NPPES file of Aug 9, 2026

Timothy Allen Sparling, NP

Nurse Practitioner · Grand Rapids, MI

Timothy Allen Sparling, NP is a nurse practitioner with a practice address in Grand Rapids, Michigan, and NPI 1124451927, issued on Aug 15, 2013. Check the license (Michigan 4704242295, as entered in NPPES) with the Michigan 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
1124451927
Name
Timothy Allen Sparling
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
4704242295 MI
Self-reported in NPPES; status is on the state search
Practice location
145 Michigan St NE Ste 3410, Grand Rapids, MI 49503
Phone
(616) 391-9945
Enumerated
Aug 15, 2013
Record last updated
Jun 2, 2026
Medicare enrollment
Enrolled (PECOS I20131119001653); 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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Also registered at 145 Michigan St NE Ste 3410

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jonathan Abraham, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1679953848
  2. Dominic Abuya, FNP-BCFamily Nurse Practitioner1053984609
  3. Kayla Andres, MDHospice and Palliative Medicine (Internal Medicine) Physician1992155824
  4. Abigail Antonides, NPGerontology Nurse Practitioner1093596819
  5. Kiva Bauswell, A-GNPGerontology Nurse Practitioner1508531088
  6. Simin Beg, MDHospice and Palliative Medicine (Internal Medicine) Physician1003853987

Verify Timothy Allen Sparling in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 4704242295
    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 Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.5 times the Medicare Part D claims of the average nurse practitioner in 2024

2,819 Medicare Part D claims for 412 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 933 claims were for opioids.

  1. Timothy Sparling2,819
  2. Specialty average1,109

Most prescribed

  1. Famotidine296 claims
  2. Oxycodone Hcl281 claims
  3. Pregabalin251 claims
  4. Hydrocodone-Acetaminophen236 claims
  5. Pantoprazole Sodium151 claims
  6. Gabapentin102 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 MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score87.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through 2 group practices

  1. Newaygo County General Hospital AssociationFremont, MI
  2. Spectrum Health Primary Care PartnersGrand Rapids, MI

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

Timothy Allen Sparling among 3,574 nurse practitioner records in Michigan

Timothy Allen Sparling, NP is one of 3,574 nurse practitioner records with a practice address in Michigan. 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 2013, is newer than 35% of them.

  • NPI issued2013 · 35% of these records are older, 62% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2013 · median 2017 among the 1,983 with a school on file
  • Record last updated2026 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

275 nurse practitioner records list a practice address in Grand Rapids

They are 275 of the 18,005 NPPES records with a practice address in Grand Rapids, and 3,574 nurse practitioner records in Michigan.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Gazelle Animalia, FNPGrand Rapids, MI 495031235145087
  2. Glenes Hamersma, GNP-CGrand Rapids, MI 495031841242898
  3. Teri Holwerda, NPGrand Rapids, MI 495031548289325
  4. Jean Koops, NPGrand Rapids, MI 495031710907472
  5. Karen Lindhout, NPGrand Rapids, MI 495031740200401
  6. Karen Meyer-Howe, CNPGrand Rapids, MI 495031609896836
  7. Kristine Niemeyer, MSN, NPGrand Rapids, MI 495031083728372
  8. Elizabeth Pierson, NPGrand Rapids, MI 495031972550952

Common questions

What is Timothy Allen Sparling, NP's NPI number?

Timothy Allen Sparling, NP's National Provider Identifier (NPI) is 1124451927, issued on Aug 15, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Timothy Allen Sparling, NP located?

The NPPES record lists a practice address at 145 Michigan St NE Ste 3410, Grand Rapids, MI, 49503. Phone: (616) 391-9945. Providers update this record themselves, so call before visiting.

How can I verify Timothy Allen Sparling, NP's license?

NPPES lists Michigan license number 4704242295, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Timothy Allen Sparling, NP prescribe under Medicare Part D?

In 2024, Timothy Allen Sparling, NP had 2,819 Medicare Part D claims for 412 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Timothy Allen Sparling, NP's MIPS final score?

The 2023 MIPS final score is 100 of 100. 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.