Marilyn E. Olsen, PA
Physician Assistant · Middlebury, CT
Marilyn E. Olsen, PA is a physician assistant with a practice address in Middlebury, Connecticut, and NPI 1407856917, issued on Jul 26, 2005. Check the license (Connecticut 000797, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marilyn E. Olsen
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 000797 CT
Self-reported in NPPES; status is on the state search - Practice location
- 850 Straits Tpke, Middlebury, CT 06762
- Phone
- (203) 758-1800
- Enumerated
- Jul 26, 2005
- Record last updated
- Oct 4, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (203) 758-1804
- Medicare enrollment
- Enrolled (PECOS I20100210000636); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,047 in Connecticut → Look up another NPI →
Also registered at 850 Straits Tpke
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marilyn E. Olsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 000797Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% more Medicare Part D claims than the average physician assistant in 2024
1,034 Medicare Part D claims for 106 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Sevelamer Carbonate168 claims
- Amlodipine Besylate70 claims
- Atorvastatin Calcium63 claims
- Pantoprazole Sodium45 claims
- Eliquis38 claims
- Carvedilol33 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: $103.50
5 payments; by number, the most common kind was food and beverage; the largest payer was Travere Therapeutics, Inc. The 64,719 providers of this specialty with any payment received $841.65 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.
Bills Medicare through one group practice
- Nephrology And Hypertension Assoc PCMiddlebury, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marilyn E. Olsen among 2,047 physician assistant records in Connecticut
Marilyn E. Olsen, PA is one of 2,047 physician assistant records with a practice address in Connecticut. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 96% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1998 · median 2018 among the 1,338 with a school on file
- Record last updated2013 · 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 363A00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 physician assistant records list a practice address in Middlebury
They are 12 of the 253 NPPES records with a practice address in Middlebury, and 2,047 physician assistant records in Connecticut.
All 2,047 in Connecticut → Every provider in Middlebury → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Katrina Greaves, PA-CMiddlebury, CT 067621982219580
- Timothy Lebel, PA-CMiddlebury, CT 067621790270825
- Patricia Marriott, PA-C, MPASMiddlebury, CT 067621851373658
- W Miner, PAMiddlebury, CT 067621518922608
- Rosemary PehlertMiddlebury, CT 067621659151470
- Amanda Potts, PA-C, MHSMiddlebury, CT 067621902369622
- Fuka RealeMiddlebury, CT 067621194662684
- Erin Sanzone, PA-CMiddlebury, CT 067621962437657
Common questions
What is Marilyn E. Olsen, PA's NPI number?
Marilyn E. Olsen, PA's National Provider Identifier (NPI) is 1407856917, issued on Jul 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Marilyn E. Olsen, PA located?
The NPPES record lists a practice address at 850 Straits Tpke, Middlebury, CT, 06762. Phone: (203) 758-1800. Providers update this record themselves, so call before visiting.
How can I verify Marilyn E. Olsen, PA's license?
NPPES lists Connecticut license number 000797, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Marilyn E. Olsen, PA prescribe under Medicare Part D?
In 2024, Marilyn E. Olsen, PA had 1,034 Medicare Part D claims for 106 beneficiaries; the average among physician assistant prescribers was 830. 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.