NPPES file of Aug 9, 2026

Doraine Grieser Spencer, FNP-C, MSN

Nurse Practitioner · Winston Salem, NC

Doraine Grieser Spencer, FNP-C, MSN is a nurse practitioner with a practice address in Winston Salem, North Carolina, and NPI 1609980564, issued on Aug 18, 2006. Check the license (North Carolina 0050-00975, as entered in NPPES) with the North Carolina 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
1609980564
Name
Doraine Grieser Spencer
Credential
FNP-C, MSN
Primary taxonomy
Nurse Practitioner 363L00000X
License number
0050-00975 NC
Self-reported in NPPES; status is on the state search
Practice location
3333 Silas Creek Pkwy, Winston Salem, NC 27103
Phone
(336) 718-5570
Enumerated
Aug 18, 2006
Record last updated
Jul 29, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3333 Silas Creek Pkwy

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

  1. Wakeem AbrahamHospitalist Physician1083317184
  2. Indrani Acosta, M.D.Neurology Physician1962699892
  3. Quentin Adams, M.D.Radiation Oncology Physician1679923270
  4. Richard Adams, LPCMental Health Counselor1871868315
  5. Emily Addington, FNP-CNurse Practitioner1174251193
  6. Victor Adkisson, MDInternal Medicine Physician1912058553

Verify Doraine Grieser Spencer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich North Carolina board licenses this profession
    Search for license 0050-00975
    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 North Carolina 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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51% fewer Medicare Part D claims than the average nurse practitioner in 2024

543 Medicare Part D claims for 123 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 45 claims were for opioids.

  1. Doraine Spencer543
  2. Specialty average1,109

Most prescribed

  1. Potassium Chloride60 claims
  2. Letrozole46 claims
  3. Abiraterone Acetate27 claims
  4. Ondansetron Hcl27 claims
  5. Prednisone26 claims
  6. Dexamethasone25 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): 80.8 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 score94.6
  2. Costout of 100 · 30%40.5
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Doraine Grieser Spencer among 4,524 nurse practitioner records in North Carolina

Doraine Grieser Spencer, FNP-C, MSN is one of 4,524 nurse practitioner records with a practice address in North Carolina. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 85% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2026 · 34% 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 North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

487 nurse practitioner records list a practice address in Winston Salem

They are 487 of the 10,040 NPPES records with a practice address in Winston Salem, and 4,524 nurse practitioner records in North Carolina.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Hope Beacham, ACNPWinston Salem, NC 271031295786481
  2. Ladonna Cook, FNP-CWinston Salem, NC 271031265407605
  3. Amy Dillon, NPWinston Salem, NC 271031386614089
  4. Eva Felts, RN ANPWinston Salem, NC 271031811954696
  5. Jennifer Keiger, NPWinston Salem, NC 271031255303137
  6. Suzy Lorentz, NPWinston Salem, NC 271031659346187
  7. Heather Mackey, ANPWinston Salem, NC 271031467443630
  8. Megan McLaughlin, CPNPWinston Salem, NC 271031871594762

Common questions

What is Doraine Grieser Spencer, FNP-C, MSN's NPI number?

Doraine Grieser Spencer, FNP-C, MSN's National Provider Identifier (NPI) is 1609980564, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Doraine Grieser Spencer, FNP-C, MSN located?

The NPPES record lists a practice address at 3333 Silas Creek Pkwy, Winston Salem, NC, 27103. Phone: (336) 718-5570. Providers update this record themselves, so call before visiting.

How can I verify Doraine Grieser Spencer, FNP-C, MSN's license?

NPPES lists North Carolina license number 0050-00975, as entered by the provider. Search the North Carolina board that licenses this profession; the NPPES record confirms identity only.

How much does Doraine Grieser Spencer, FNP-C, MSN prescribe under Medicare Part D?

In 2024, Doraine Grieser Spencer, FNP-C, MSN had 543 Medicare Part D claims for 123 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Doraine Grieser Spencer, FNP-C, MSN's MIPS final score?

The 2023 MIPS final score is 80.8 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.