NPPES file of Aug 9, 2026

Spencer Masiewicz, DO

Emergency Medicine Physician · Myrtle Beach, SC

Spencer Masiewicz, DO is an emergency medicine physician with a practice address in Myrtle Beach, South Carolina, and NPI 1982145199, issued on Mar 20, 2017. Check the license (South Carolina LL41037, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1982145199
Name
Spencer Masiewicz
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
LL41037 SC
Self-reported in NPPES; status is on the state search
Practice location
809 82ND Pkwy, Myrtle Beach, SC 29572
Phone
(843) 692-1752
Enumerated
Mar 20, 2017
Record last updated
Feb 5, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(843) 692-1904
Medicare enrollment
Enrolled (PECOS I20210707003137); accepts Medicare assignment
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 809 82ND Pkwy

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

  1. Sheharyar Abbasi, DOInternal Medicine Physician1619617222
  2. Christeen Abraham, MD, MSStudent in an Organized Health Care Education/Training Program1396683579
  3. David Abramovitz, CRNACertified Registered Nurse Anesthetist1528048170
  4. Ibrahim Abu Dayah, MDInternal Medicine Physician1306368667
  5. Lauren Abusal, MD, MSCRInternal Medicine Physician1093552911
  6. Amber AdamsPhysician Assistant1447101092

Verify Spencer Masiewicz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license LL41037
    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
Open the South 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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15% more Medicare Part D claims than the average emergency medicine physician in 2024

260 Medicare Part D claims for 153 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 48 claims were for opioids.

  1. Spencer Masiewicz260
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt37 claims
  2. Prednisone22 claims
  3. Oxycodone-Acetaminophen20 claims
  4. Methocarbamol19 claims
  5. Cephalexin17 claims
  6. Hydrocodone-Acetaminophen16 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.

Bills Medicare through one group practice

  1. Georgia Emergency Department Services, P.C.Gainesville, GA

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

Spencer Masiewicz among 1,244 emergency medicine physician records in South Carolina

Spencer Masiewicz, DO is one of 1,244 emergency medicine physician records with a practice address in South Carolina. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 66% of them.

  • NPI issued2017 · 66% of these records are older, 30% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2017 · median 2012 among the 752 with a school on file
  • Record last updated2020 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

71 emergency medicine physician records list a practice address in Myrtle Beach

They are 71 of the 2,599 NPPES records with a practice address in Myrtle Beach, and 1,244 emergency medicine physician records in South Carolina.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Curtis Armstrong, DOMyrtle Beach, SC 295721447465455
  2. Hiram Brooks, M.D.Myrtle Beach, SC 295721295731438
  3. John Charles, M.D.Myrtle Beach, SC 295721457359044
  4. Matthew Desalvo, M.D.Myrtle Beach, SC 295721942206826
  5. Jamie Falkowitz, D.O.Myrtle Beach, SC 295721538384789
  6. Scott Gutovitz, MDMyrtle Beach, SC 295721376662205
  7. Janice Hart, DOMyrtle Beach, SC 295721568464469
  8. Jarratt Lark, M.D.Myrtle Beach, SC 295721538166459

Common questions

What is Spencer Masiewicz, DO's NPI number?

Spencer Masiewicz, DO's National Provider Identifier (NPI) is 1982145199, issued on Mar 20, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Spencer Masiewicz, DO located?

The NPPES record lists a practice address at 809 82ND Pkwy, Myrtle Beach, SC, 29572. Phone: (843) 692-1752. Providers update this record themselves, so call before visiting.

How can I verify Spencer Masiewicz, DO's license?

NPPES lists South Carolina license number LL41037, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Spencer Masiewicz, DO prescribe under Medicare Part D?

In 2024, Spencer Masiewicz, DO had 260 Medicare Part D claims for 153 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.