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.
- 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
8 nearest nurse practitioner records → All 4,524 in North Carolina → Look up another NPI →
Also registered at 3333 Silas Creek Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Victor Adkisson, MDInternal Medicine Physician1912058553
Verify Doraine Grieser Spencer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich North Carolina board licenses this profession
Search for license 0050-00975Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Most prescribed
- Potassium Chloride60 claims
- Letrozole46 claims
- Abiraterone Acetate27 claims
- Ondansetron Hcl27 claims
- Prednisone26 claims
- 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.
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.
All 4,524 in North Carolina → Every provider in Winston Salem → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Hope Beacham, ACNPWinston Salem, NC 271031295786481
- Ladonna Cook, FNP-CWinston Salem, NC 271031265407605
- Amy Dillon, NPWinston Salem, NC 271031386614089
- Eva Felts, RN ANPWinston Salem, NC 271031811954696
- Jennifer Keiger, NPWinston Salem, NC 271031255303137
- Suzy Lorentz, NPWinston Salem, NC 271031659346187
- Heather Mackey, ANPWinston Salem, NC 271031467443630
- 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.