Susan Margaret Ludwig, NP
Family Nurse Practitioner · Medford, MA
Susan Margaret Ludwig, NP is a family nurse practitioner with a practice address in Medford, Massachusetts, and NPI 1679873145, issued on Oct 29, 2010. Check the license (Massachusetts RN251531, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Susan Margaret Ludwig
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- RN251531 MA
251531 MA
Self-reported in NPPES; status is on the state search - Practice location
- 170 Governors Ave, Medford, MA 02155
- Phone
- (781) 979-3000
- Enumerated
- Oct 29, 2010
- Record last updated
- Jan 8, 2026
- Medicare enrollment
- Enrolled (PECOS I20110215000816); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2010
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 170 Governors Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth AllenClinical Social Worker1316080476
- Laurie Baker, R.N,B.S.NCritical Care Medicine Registered Nurse1336341593
- David Barrasso, M.D.Geriatric Medicine (Internal Medicine) Physician1467433748
- Hyman Beshansky, RNAdult Psychiatric/Mental Health Registered Nurse1750521563
- Stacey Bryant, NPGerontology Nurse Practitioner1376521369
- Mary Buechler, MDEmergency Medicine Physician1922110287
Verify Susan Margaret Ludwig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN251531Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average family nurse practitioner in 2024
134 Medicare Part D claims for 47 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Buprenorphine-Naloxone72 claims
- Naloxone Hcl19 claims
- Topiramate11 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
- Massachusetts Acute Care Specialists PCMedford, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Susan Margaret Ludwig among 4,724 family nurse practitioner records in Massachusetts
Susan Margaret Ludwig, 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 2010, is newer than 18% of them.
- NPI issued2010 · 18% of these records are older, 80% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2010 · median 2019 among the 2,704 with a school on file
- Record last updated2026 · 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).
27 family nurse practitioner records list a practice address in Medford
They are 27 of the 1,090 NPPES records with a practice address in Medford, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Medford → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Emmanuel Agbottah, FNPMedford, MA 021551376977199
- Kristen Camara, CNPMedford, MA 021551477710515
- Jaime Dufresne, FNP-CMedford, MA 021551811277338
- Josephine Gaviola, FNP-BC, MSN-EDMedford, MA 021551194189902
- Sara Grant, FNPMedford, MA 021551104277813
- Mary Jo Holland, CFNPMedford, MA 021551437362084
- Victoria McDermott, NPMedford, MA 021551548562028
- Elise Morrell, NPMedford, MA 021551255874582
Common questions
What is Susan Margaret Ludwig, NP's NPI number?
Susan Margaret Ludwig, NP's National Provider Identifier (NPI) is 1679873145, issued on Oct 29, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Susan Margaret Ludwig, NP located?
The NPPES record lists a practice address at 170 Governors Ave, Medford, MA, 02155. Phone: (781) 979-3000. Providers update this record themselves, so call before visiting.
How can I verify Susan Margaret Ludwig, NP's license?
NPPES lists Massachusetts license number RN251531, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Susan Margaret Ludwig, NP prescribe under Medicare Part D?
In 2024, Susan Margaret Ludwig, NP had 134 Medicare Part D claims for 47 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.