Dr. Calvin Edward Chen, MD
- Medicare services, 2024
- 369
- Medicare patients, 2024
- 152
- Part D claims, 2024
- 1,885
- Industry payments
- $345
- Affiliated sites
- 3
- Practice address
- 701 E. El Camino Real, 1 Northwest, Mountain View, CA 94040
- Practice phone
- Call (408) 739-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Surgery Center Mountain View
Surgery Center - Medicare-Certified · Mountain View, 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. Calvin Edward Chen is a family medicine physician in Mountain View, California
Dr. Chen practices at Surgery Center Mountain View in Mountain View, California.
Dr. Chen's NPI, 1659369544, was assigned on October 13, 2005. Dr. Chen graduated from University of Illinois College of Medicine - Chicago in 1997. Dr. Chen holds California license A67042.
- NPI
- 1659369544NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446249445
- NPI enumeration date
- October 13, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (408) 739-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Calvin Edward Chen practices at Surgery Center Mountain View in Mountain View, California
Dr. Chen's primary practice is Surgery Center Mountain View, at 701 E. El Camino Real, 1 Northwest, Mountain View, CA 94040. The practice phone is (408) 739-6000.
- Surgery Center Mountain View701 E. El Camino Real, 1 Northwest, Mountain View, CA 94040Phone(408) 739-6000
Source: Dmand AI Affiliation Data
Dr. Calvin Edward Chen is affiliated with 3 sites of care and 1 medical group
Dr. Chen's primary practice is Surgery Center Mountain View in Mountain View, California. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Chen to 1 more group practice or clinic and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Calvin Edward Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Surgery Center Mountain View | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Calvin Edward Chen is one of 15,680 family medicine physicians in California
Family medicine is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Chen is board certified in family medicine by the American Board of Family Medicine. Dmand AI has Dr. Chen's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- Illinois license
Clinical focus
Dmand AI lists aneurysm, aortic atherosclerois, arthritis, asthma, atrial fibrillation and flutter, bladder disease, cardiomyopathy and chronic diabetes among the conditions Dr. Chen treats.
Family medicine physicians near Dr. Chen
Counts of family medicine physicians 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. Calvin Edward Chen billed Medicare for 369 services in 2024
CMS data shows 369 Medicare services from Dr. Chen across 9 procedure codes in 2024, for 152 Medicare patients. Medicare paid $35,948 for them. Every service was in an office.
Dr. Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2552024: 18926%
- Other services
- 2023: 1272024: 15320%
- Tests and treatments
- 2023: 212024: 2729%
Dr. Chen compared with the California median for family medicine physicians, 2024
- Dr. Chen
- California median
- Medicare services
- 369vs 24650% above
- Medicare patients
- 152vs 11829% above
- Part D claims
- 1,507vs 83381% above
Medians across 15,349 family medicine physicians 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 family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Calvin Edward Chen treated 152 Medicare patients in 2024, average age 75
CMS counts 152 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 73 patients. 75% of them have high cholesterol, and 73% have high blood pressure. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 56, with 41% women.
Dr. Chen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chen's Medicare patients by sex, 2024
- Women5134%
- Men10166%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Diabetes27%
- Arthritis22%
- Chronic kidney disease22%
- Ischemic heart disease19%
- Atrial fibrillation15%
- Osteoporosis11%
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 56
Patient panel by sex, all payers
- Women41%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Calvin Edward Chen wrote 1,885 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 1,885 Medicare Part D claims for 216 patients. 91% of them were for generic drugs. CMS names the drug for 1,507 of them, across 35 drugs with 11 or more claims each, at $130,648 in total drug cost. In 2023, CMS named 1,587 claims across 40 drugs.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic1,714 claims91%
- Brand-name and other171 claims9%
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
- Antibiotics1%19 of 1,885 claims
- Antipsychotics, patients 65 and over1%12 of 1,885 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: 1,5872024: 1,5075%
Drugs named by CMS: 35 in 2024, 40 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. Calvin Edward Chen offers telehealth to Medicare patients
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
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Calvin Edward Chen received $345 in industry payments from 2016 to 2025
CMS Open Payments shows 4 general payments to Dr. Chen from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $125.
General payments to Dr. Chen by program year, 2016 to 2025
Companies that paid Dr. Chen 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. Calvin Edward Chen graduated from University of Illinois College of Medicine - Chicago
Dr. Chen graduated from University of Illinois College of Medicine - Chicago in 1997.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Calvin Edward Chen accepts plans from 13 insurance carriers
Dr. Chen is in network with 13 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Alliant Health Plans
- HCSC
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- +5 more carriersWith a free account
Plan types Dr. Chen accepts, by number of carriers
- PPO8
- HMO6
- POS6
- EPO4
- Medicare4
Source: Dmand AI Insurance Network Data
Sources for Dr. Calvin Edward 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) |
| 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. Calvin Edward 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. Calvin Edward Chen's NPI number?
Dr. Calvin Edward Chen's NPI number is 1659369544. It was assigned on October 13, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Calvin Edward Chen?
Dr. Calvin Edward Chen is a family medicine physician in Mountain View, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Calvin Edward Chen practice?
Dr. Chen practices at 701 E. El Camino Real, 1 Northwest, Mountain View, CA 94040. Dr. Chen's primary practice is Surgery Center Mountain View in Mountain View, California. Dmand AI also links Dr. Chen to 1 group practice or clinic and 1 home health agency.
What is Dr. Calvin Edward Chen's office phone number?
The practice phone on file for Dr. Chen is (408) 739-6000.
What is Dr. Calvin Edward Chen's medical license number?
Dr. Chen holds California license A67042, one of the licenses on file in 2 states.
Which states has Dr. Calvin Edward Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in California (1998 to 2026) and Illinois (2000 to 2008).
What medical group is Dr. Calvin Edward Chen part of?
Dr. Chen is linked to Palo Alto Foundation Medical Group.
Does Dr. Calvin Edward Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 369 services in 2024, and Dr. Chen accepts Medicare assignment.
Does Dr. Calvin Edward Chen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chen as offering telehealth services.
How many Medicare patients does Dr. Calvin Edward Chen see?
CMS counts 152 Medicare patients who saw Dr. Chen in 2024, with an average age of 75.
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Is Dr. Calvin Edward Chen board certified?
Yes. Dr. Chen is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Calvin Edward Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and medicare service (G2211).
Where did Dr. Calvin Edward Chen go to medical school?
Dr. Chen graduated from University of Illinois College of Medicine - Chicago in 1997.
What drugs does Dr. Calvin Edward Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
Has Dr. Calvin Edward Chen received payments from drug or device companies?
CMS Open Payments shows $345 in general payments to Dr. Chen from 4 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Dr. Calvin Edward Chen been practicing?
Dr. Chen graduated from medical school in 1997, 29 years ago.
What insurance does Dr. Calvin Edward Chen accept?
Dr. Chen is in network with 13 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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