Dr. Christopher Nelson, MD
- Medicare services, 2024
- 516
- Medicare patients, 2024
- 331
- Part D claims, 2024
- 103
- MIPS score, 2024
- 61
- Hospital affiliations
- 1
- Practice address
- 2105 Forest Avenue, San Jose, CA 95128
- Practice phone
- Call (408) 947-2831
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
O'Connor Hospital
Skilled Nursing Facility - Hospital-Based · San Jose, California
Find Dr. Nelson's professional email, personal email and mobile number
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Dr. Christopher Nelson is an emergency medicine physician in San Jose, California
Dr. Nelson practices at O'Connor Hospital in San Jose, California.
Dr. Nelson's NPI, 1780147058, was assigned on April 12, 2019. Dr. Nelson graduated from Tulane University School of Medicine in 2019. Dr. Nelson holds California license A178884.
- NPI
- 1780147058NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678934510
- NPI enumeration date
- April 12, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 947-2831
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher Nelson practices at O'Connor Hospital in San Jose, California
Dr. Nelson's primary practice is O'Connor Hospital, at 2105 Forest Avenue, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 947-2831.
- O'Connor Hospital2105 Forest Avenue, San Jose, CA 95128 · Santa Clara CountyPhone(408) 947-2831
Source: Dmand AI Affiliation Data
Dr. Christopher Nelson is affiliated with 2 sites of care and 2 medical groups
Dr. Nelson's primary practice is O'Connor Hospital in San Jose, California. Dr. Nelson is also affiliated with Santa Clara Valley Medical Center. The medical group on file is County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI also links Dr. Nelson to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christopher Nelson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nelson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| O'Connor Hospital | 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. Christopher Nelson is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Nelson's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Nelson is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Nelson
Counts of emergency 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. Christopher Nelson billed Medicare for 516 services in 2024
CMS data shows 516 Medicare services from Dr. Nelson across 6 procedure codes in 2024, for 331 Medicare patients. Medicare paid $46,277 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nelson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1392024: 336142%
- Tests and treatments
- 2023: 822024: 167104%
- Imaging
- 2023: 112024: 1318%
Dr. Nelson compared with the California median for emergency medicine physicians, 2024
- Dr. Nelson
- California median
- Medicare services
- 516vs 26595% above
- Medicare patients
- 331vs 24336% above
- Part D claims
- 12vs 6281% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Nelson'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher Nelson treated 331 Medicare patients in 2024, average age 71
CMS counts 331 Medicare patients who saw Dr. Nelson in 2024. The largest group is 65 to 74, with 107 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 73% are also on Medicaid. Their average risk score is 2.71, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Nelson's median patient age at 42, with 54% women.
Dr. Nelson's Medicare patients by age, 2024
Dr. Nelson's Medicare patients by sex, 2024
- Women18255%
- Men14945%
Chronic conditions among Dr. Nelson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Diabetes48%
- Arthritis44%
- Mood disorders38%
- Ischemic heart disease36%
- Chronic kidney disease34%
- Anxiety33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nelson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher Nelson wrote 103 Medicare Part D claims in 2024
In 2024, Dr. Nelson wrote 103 Medicare Part D claims for 81 patients. 88% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $26 in total drug cost.
Dr. Nelson's Part D claims by kind of drug, 2024
- Generic91 claims88%
- Brand-name12 claims12%
Dr. Nelson'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. Nelson's Part D claims, 2024
- Antibiotics49%50 of 103 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Christopher Nelson scored 61 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 61 out of 100 for Dr. Nelson for performance year 2024, reported as part of a group. Dr. Nelson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Nelson's MIPS scores, performance year 2024
- 61of 100Final score
- 59.4of 100Quality
- 0of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Christopher Nelson graduated from Tulane University School of Medicine
Dr. Nelson graduated from Tulane University School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher Nelson'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) |
| 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. Christopher Nelson
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. Christopher Nelson's NPI number?
Dr. Christopher Nelson's NPI number is 1780147058. It was assigned on April 12, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Nelson?
Dr. Christopher Nelson is an emergency medicine physician in San Jose, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Christopher Nelson practice?
Dr. Nelson practices at 2105 Forest Avenue, San Jose, CA 95128. Dr. Nelson's primary practice is O'Connor Hospital in San Jose, California. Dmand AI also links Dr. Nelson to 1 medical group.
What is Dr. Christopher Nelson's office phone number?
The practice phone on file for Dr. Nelson is (408) 947-2831.
What is Dr. Christopher Nelson's medical license number?
Dr. Nelson holds California license A178884.
Which hospitals is Dr. Christopher Nelson affiliated with?
Dr. Nelson is affiliated with Santa Clara Valley Medical Center.
What medical group is Dr. Christopher Nelson part of?
Dr. Nelson is linked to County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI links Dr. Nelson to 1 more medical group.
Does Dr. Christopher Nelson accept Medicare?
Yes. CMS data shows Dr. Nelson billed Medicare for 516 services in 2024, and Dr. Nelson accepts Medicare assignment.
What is Dr. Christopher Nelson's MIPS score?
Dr. Nelson's MIPS final score for performance year 2024 is 61 out of 100, reported as part of a group.
How many Medicare patients does Dr. Christopher Nelson see?
CMS counts 331 Medicare patients who saw Dr. Nelson in 2024, with an average age of 71.
Show 4 more questionsShow fewer questions
What services does Dr. Christopher Nelson bill to Medicare?
In 2024, Dr. Nelson's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. Christopher Nelson go to medical school?
Dr. Nelson graduated from Tulane University School of Medicine in 2019.
What drugs does Dr. Christopher Nelson prescribe most?
In 2024 Medicare Part D data, Dr. Nelson's most prescribed drugs by claims were Azithromycin.
How long has Dr. Christopher Nelson been practicing?
Dr. Nelson graduated from medical school in 2019, 7 years ago.
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