Sandra Knudsen, M.D.
Family Medicine Physician · Lansdale, PA
Sandra Knudsen, M.D. is a family medicine physician with a practice address in Lansdale, Pennsylvania, and NPI 1235136078, issued on Jul 7, 2005. Check the license (Pennsylvania MD 425461, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Sandra Knudsen
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD 425461 PA
Self-reported in NPPES; status is on the state search - Practice location
- 826 N Broad St, Lansdale, PA 19446
- Phone
- (215) 855-1054
- Enumerated
- Jul 7, 2005
- Entity
- Type 1 · individual
Also registered at 826 N Broad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deanna Cavallaro Fatzinger, CRNPFamily Nurse Practitioner1437924867
- Jennifer Craig, CRNPPrimary Care Nurse Practitioner1093050759
- Alex Fierstein, DOStudent in an Organized Health Care Education/Training Program1598392565
- Barry Green, MDFamily Medicine Physician1083611339
- Susan Kennedy, MDFamily Medicine Physician1962409227
- Phelps Lambert, MDFamily Medicine Physician1083059406
Verify Sandra Knudsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD 425461Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
74% more Medicare Part D claims than the average family medicine physician in 2024
6,134 Medicare Part D claims for 673 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 30 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium333 claims
- Atorvastatin Calcium314 claims
- Lisinopril246 claims
- Levothyroxine Sodium238 claims
- Losartan Potassium227 claims
- Simvastatin221 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: $2,500.46
148 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospital and facility affiliations
- Green And Seidner Family Practice Associates PCLansdale, PA
- Novacare Outpatient Rehabilitation East, Inc.Collegeville, PA
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.
29 family medicine physician records list a Lansdale practice address
They are 29 of the 851 NPPES records with a Lansdale practice address, and 7,324 family medicine physician records in Pennsylvania.
All 29 in Lansdale → All 7,324 in Pennsylvania → Every provider in Lansdale →
Other family medicine physician records in Pennsylvania
- Christopher AaronCresson, PA1083879860
- Jose Abad, MDPittsburgh, PA1295962546
- Ray Abarintos, MDPhiladelphia, PA1417339516
- Jasim Abbasi, DOErie, PA1396537452
- Alyssa Abbott, CRNPHermitage, PA1669074456
- Daived Abboud, M.D.Allentown, PA1295189322
- Ihab Abdelaal, D.O.Macungie, PA1588944938
- Adam Abdulally, MDPittsburgh, PA1184861544
- Maimuna AbdullahiLebanon, PA1477344018
- Dulitha Abeynayaka, MDPottsville, PA1326983404
Common questions
What is Sandra Knudsen, M.D.'s NPI number?
Sandra Knudsen, M.D.'s National Provider Identifier (NPI) is 1235136078, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Sandra Knudsen, M.D. located?
The NPPES record lists a practice address at 826 N Broad St, Lansdale, PA, 19446. Phone: (215) 855-1054. Providers update this record themselves, so call before visiting.
How can I verify Sandra Knudsen, M.D.'s license?
NPPES lists Pennsylvania license number MD 425461, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sandra Knudsen, M.D. prescribe under Medicare Part D?
In 2024, Sandra Knudsen, M.D. had 6,134 Medicare Part D claims for 673 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
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.