Nicholas Kleen

  • Yucaipa, CA
  • Physician assistant
NPI1750730651PAC ID1153603048
Medicare services, 2024
91
Medicare patients, 2024
90
Part D claims, 2024
103
Affiliated sites
1
Medical groups
3
Practice address
33494 Oak Glen Rd, Yucaipa, CA 92399
Practice phone
Call (909) 797-8900
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Yucaipa Urgent Care

Urgent Care Center · Yucaipa, California

See all 4 affiliations

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Nicholas Kleen is a physician assistant in Yucaipa, California

Nicholas Kleen practices at Yucaipa Urgent Care in Yucaipa, California.

Nicholas Kleen's NPI, 1750730651, was assigned on June 10, 2016.

NPI and contact details
Medicare PAC ID
1153603048
NPI enumeration date
June 10, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(909) 797-8900
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
36
Medical school graduation
2016

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Nicholas Kleen practices at Yucaipa Urgent Care in Yucaipa, California

Nicholas Kleen's primary practice is Yucaipa Urgent Care, at 33494 Oak Glen Rd, Yucaipa, CA 92399. The practice phone is (909) 797-8900.

  • Yucaipa Urgent Care
    33494 Oak Glen Rd, Yucaipa, CA 92399Phone(909) 797-8900

Source: Dmand AI Affiliation Data

Nicholas Kleen is affiliated with 1 site of care and 3 medical groups

Nicholas Kleen's primary practice is Yucaipa Urgent Care in Yucaipa, California. The medical group on file is Southern California Emergency Medicine. Dmand AI also links Nicholas Kleen to 2 more medical groups, each named with a free account.

See all 4 affiliations for Nicholas Kleen

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Nicholas Kleen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Nicholas Kleen practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Yucaipa Urgent CareAvailable with a free account
+2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Nicholas Kleen is one of 11,482 physician assistants in California

Physician assistant is Nicholas Kleen's primary specialty in the NPI Registry, under taxonomy code 363A00000X.

Specialties and state licenses

  • Physician assistantPrimarytaxonomy 363A00000X

Clinical focus

Dmand AI lists asthma and upper respiratory infection (URI) among the conditions Nicholas Kleen treats.

Physician assistants near Nicholas Kleen

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

11,482physician assistants in California
5physician assistants in Yucaipa

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Nicholas Kleen billed Medicare for 91 services in 2024

CMS data shows 91 Medicare services from Nicholas Kleen across 1 procedure code in 2024, all of them office visits, for 90 Medicare patients. Medicare paid $5,509 for them. Every service was in an office.

Medicare services, 202491
Medicare patients90
Paid by Medicare$5,509
Procedure codes1

Nicholas Kleen compared with the California median for physician assistants, 2024

  • Nicholas Kleen
  • California median
Medicare services
91vs 20455% below
Medicare patients
90vs 10514% below
Part D claims
16vs 24393% below

Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.

Nicholas Kleen'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

Nicholas Kleen treated 90 Medicare patients in 2024, average age 69

CMS counts 90 Medicare patients who saw Nicholas Kleen in 2024. The largest group is 65 to 74, with 47 patients. 73% of them have high blood pressure, and 69% have high cholesterol. 50% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Nicholas Kleen's median patient age at 23, with 63% women.

Medicare patients, 202490
Average age69
Average risk score1.11
Also on Medicaid50%

Nicholas Kleen's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Nicholas Kleen's Medicare patients by sex, 2024

  • Women6269%
  • Men2831%

Chronic conditions among Nicholas Kleen's Medicare patients, 2024

  1. High blood pressure73%
  2. High cholesterol69%
  3. Arthritis40%
  4. Diabetes32%
  5. Mood disorders23%
  6. Anxiety22%
  7. Chronic kidney disease21%
  8. Ischemic heart disease21%

Share of Medicare patients with each condition. A patient can have several.

Nicholas Kleen's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 23

Patient panel by sex, all payers

  • Women63%
  • Men37%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Nicholas Kleen wrote 103 Medicare Part D claims in 2024

In 2024, Nicholas Kleen wrote 103 Medicare Part D claims for 62 patients. 86% of them were for generic drugs. CMS names the drug for 16 of them, across 1 drug with 11 or more claims each, at $21 in total drug cost.

Part D claims, 2024103
Drugs named by CMS1
Total drug cost$21
Part D patients62

Nicholas Kleen's Part D claims by kind of drug, 2024

  • Generic89 claims86%
  • Brand-name14 claims14%

Nicholas Kleen'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 Nicholas Kleen's Part D claims, 2024

  • Antibiotics34%35 of 103 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Nicholas Kleen

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

Nicholas Kleen offers telehealth to Medicare patients

Nicholas Kleen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Nicholas Kleen as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Sources for Nicholas Kleen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Nicholas Kleen

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Nicholas Kleen's NPI number?

Nicholas Kleen's NPI number is 1750730651. It was assigned on June 10, 2016, and it is active in the NPI Registry.

What does Nicholas Kleen specialize in?

Nicholas Kleen is a physician assistant in Yucaipa, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Nicholas Kleen practice?

Nicholas Kleen practices at 33494 Oak Glen Rd, Yucaipa, CA 92399. Nicholas Kleen's primary practice is Yucaipa Urgent Care in Yucaipa, California. Dmand AI also links Nicholas Kleen to 2 medical groups.

What is Nicholas Kleen's office phone number?

The practice phone on file for Nicholas Kleen is (909) 797-8900.

What medical group is Nicholas Kleen part of?

Nicholas Kleen is linked to Southern California Emergency Medicine. Dmand AI links Nicholas Kleen to 2 more medical groups.

Does Nicholas Kleen accept Medicare?

Yes. CMS data shows Nicholas Kleen billed Medicare for 91 services in 2024, and Nicholas Kleen accepts Medicare assignment.

Does Nicholas Kleen offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Nicholas Kleen as offering telehealth services.

How many Medicare patients does Nicholas Kleen see?

CMS counts 90 Medicare patients who saw Nicholas Kleen in 2024, with an average age of 69.

What services does Nicholas Kleen bill to Medicare?

In 2024, Nicholas Kleen's most billed Medicare services were office visit, established patient (99213).

What drugs does Nicholas Kleen prescribe most?

In 2024 Medicare Part D data, Nicholas Kleen's most prescribed drugs by claims were Prednisone.

How long has Nicholas Kleen been practicing?

Nicholas Kleen graduated from medical school in 2016, 10 years ago.

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