Nicolas Richard Lazarewicz, FNP
- Medicare services, 2024
- 571
- Medicare patients, 2024
- 448
- Part D claims, 2024
- 1,994
- Hospital affiliations
- 1
- Industry payments
- $32
- Practice address
- 1200 B Gale Wilson Blvd, Fairfield, CA 94533
- Practice phone
- Call (707) 646-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Nicolas Lazarewicz'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.
Nicolas Richard Lazarewicz is a nurse practitioner in Fairfield, California
Nicolas Lazarewicz practices at NorthBay Medical Center in Fairfield, California, part of NorthBay Healthcare.
Nicolas Lazarewicz's NPI, 1053540120, was assigned on July 9, 2009. Nicolas Lazarewicz holds California license 18973.
- NPI
- 1053540120NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022291129
- NPI enumeration date
- July 9, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (707) 646-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Nicolas Richard Lazarewicz practices at NorthBay Medical Center in Fairfield, California
Nicolas Lazarewicz's primary practice is NorthBay Medical Center, at 1200 B Gale Wilson Blvd, Fairfield, CA 94533 in Solano County. The practice phone is (707) 646-5000.
- NorthBay Medical Center1200 B Gale Wilson Blvd, Fairfield, CA 94533 · Solano CountyPhone(707) 646-5000
Source: Dmand AI Affiliation Data
Nicolas Richard Lazarewicz is affiliated with 3 sites of care and 2 medical groups
Nicolas Lazarewicz's primary practice is NorthBay Medical Center in Fairfield, California, part of NorthBay Healthcare. The medical group on file is NorthBay Medical Center. Dmand AI also links Nicolas Lazarewicz to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Nicolas Richard Lazarewicz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nicolas Lazarewicz practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NorthBay Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across NorthBay Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Nicolas Richard Lazarewicz is one of 5,983 nurse practitioners in California
Nurse practitioner is Nicolas Lazarewicz's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Nicolas Lazarewicz is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Clinical focus
Dmand AI lists acute mini-stroke (TIA), acute sinusitis, acute skin infection, ADHD, ankle or foot injury, anxiety, arthritis and asthma among the conditions Nicolas Lazarewicz treats.
Nurse practitioners near Nicolas Lazarewicz
Counts of nurse practitioners 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
Nicolas Richard Lazarewicz billed Medicare for 571 services in 2024
CMS data shows 571 Medicare services from Nicolas Lazarewicz across 6 procedure codes in 2024, for 448 Medicare patients. Medicare paid $44,869 for them. Every service was in an office.
Nicolas Lazarewicz's Medicare services by type, 2024
- Office and hospital visits536
- Other services22
- Tests and treatments13
Nicolas Lazarewicz compared with the California median for nurse practitioners, 2024
- Nicolas Lazarewicz
- California median
- Medicare services
- 571vs 2792.0 times
- Medicare patients
- 448vs 924.9 times
- Part D claims
- 1,362vs 3663.7 times
Medians across 3,047 nurse practitioners in California with Dmand AI profiles that report each measure.
Nicolas Lazarewicz'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
Nicolas Richard Lazarewicz treated 448 Medicare patients in 2024, average age 75
CMS counts 448 Medicare patients who saw Nicolas Lazarewicz in 2024. The largest group is 65 to 74, with 182 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Nicolas Lazarewicz's median patient age at 56, with 55% women.
Nicolas Lazarewicz's Medicare patients by age, 2024
Nicolas Lazarewicz's Medicare patients by sex, 2024
- Women27762%
- Men17138%
Chronic conditions among Nicolas Lazarewicz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Arthritis50%
- Diabetes30%
- Mood disorders28%
- Depression26%
- Chronic kidney disease22%
- Anxiety19%
Share of Medicare patients with each condition. A patient can have several.
Nicolas Lazarewicz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Nicolas Richard Lazarewicz wrote 1,994 Medicare Part D claims in 2024
In 2024, Nicolas Lazarewicz wrote 1,994 Medicare Part D claims for 560 patients. 87% of them were for generic drugs. CMS names the drug for 1,362 of them, across 47 drugs with 11 or more claims each, at $95,570 in total drug cost.
Nicolas Lazarewicz's Part D claims by kind of drug, 2024
- Generic1,734 claims87%
- Brand-name234 claims12%
- Other26 claims1%
Nicolas Lazarewicz'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 Nicolas Lazarewicz's Part D claims, 2024
- Opioids2%42 of 1,994 claims
- Antibiotics5%90 of 1,994 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
Nicolas Richard Lazarewicz offers telehealth to Medicare patients
Nicolas Lazarewicz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Nicolas Lazarewicz as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Nicolas Richard Lazarewicz received $32 in industry payments in 2025
CMS Open Payments shows 1 general payment to Nicolas Lazarewicz from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $32.
Companies that paid Nicolas Lazarewicz the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Nicolas Richard Lazarewicz'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 Nicolas Richard Lazarewicz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Nicolas Richard Lazarewicz's NPI number?
Nicolas Richard Lazarewicz's NPI number is 1053540120. It was assigned on July 9, 2009, and it is active in the NPI Registry.
What does Nicolas Richard Lazarewicz specialize in?
Nicolas Richard Lazarewicz is a nurse practitioner in Fairfield, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Nicolas Richard Lazarewicz practice?
Nicolas Lazarewicz practices at 1200 B Gale Wilson Blvd, Fairfield, CA 94533. Nicolas Lazarewicz's primary practice is NorthBay Medical Center in Fairfield, California, part of NorthBay Healthcare. Dmand AI also links Nicolas Lazarewicz to 2 group practices and clinics and 1 medical group.
What is Nicolas Richard Lazarewicz's office phone number?
The practice phone on file for Nicolas Lazarewicz is (707) 646-5000.
What is Nicolas Richard Lazarewicz's medical license number?
Nicolas Lazarewicz holds California license 18973.
Which hospitals is Nicolas Richard Lazarewicz affiliated with?
Nicolas Lazarewicz practices at NorthBay Medical Center in Fairfield, California.
What medical group is Nicolas Richard Lazarewicz part of?
Nicolas Lazarewicz is linked to NorthBay Medical Center. Dmand AI links Nicolas Lazarewicz to 1 more medical group.
Does Nicolas Richard Lazarewicz accept Medicare?
Yes. CMS data shows Nicolas Lazarewicz billed Medicare for 571 services in 2024, and Nicolas Lazarewicz accepts Medicare assignment.
Does Nicolas Richard Lazarewicz offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Nicolas Lazarewicz as offering telehealth services.
How many Medicare patients does Nicolas Richard Lazarewicz see?
CMS counts 448 Medicare patients who saw Nicolas Lazarewicz in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Nicolas Richard Lazarewicz bill to Medicare?
In 2024, Nicolas Lazarewicz's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99204).
What drugs does Nicolas Richard Lazarewicz prescribe most?
In 2024 Medicare Part D data, Nicolas Lazarewicz's most prescribed drugs by claims were Atorvastatin Calcium, Fluticasone Propionate and Lisinopril.
Has Nicolas Richard Lazarewicz received payments from drug or device companies?
CMS Open Payments shows $32 in general payments to Nicolas Lazarewicz from 1 company from 2025 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Nicolas Richard Lazarewicz been practicing?
Nicolas Lazarewicz graduated from medical school in 2009, 17 years ago.
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