Christopher Klein, PA-C
- Medicare services, 2024
- 302
- Medicare patients, 2024
- 91
- Part D claims, 2024
- 144
- Hospital affiliations
- 2
- Industry payments
- $99
- Practice address
- 1500 San Pablo Street, Los Angeles, CA 90033
- Practice phone
- Call (323) 442-8656
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Christopher Klein is a surgical physician assistant in Los Angeles, California
Christopher Klein practices at Keck Hospital of USC in Los Angeles, California, part of University of Southern California.
Christopher Klein's NPI, 1265045017, was assigned on August 30, 2020. Christopher Klein holds Arizona license 8169.
- NPI
- 1265045017NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173943685
- NPI enumeration date
- August 30, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (323) 442-8656
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Christopher Klein practices at Keck Hospital of USC in Los Angeles, California
Christopher Klein's primary practice is Keck Hospital of USC, at 1500 San Pablo Street, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 442-8656.
- Keck Hospital of USC1500 San Pablo Street, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 442-8656
Source: Dmand AI Affiliation Data
Christopher Klein is affiliated with 5 sites of care and 1 medical group
Christopher Klein's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Christopher Klein is also affiliated with Henry Mayo Newhall Hospital. The medical group on file is USC Care Medical Group. Dmand AI also links Christopher Klein to 1 more group practice or clinic, 1 other site and 1 urgent care center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Christopher Klein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christopher Klein practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Keck Hospital of USC | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Christopher Klein is one of 883 surgical physician assistants in California
Surgical is Christopher Klein's primary specialty in the NPI Registry, under taxonomy code 363AS0400X. Christopher Klein is licensed in Arizona.
Specialties and state licenses
- Surgical physician assistant, ArizonaPrimary
Clinical focus
Dmand AI lists lower back pain among the conditions Christopher Klein treats.
Surgical physician assistants near Christopher Klein
Counts of surgical physician assistants 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
Christopher Klein billed Medicare for 302 services in 2024
CMS data shows 302 Medicare services from Christopher Klein across 12 procedure codes in 2024, for 91 Medicare patients. Medicare paid $17,439 for them. Every service was in a facility, such as a hospital, rather than an office.
Christopher Klein compared with the California median for surgical physician assistants, 2024
- Christopher Klein
- California median
- Medicare services
- 302vs 22037% above
- Medicare patients
- 91vs 90Close to median
- Part D claims
- 94vs 15539% below
Medians across 656 surgical physician assistants in California with Dmand AI profiles that report each measure.
Christopher Klein'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.
Need commercial claims for Christopher Klein?
Medicare shows one payer. Book a meeting to get commercial claims data for Christopher Klein and other surgical physician assistants in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Christopher Klein treated 91 Medicare patients in 2024, average age 75
CMS counts 91 Medicare patients who saw Christopher Klein in 2024. The largest group is 75 to 84, with 46 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Christopher Klein's median patient age at 64, with 50% women.
Christopher Klein's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Christopher Klein's Medicare patients by sex, 2024
- Women3943%
- Men5257%
Chronic conditions among Christopher Klein's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease35%
- Anxiety34%
- Mood disorders30%
- Depression27%
- Diabetes27%
Share of Medicare patients with each condition. A patient can have several.
Christopher Klein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Christopher Klein wrote 144 Medicare Part D claims in 2024
In 2024, Christopher Klein wrote 144 Medicare Part D claims for 88 patients. 99% of them were for generic drugs. CMS names the drug for 94 of them, across 5 drugs with 11 or more claims each, at $664 in total drug cost.
Christopher Klein's Part D claims by kind of drug, 2024
- Generic143 claims99%
- Brand-name and other1 claims1%
Christopher Klein'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 Christopher Klein's Part D claims, 2024
- Opioids48%69 of 144 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
Christopher Klein offers telehealth to Medicare patients
Christopher Klein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Christopher Klein as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Christopher Klein received $99 in industry payments from 2024 to 2025
CMS Open Payments shows 5 general payments to Christopher Klein from 3 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $45.
General payments to Christopher Klein by program year, 2024 to 2025
Companies that paid Christopher Klein the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Christopher Klein'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) |
| 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 Christopher Klein
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What is Christopher Klein's NPI number?
Christopher Klein's NPI number is 1265045017. It was assigned on August 30, 2020, and it is active in the NPI Registry.
What does Christopher Klein specialize in?
Christopher Klein is a surgical physician assistant in Los Angeles, California. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).
Where does Christopher Klein practice?
Christopher Klein practices at 1500 San Pablo Street, Los Angeles, CA 90033. Christopher Klein's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Dmand AI also links Christopher Klein to 1 group practice or clinic, 1 other site and 1 urgent care center.
What is Christopher Klein's office phone number?
The practice phone on file for Christopher Klein is (323) 442-8656.
What is Christopher Klein's medical license number?
Christopher Klein holds Arizona license 8169.
Which hospitals is Christopher Klein affiliated with?
Christopher Klein practices at Keck Hospital of USC in Los Angeles, California. Christopher Klein is also affiliated with Henry Mayo Newhall Hospital.
What medical group is Christopher Klein part of?
Christopher Klein is linked to USC Care Medical Group.
Does Christopher Klein accept Medicare?
Yes. CMS data shows Christopher Klein billed Medicare for 302 services in 2024, and Christopher Klein accepts Medicare assignment.
Does Christopher Klein offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Christopher Klein as offering telehealth services.
How many Medicare patients does Christopher Klein see?
CMS counts 91 Medicare patients who saw Christopher Klein in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Christopher Klein bill to Medicare?
In 2024, Christopher Klein's most billed Medicare services were surgery: bones and joints (22853), surgery: brain, spine and nerves (63053) and surgery: brain, spine and nerves (63030).
What drugs does Christopher Klein prescribe most?
In 2024 Medicare Part D data, Christopher Klein's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Gabapentin and Oxycodone HCl.
Has Christopher Klein received payments from drug or device companies?
CMS Open Payments shows $99 in general payments to Christopher Klein from 3 companies from 2024 to 2025. The largest total came from Stryker Corporation.
How long has Christopher Klein been practicing?
Christopher Klein graduated from medical school in 2020, 6 years ago.
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