Kristin Michelle Sobieraj, PA
- 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
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Roswell Park Cancer Institute
Los Angeles, California
Find Kristin Sobieraj'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.
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
- 1407297856NPI Registry (opens in a new tab)
- 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
- Get email
- Mobile number
- Get number
- 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 Institute344 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.
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.
| Site | EHR vendor and product |
|---|---|
| Roswell Park Cancer Institute | Available with a free account |
| +1 more affiliated site | Available 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 YorkPrimary
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.
Kristin Sobieraj's Medicare services by type, 2024
- Office and hospital visits99
- 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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Medicare shows one payer. Book a meeting to get commercial claims data for Kristin Sobieraj and other physician assistants in California.
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.
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
- Cancer75%
- High cholesterol75%
- High blood pressure69%
- Arthritis48%
- Chronic kidney disease34%
- Osteoporosis27%
- Diabetes26%
- 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.
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.
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
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Kristin Michelle Sobieraj'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 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) |
| 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 Kristin Michelle Sobieraj
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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).
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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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