Kristin Michelle Sobieraj, PA

  • Los Angeles, CA
  • Physician assistant
NPI1407297856PAC ID5698919520
Medicare services, 2024
125
Medicare patients, 2024
101
Part D claims, 2024
144
Hospital affiliations
1
Medical group
1
Practice address
344 S Hauser Blvd, Los Angeles, CA 90036
Practice phone
Call (716) 845-2300
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Roswell Park Cancer Institute

Los Angeles, California

See all 3 affiliations

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Kristin Michelle Sobieraj is a physician assistant in Los Angeles, California

Kristin Sobieraj practices at Roswell Park Cancer Institute in Los Angeles, California.

Kristin Sobieraj's NPI, 1407297856, was assigned on July 15, 2013. Kristin Sobieraj holds New York license 016648.

NPI and contact details
Medicare PAC ID
5698919520
NPI enumeration date
July 15, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(716) 845-2300
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
39
Medical school graduation
2013

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

Kristin Michelle Sobieraj practices at Roswell Park Cancer Institute in Los Angeles, California

Kristin Sobieraj's primary practice is Roswell Park Cancer Institute, at 344 S Hauser Blvd, Los Angeles, CA 90036 in Los Angeles County. The practice phone is (716) 845-2300.

  • Roswell Park Cancer Institute
    344 S Hauser Blvd, Los Angeles, CA 90036 · Los Angeles CountyPhone(716) 845-2300

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Kristin Michelle Sobieraj is affiliated with 2 sites of care and 1 medical group

Kristin Sobieraj's primary practice is Roswell Park Cancer Institute in Los Angeles, California. Kristin Sobieraj is also affiliated with Roswell Park Comprehensive Cancer Center. The medical group on file is Roswell Park Comprehensive Cancer Center.

See all 3 affiliations for Kristin Sobieraj

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Kristin Michelle Sobieraj's practice

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

EHR by site
SiteEHR vendor and product
Roswell Park Cancer InstituteAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Kristin Michelle Sobieraj is one of 11,482 physician assistants in California

Physician assistant is Kristin Sobieraj's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Kristin Sobieraj is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Kristin Sobieraj is licensed in New York.

Specialties and state licenses

  • Physician assistant, New YorkPrimaryLicense 016648 · taxonomy 363A00000X

Physician assistants near Kristin Sobieraj

Counts of 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

Kristin Michelle Sobieraj billed Medicare for 125 services in 2024

CMS data shows 125 Medicare services from Kristin Sobieraj across 2 procedure codes in 2024, for 101 Medicare patients. Medicare paid $9,227 for them.

Medicare services, 2024125
Medicare patients101
Paid by Medicare$9,227
Procedure codes2

Kristin Sobieraj's Medicare services by type, 2024

  1. Office and hospital visits99
  2. Other services26

Where Kristin Sobieraj's Medicare services took place, 2024

  • In an office2419%
  • In a facility10181%

Kristin Sobieraj compared with the California median for physician assistants, 2024

  • Kristin Sobieraj
  • California median
Medicare services
125vs 20439% below
Medicare patients
101vs 105Close to median
Part D claims
78vs 24368% below

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

Kristin Sobieraj'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

Kristin Michelle Sobieraj treated 101 Medicare patients in 2024, average age 73

CMS counts 101 Medicare patients who saw Kristin Sobieraj in 2024. The largest group is 65 to 74, with 50 patients. 75% of them have cancer, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Kristin Sobieraj's median patient age at 72, with 92% women.

Medicare patients, 2024101
Average age73
Average risk score1.14
Also on Medicaid12%

Kristin Sobieraj's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Kristin Sobieraj's Medicare patients, 2024

  1. Cancer75%
  2. High cholesterol75%
  3. High blood pressure69%
  4. Arthritis48%
  5. Chronic kidney disease34%
  6. Osteoporosis27%
  7. Diabetes26%
  8. Mood disorders25%

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

Kristin Sobieraj's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women92%
  • Men8%

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

Kristin Michelle Sobieraj wrote 144 Medicare Part D claims in 2024

In 2024, Kristin Sobieraj wrote 144 Medicare Part D claims for 59 patients. 97% of them were for generic drugs. CMS names the drug for 78 of them, across 3 drugs with 11 or more claims each, at $5,221 in total drug cost.

Part D claims, 2024144
Drugs named by CMS3
Total drug cost$5,221
Part D patients59

Kristin Sobieraj's Part D claims by kind of drug, 2024

  • Generic139 claims97%
  • Brand-name and other5 claims3%

Kristin Sobieraj'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.

See all prescribing by Kristin Sobieraj

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

How Kristin Michelle Sobieraj takes part in Medicare

Kristin Sobieraj accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Kristin Michelle Sobieraj is board certified in certified physician assistant

  1. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for Kristin Michelle Sobieraj'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Kristin Michelle Sobieraj

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

What is Kristin Michelle Sobieraj's NPI number?

Kristin Michelle Sobieraj's NPI number is 1407297856. It was assigned on July 15, 2013, and it is active in the NPI Registry.

What does Kristin Michelle Sobieraj specialize in?

Kristin Michelle Sobieraj is a physician assistant in Los Angeles, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Kristin Michelle Sobieraj practice?

Kristin Sobieraj practices at 344 S Hauser Blvd, Los Angeles, CA 90036. Kristin Sobieraj's primary practice is Roswell Park Cancer Institute in Los Angeles, California.

What is Kristin Michelle Sobieraj's office phone number?

The practice phone on file for Kristin Sobieraj is (716) 845-2300.

What is Kristin Michelle Sobieraj's medical license number?

Kristin Sobieraj holds New York license 016648.

Which hospitals is Kristin Michelle Sobieraj affiliated with?

Kristin Sobieraj is affiliated with Roswell Park Comprehensive Cancer Center.

What medical group is Kristin Michelle Sobieraj part of?

Kristin Sobieraj is linked to Roswell Park Comprehensive Cancer Center.

Does Kristin Michelle Sobieraj accept Medicare?

Yes. CMS data shows Kristin Sobieraj billed Medicare for 125 services in 2024, and Kristin Sobieraj accepts Medicare assignment.

How many Medicare patients does Kristin Michelle Sobieraj see?

CMS counts 101 Medicare patients who saw Kristin Sobieraj in 2024, with an average age of 73.

Is Kristin Michelle Sobieraj board certified?

Yes. Kristin Sobieraj is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).

Show 3 more questionsShow fewer questions

What services does Kristin Michelle Sobieraj bill to Medicare?

In 2024, Kristin Sobieraj's most billed Medicare services were office visit, established patient (99215) and medicare service (G2212).

What drugs does Kristin Michelle Sobieraj prescribe most?

In 2024 Medicare Part D data, Kristin Sobieraj's most prescribed drugs by claims were Anastrozole, Alendronate Sodium and Exemestane.

How long has Kristin Michelle Sobieraj been practicing?

Kristin Sobieraj graduated from medical school in 2013, 13 years ago.

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