Dr. Spenser Chen, MD
- Medicare services, 2022
- 791
- Part D claims, 2023
- 550
- Industry payments
- $7,618
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 101 W Avenida Vista Hermosa, San Clemente, CA 92672
- Practice phone
- Call (949) 891-0328
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Crossover Health
San Clemente, 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. Spenser Chen is an internist in San Clemente, California
Dr. Chen practices at Crossover Health in San Clemente, California.
Dr. Chen's NPI, 1386633022, was assigned on October 16, 2005. Dr. Chen graduated from Joe R. & Teresa Lozano Long School of Medicine in 1995. Dr. Chen's Texas license number on file is K1991.
- NPI
- 1386633022NPI Registry (opens in a new tab)
- NPI enumeration date
- October 16, 2005
- NPI status
- Active
- Practice phone
- (949) 891-0328
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Spenser Chen practices at Crossover Health in San Clemente, California
Dr. Chen's primary practice is Crossover Health, at 101 W Avenida Vista Hermosa, San Clemente, CA 92672 in Orange County. The practice phone is (949) 891-0328.
- Crossover Health101 W Avenida Vista Hermosa, San Clemente, CA 92672 · Orange CountyPhone(949) 891-0328
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Spenser Chen is affiliated with 2 sites of care and 1 medical group
Dr. Chen's primary practice is Crossover Health in San Clemente, California. Dmand AI also links Dr. Chen to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Spenser Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Crossover Health | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Spenser 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. Dr. Chen has a license on file in Texas.
Specialties and state licenses
- Internal medicine, TexasPrimary
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. Spenser Chen billed Medicare for 791 services in 2022
CMS data shows 791 Medicare services from Dr. Chen across 8 procedure codes in 2022. Medicare paid $50,158 for them. Every service was in an office.
Dr. Chen's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 1,0292022: 62140%
- Other services
- 2021: 3192022: 17047%
Dr. Chen compared with the California median for internists, 2022
- Dr. Chen
- California median
- Medicare services
- 791vs 3612.2 times
- Part D claims
- 550vs 42131% above
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Chen's most billed Medicare procedure codes, 2022
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. Spenser Chen's patients have a median age of 41
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 41, with 28% women.
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 41
Patient panel by sex, all payers
- Women28%
- Men71%
Source: Dmand AI Patient Panel Data
Dr. Spenser Chen wrote 550 Medicare Part D claims in 2023
In 2023, Dr. Chen wrote 550 Medicare Part D claims. They cover 26 drugs, with $68,427 in total drug cost. In 2022, CMS named 6,156 claims across 104 drugs.
Dr. Chen's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 6,1562023: 55091%
Drugs named by CMS: 26 in 2023, 104 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Spenser Chen received $7,618 in industry payments from 2016 to 2025
CMS Open Payments shows 215 general payments to Dr. Chen from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Janssen Pharmaceuticals, Inc paid the most, $2,987.
General payments to Dr. Chen by program year, 2016 to 2025
General payments to Dr. Chen by kind, 2016 to 2025
- Food and beverage$7,45898%
- Gifts$1252%
- Education$350%
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. Spenser Chen has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chen, most recently CMS Stage 1 2012 in 2012.
Awards and honors for Dr. Chen
- 2012
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Spenser Chen graduated from Joe R. & Teresa Lozano Long School of Medicine
Dr. Chen graduated from Joe R. & Teresa Lozano Long School of Medicine in 1995.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Spenser 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 |
| 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. Spenser 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. Spenser Chen's NPI number?
Dr. Spenser Chen's NPI number is 1386633022. It was assigned on October 16, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Spenser Chen?
Dr. Spenser Chen is an internist in San Clemente, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Spenser Chen practice?
Dr. Chen practices at 101 W Avenida Vista Hermosa, San Clemente, CA 92672. Dr. Chen's primary practice is Crossover Health in San Clemente, California. Dmand AI also links Dr. Chen to 1 group practice or clinic and 1 medical group.
What is Dr. Spenser Chen's office phone number?
The practice phone on file for Dr. Chen is (949) 891-0328.
What is Dr. Spenser Chen's medical license number?
Dr. Chen's Texas license number on file is K1991.
Does Dr. Spenser Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 791 services in 2022.
Is Dr. Spenser Chen board certified?
Yes. Dr. Chen is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Spenser Chen bill to Medicare?
In 2022, Dr. Chen's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and medicare service (G0439).
Where did Dr. Spenser Chen go to medical school?
Dr. Chen graduated from Joe R. & Teresa Lozano Long School of Medicine in 1995.
What drugs does Dr. Spenser Chen prescribe most?
In 2023 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
Has Dr. Spenser Chen received payments from drug or device companies?
CMS Open Payments shows $7,618 in general payments to Dr. Chen from 24 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Spenser Chen been practicing?
Dr. Chen graduated from medical school in 1995, 31 years ago.
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