Larissa Marek Spheeris, FNP
Family Nurse Practitioner · Sugar Land, TX
Larissa Marek Spheeris, FNP is a family nurse practitioner with a practice address in Sugar Land, Texas, and NPI 1386247526, issued on Nov 19, 2020. Check the license (Texas 1033658, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Larissa Marek Spheeris
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 1033658 TX
832939 TX
Self-reported in NPPES; status is on the state search - Practice location
- 16537 Southwest Fwy, Sugar Land, TX 77479
- Phone
- (281) 274-7595
- Enumerated
- Nov 19, 2020
- Record last updated
- Jun 25, 2024
- Medicare enrollment
- Enrolled (PECOS I20211123001989); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →
Also registered at 16537 Southwest Fwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Adekunbi Obisesan, NP-CFamily Nurse Practitioner1144765132
- Nimra Pasha, MDInternal Medicine Physician1437888732
Verify Larissa Marek Spheeris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 1033658Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average family nurse practitioner in 2024
1,056 Medicare Part D claims for 264 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Donepezil Hcl153 claims
- Gabapentin152 claims
- Memantine Hcl103 claims
- Quetiapine Fumarate74 claims
- Duloxetine Hcl66 claims
- Amitriptyline Hcl47 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.
Industry payments in 2024: $4,209.82
234 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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 2 group practices
- Houston Methodist Specialty PhysiciansSugar Land, TX
- Tmh Physician Associates PLLCSugar Land, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Larissa Marek Spheeris among 21,242 family nurse practitioner records in Texas
Larissa Marek Spheeris, FNP is one of 21,242 family nurse practitioner records with a practice address in Texas. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 59% of them.
- NPI issued2020 · 59% of these records are older, 33% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2020 · median 2018 among the 11,286 with a school on file
- Record last updated2024 · 38% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
229 family nurse practitioner records list a practice address in Sugar Land
They are 229 of the 3,851 NPPES records with a practice address in Sugar Land, and 21,242 family nurse practitioner records in Texas.
All 21,242 in Texas → Every provider in Sugar Land → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Theodora Agbasi, FNP-CSugar Land, TX 774791538593173
- Melissa Buell, FNPSugar Land, TX 774791750713491
- Chamaiporn Geis, NP, MSNSugar Land, TX 774791689692618
- Robyn Halbrook, NPSugar Land, TX 774791669807376
- Ingrid Hansen, FNP-C, RNSugar Land, TX 774791720398183
- Hsiao-Hui Ju, N.P.Sugar Land, TX 774791821339334
- Glory LawsonSugar Land, TX 774791306919410
- Lethi Lee, N.P.Sugar Land, TX 774791730339235
Common questions
What is Larissa Marek Spheeris, FNP's NPI number?
Larissa Marek Spheeris, FNP's National Provider Identifier (NPI) is 1386247526, issued on Nov 19, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Larissa Marek Spheeris, FNP located?
The NPPES record lists a practice address at 16537 Southwest Fwy, Sugar Land, TX, 77479. Phone: (281) 274-7595. Providers update this record themselves, so call before visiting.
How can I verify Larissa Marek Spheeris, FNP's license?
NPPES lists Texas license number 1033658, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Larissa Marek Spheeris, FNP prescribe under Medicare Part D?
In 2024, Larissa Marek Spheeris, FNP had 1,056 Medicare Part D claims for 264 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
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.