Chelsea E. Slozak, FNP-P
Family Nurse Practitioner · West Springfield, MA
Chelsea E. Slozak, FNP-P is a family nurse practitioner with a practice address in West Springfield, Massachusetts, and NPI 1104367978, issued on Mar 14, 2017. Check the license (Massachusetts RN2274333, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chelsea E. Slozak
- Credential
- FNP-P
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN2274333 MA
Self-reported in NPPES; status is on the state search - Practice location
- 50 Union Street, West Springfield, MA 01089
- Phone
- (413) 732-0040
- Enumerated
- Mar 14, 2017
- Record last updated
- May 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20170427002018); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Verify Chelsea E. Slozak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2274333Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average family nurse practitioner in 2024
699 Medicare Part D claims for 122 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Buprenorphine-Naloxone502 claims
- Suboxone64 claims
- Sublocade28 claims
- Zubsolv18 claims
- Vivitrol14 claims
- Clonidine Hcl13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 33.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $448.28
19 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Savida Health PCWest Springfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chelsea E. Slozak among 4,724 family nurse practitioner records in Massachusetts
Chelsea E. Slozak, FNP-P is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 44% of them.
- NPI issued2017 · 44% of these records are older, 51% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2017 · median 2019 among the 2,704 with a school on file
- Record last updated2025 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 family nurse practitioner records list a practice address in West Springfield
They are 34 of the 1,214 NPPES records with a practice address in West Springfield, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in West Springfield → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Eileen Berge, FNPWest Springfield, MA 010891235337593
- Carol BoyceWest Springfield, MA 010891144525817
- Ashley Correll, FNPWest Springfield, MA 010891467849331
- Rebecca DiazWest Springfield, MA 010891548675440
- Jill Kordas, APRNWest Springfield, MA 010891235447715
- Pamela Kurkul, ARNPW Springfield, MA 010891972672368
- Heather Lomax-Allen, NPWest Springfield, MA 010891053559005
- Jennifer Massa, NPWest Springfield, MA 010891205117439
Common questions
What is Chelsea E. Slozak, FNP-P's NPI number?
Chelsea E. Slozak, FNP-P's National Provider Identifier (NPI) is 1104367978, issued on Mar 14, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Chelsea E. Slozak, FNP-P located?
The NPPES record lists a practice address at 50 Union Street, West Springfield, MA, 01089. Phone: (413) 732-0040. Providers update this record themselves, so call before visiting.
How can I verify Chelsea E. Slozak, FNP-P's license?
NPPES lists Massachusetts license number RN2274333, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Chelsea E. Slozak, FNP-P prescribe under Medicare Part D?
In 2024, Chelsea E. Slozak, FNP-P had 699 Medicare Part D claims for 122 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Chelsea E. Slozak, FNP-P's MIPS final score?
The 2023 MIPS final score is 33.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.