | Less often than most peers in Internal Medicine |
| Injection, denosumab, 1 mg | Drug given | J0897 |
1,320 | Less often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
546 | More often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
377 | More than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 27 related providers in 4 groups
Other internists in Woodland 4
Same specialty, same city.
Trained at University of Hawaii John A. Burns School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at University of Hawaii John A. Burns School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Removal of impacted ear wax by washing 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Alexander K. Chen's specialty?
Alexander K. Chen is an internist in Woodland, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find Alexander K. Chen?
Alexander K. Chen is listed at 632 W Gibson Rd, Woodland, CA 95695. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Alexander K. Chen?
The number on file is (530) 668-2600. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Alexander K. Chen's NPI number?
Alexander K. Chen's National Provider Identifier is 1164537858. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Alexander K. Chen's education?
Alexander K. Chen attended University of Hawaii John A. Burns School of Medicine, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How long has Alexander K. Chen been practicing?
Alexander K. Chen has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What is Alexander K. Chen known for?
According to Medicare billing data, Alexander K. Chen performs procedures including removal of impacted ear wax by washing; provides treatments such as influenza vaccine, inactivated and admn sarscov2 vacc 1 dose, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Alexander K. Chen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Alexander K. Chen. If this is you, claiming it is free.
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