Registry data as of Aug 27, 2026

Nicholas Quarshie, MD

Nephrology Physician · Worcester, MA

Nicholas Quarshie, MD is a nephrology physician with a practice address in Worcester, Massachusetts, and NPI 1497990014, issued on Dec 10, 2008. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1497990014
Name
Nicholas Quarshie
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
Practice location
55 Lake Ave N, Worcester, MA 01655
Phone
(508) 856-3155
Enumerated
Dec 10, 2008
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 55 Lake Ave N

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

  1. Nawal Aamir, MDInternal Medicine Physician1588248926
  2. Amarys Abadie, CRNACertified Registered Nurse Anesthetist1992936843
  3. Paula Abate, NPPediatric Nurse Practitioner1336265909
  4. Aly AbayazeedDiagnostic Radiology Physician1821221946
  5. Zainab AbbasInternal Medicine Physician1609028000
  6. Mary-Alice Abbott, MDPediatrics Physician1982799417

Verify Nicholas Quarshie in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck 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 Massachusetts 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.

63% more Medicare Part D claims than the average nephrology physician in 2024

2,462 Medicare Part D claims for 173 beneficiaries, against an average of 1,511 among the 8,473 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.

  1. Nicholas Quarshie2,462
  2. Specialty average1,511

Most prescribed

  1. Amlodipine Besylate301 claims
  2. Pantoprazole Sodium291 claims
  3. Prednisone236 claims
  4. Labetalol Hcl142 claims
  5. Tacrolimus125 claims
  6. Omeprazole119 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 Medicare quality score for 2023: 97 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 score78.1
  2. Costout of 100 · 30%
  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).

One hospital or facility affiliation

  1. Umass Memorial Medical Group IncWorcester, MA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Nephrology Physician providers in Massachusetts

There are 314 nephrology physician records in Massachusetts.

Other nephrology physician records in Massachusetts

  1. Amtul Aala, MDBoston, MA1174946347
  2. Reza Abdi, MDBoston, MA1356359368
  3. Vivian AbernethyBoston, MA1710960232
  4. Rekha Abichandani, M.D.Cambridge, MA1912033598
  5. Konstantin Abramov, M.D.Worcester, MA1992854707
  6. Krishna Agarwal, M.B.B.S.Springfield, MA1477916120
  7. Ahsan Alam, M.D.Boston, MA1598885980
  8. David Albert, M.D.Pittsfield, MA1386692531
  9. Saif Alenizi, M.D., M.P.H.Boston, MA1255680997
  10. Howard Alfred, M.D.Worcester, MA1942283627

Common questions

What is Nicholas Quarshie, MD's NPI number?

Nicholas Quarshie, MD's National Provider Identifier (NPI) is 1497990014, issued on Dec 10, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Quarshie, MD located?

The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (508) 856-3155. Providers update this record themselves, so call before visiting.

How can I verify Nicholas Quarshie, MD's license?

Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nicholas Quarshie, MD prescribe under Medicare Part D?

In 2024, Nicholas Quarshie, MD had 2,462 Medicare Part D claims for 173 beneficiaries; the average among nephrology physician prescribers was 1,511. Part D covers Medicare prescriptions only.

What is Nicholas Quarshie, MD's Medicare quality score?

The 2023 MIPS final score is 97 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.