NPPES file of Aug 9, 2026

Susan Marie Krolewski, MD

Family Medicine Physician · Portsmouth, NH

Susan Marie Krolewski, MD is a family medicine physician with a practice address in Portsmouth, New Hampshire, and NPI 1467406710, issued on May 20, 2006. Check the license (New Hampshire 10090, as entered in NPPES) on the New Hampshire Board of Medicine; 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
1467406710
Name
Susan Marie Krolewski
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
10090 NH
Self-reported in NPPES; status is on the state search
Practice location
264 Lafayette RD, Portsmouth, NH 03801
Phone
(603) 433-4774
Enumerated
May 20, 2006
Record last updated
Nov 16, 2023
Fax
(603) 433-8433
Medicaid ID
30010690 NH
Medicare enrollment
Enrolled (PECOS I20060110000256); accepts Medicare assignment
Medical or professional school
University Of Massachusetts Medical School, 1994
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 264 Lafayette RD

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

  1. Lori Myers, APRNNurse Practitioner1477621365

Verify Susan Marie Krolewski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Hampshire Board of Medicine
    Search for license 10090
    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 New Hampshire 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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94% fewer Medicare Part D claims than the average family medicine physician in 2024

228 Medicare Part D claims for 121 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Susan Krolewski228
  2. Specialty average3,544

Most prescribed

  1. Metoprolol Succinate29 claims
  2. Amlodipine Besylate14 claims
  3. Escitalopram Oxalate14 claims
  4. Levothyroxine Sodium13 claims
  5. Mirtazapine13 claims
  6. Atorvastatin Calcium12 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. Convenientmd - Ffs UC LLCManchester, NH

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

Susan Marie Krolewski among 816 family medicine physician records in New Hampshire

Susan Marie Krolewski, MD is one of 816 family medicine physician records with a practice address in New Hampshire. 74% 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 13% of them.

  • NPI issued2006 · 13% of these records are older, 43% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1994 · median 2003 among the 498 with a school on file
  • Record last updated2023 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

36 family medicine physician records list a practice address in Portsmouth

They are 36 of the 1,860 NPPES records with a practice address in Portsmouth, and 816 family medicine physician records in New Hampshire.

The 8 family medicine physician records with the nearest ZIP codes

  1. Keenan Al-Hojerry, MDPortsmouth, NH 038011063468981
  2. Mark Ballentyne, MDPortsmouth, NH 038011669404661
  3. David Gagnon, MDPortsmouth, NH 038011831145259
  4. Jennifer Koop, MDPortsmouth, NH 038011699769372
  5. George Kousaie, MDPortsmouth, NH 038011548263437
  6. Kenneth Lajoie, DOPortsmouth, NH 038011730142175
  7. M. Lauter, M.D.Portsmouth, NH 038011366544819
  8. Stephen Lutz, MDPortsmouth, NH 038011881640761

Common questions

What is Susan Marie Krolewski, MD's NPI number?

Susan Marie Krolewski, MD's National Provider Identifier (NPI) is 1467406710, issued on May 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Susan Marie Krolewski, MD located?

The NPPES record lists a practice address at 264 Lafayette RD, Portsmouth, NH, 03801. Phone: (603) 433-4774. Providers update this record themselves, so call before visiting.

How can I verify Susan Marie Krolewski, MD's license?

NPPES lists New Hampshire license number 10090, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Susan Marie Krolewski, MD prescribe under Medicare Part D?

In 2024, Susan Marie Krolewski, MD had 228 Medicare Part D claims for 121 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.