NPPES file of Aug 9, 2026

Cassie Marie Lewis, N.P.

Family Nurse Practitioner · Elk Grove, CA

Cassie Marie Lewis, N.P. is a family nurse practitioner with a practice address in Elk Grove, California, and NPI 1841688041, issued on Dec 23, 2014. Check the license (California 95002113, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841688041
Name
Cassie Marie Lewis
Credential
N.P.
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
95002113 CA
747800 CA
Self-reported in NPPES; status is on the state search
Practice location
8259 Laguna Blvd Ste 100, Elk Grove, CA 95758
Phone
(916) 691-8570
Enumerated
Dec 23, 2014
Record last updated
May 6, 2026
Fax
(916) 859-3561
Medicare enrollment
Enrolled (PECOS I20180221002500); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Cassie Marie Lewis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95002113
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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42% fewer Medicare Part D claims than the average family nurse practitioner in 2024

752 Medicare Part D claims for 327 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 57 claims were for opioids.

  1. Cassie Lewis752
  2. Specialty average1,305

Most prescribed

  1. Albuterol Sulfate Hfa45 claims
  2. Hydrocodone-Acetaminophen35 claims
  3. Lisinopril26 claims
  4. Levothyroxine Sodium23 claims
  5. Gabapentin21 claims
  6. Cephalexin20 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): 34.6 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.

  1. Qualityout of 100 · 30% of the final score15.4
  2. Costout of 100 · 30%63.1
  3. Promoting interoperabilityout of 100 · 25%0.0
  4. Improvement activities20 of 40 points · 15%50.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $22.84

1 payment: food and beverage; the largest payer was Merz North America, 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.

  1. Cassie Lewis$22.84
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Cep America - CaliforniaSacramento, CA
  2. Dignity Health Medical FoundationSacramento, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Cassie Marie Lewis among 16,966 family nurse practitioner records in California

Cassie Marie Lewis, N.P. is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 27% of them.

  • NPI issued2014 · 27% of these records are older, 69% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2009 · median 2019 among the 6,793 with a school on file
  • Record last updated2026 · 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

52 family nurse practitioner records list a practice address in Elk Grove

They are 52 of the 3,596 NPPES records with a practice address in Elk Grove, and 16,966 family nurse practitioner records in California.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Dana Adams, MSN, NP-CElk Grove, CA 957581578688297
  2. Deborah Baad, F.N.P., B.C.Elk Grove, CA 957581740339647
  3. Wendy Chase, RN, NPElk Grove, CA 957581801875398
  4. Jennifer Cook, MSN, FNPElk Grove, CA 957581396172003
  5. Royal Gee, NPElk Grove, CA 957581326153933
  6. Cheryl George, FNPElk Grove, CA 957581770912800
  7. Tracey Iyamu-Sanusi, FNPElk Grove, CA 957581093087595
  8. Kathleen O'Brien, NPElk Grove, CA 957581396800900

Common questions

What is Cassie Marie Lewis, N.P.'s NPI number?

Cassie Marie Lewis, N.P.'s National Provider Identifier (NPI) is 1841688041, issued on Dec 23, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Cassie Marie Lewis, N.P. located?

The NPPES record lists a practice address at 8259 Laguna Blvd Ste 100, Elk Grove, CA, 95758. Phone: (916) 691-8570. Providers update this record themselves, so call before visiting.

How can I verify Cassie Marie Lewis, N.P.'s license?

NPPES lists California license number 95002113, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Cassie Marie Lewis, N.P. prescribe under Medicare Part D?

In 2024, Cassie Marie Lewis, N.P. had 752 Medicare Part D claims for 327 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Cassie Marie Lewis, N.P.'s MIPS final score?

The 2023 MIPS final score is 34.6 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.