NPPES file of Aug 9, 2026

Robert Shertick, NP

Family Nurse Practitioner · Worcester, MA

Robert Shertick, NP is a family nurse practitioner with a practice address in Worcester, Massachusetts, and NPI 1528606035, issued on Dec 16, 2019. Check the license (Massachusetts RN2273304, as entered in NPPES) with the Massachusetts 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528606035
Name
Robert Shertick
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
RN2273304 MA
Self-reported in NPPES; status is on the state search
Practice location
366 Shrewsbury St, Worcester, MA 01604
Phone
(508) 595-2700
Enumerated
Dec 16, 2019
Record last updated
Dec 17, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(774) 221-5136
Medicare enrollment
Enrolled (PECOS I20200203002296); 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.
Download card Updates feed

Also registered at 366 Shrewsbury St

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

  1. Tatiana Achildiev, PAPhysician Assistant1740532761
  2. Mohsina Alom, MDPediatrics Physician1992965073
  3. Allyson Alting, FNPFamily Nurse Practitioner1407337413
  4. Aimee Beck, DNP, FNPFamily Nurse Practitioner1265802342
  5. Thomas Beltz, PA-CMedical Physician Assistant1285718205
  6. Qingning Bian, MDInternal Medicine Physician1982019261

Verify Robert Shertick in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license RN2273304
    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 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

77% fewer Medicare Part D claims than the average family nurse practitioner in 2024

302 Medicare Part D claims for 223 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Robert Shertick302
  2. Specialty average1,305

Most prescribed

  1. Amoxicillin-Clavulanate Potass49 claims
  2. Prednisone48 claims
  3. Albuterol Sulfate Hfa26 claims
  4. Doxycycline Monohydrate21 claims
  5. Azithromycin18 claims
  6. Ofloxacin15 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.

Industry payments in 2024: $25.35

1 payment: food and beverage; the largest payer was Abbvie Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Shertick$25.35
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Reliant Medical Group IncAuburn, MA

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

Robert Shertick among 4,724 family nurse practitioner records in Massachusetts

Robert Shertick, NP is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 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 2019, is newer than 54% of them.

  • NPI issued2019 · 54% of these records are older, 40% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2019 · median 2019 among the 2,704 with a school on file
  • Record last updated2019 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

177 family nurse practitioner records list a practice address in Worcester

They are 177 of the 13,166 NPPES records with a practice address in Worcester, and 4,724 family nurse practitioner records in Massachusetts.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Allyson Alting, FNPWorcester, MA 016041407337413
  2. Phoebe AmoakoWorcester, MA 016041891346854
  3. Aimee Beck, DNP, FNPWorcester, MA 016041265802342
  4. Kristen Burke, DNP, APRN, FNP-BCWorcester, MA 016041407312192
  5. Rachel Derry, F.N.P - B.C.Worcester, MA 016041801233127
  6. Kristen Direnzo, FNPWorcester, MA 016041770953069
  7. Siah Foday, FNPWorcester, MA 016041750513339
  8. Judi Gachunga Machira, NPWorcester, MA 016041639764749

Common questions

What is Robert Shertick, NP's NPI number?

Robert Shertick, NP's National Provider Identifier (NPI) is 1528606035, issued on Dec 16, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Robert Shertick, NP located?

The NPPES record lists a practice address at 366 Shrewsbury St, Worcester, MA, 01604. Phone: (508) 595-2700. Providers update this record themselves, so call before visiting.

How can I verify Robert Shertick, NP's license?

NPPES lists Massachusetts license number RN2273304, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Robert Shertick, NP prescribe under Medicare Part D?

In 2024, Robert Shertick, NP had 302 Medicare Part D claims for 223 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.