Mary J. Scheimann, M.D.
Internal Medicine Physician · Guilford, CT
Mary J. Scheimann, M.D. is an internal medicine physician with a practice address in Guilford, Connecticut, and NPI 1205834447, issued on Jul 12, 2005. Check the license (Connecticut 029519, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mary J. Scheimann
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 029519 CT
Self-reported in NPPES; status is on the state search - Practice location
- 5 Durham RD, Guilford, CT 06437
- Phone
- (203) 453-4444
- Enumerated
- Jul 12, 2005
- Record last updated
- Apr 11, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (203) 458-9477
- Medicare enrollment
- Enrolled (PECOS I20110914000162); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 1986
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 5 Durham RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary J. Scheimann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 029519Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% more Medicare Part D claims than the average internal medicine physician in 2024
4,830 Medicare Part D claims for 626 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 45 claims were for opioids.
Most prescribed
- Atorvastatin Calcium396 claims
- Levothyroxine Sodium286 claims
- Rosuvastatin Calcium198 claims
- Amlodipine Besylate196 claims
- Lisinopril160 claims
- Valsartan154 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.
The MIPS final score for 2023 (Medicare payment program): 93.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Northeast Medical Group IncGuilford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary J. Scheimann among 2,623 internal medicine physician records in Connecticut
Mary J. Scheimann, M.D. is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% 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, 89% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1986 · median 2004 among the 1,646 with a school on file
- Record last updated2011 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 internal medicine physician records list a practice address in Guilford
They are 16 of the 504 NPPES records with a practice address in Guilford, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Guilford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Joseph Balsamo, M.D.Guilford, CT 064371487650222
- Donna Criscenzo, M.D.Guilford, CT 064371225036528
- Edward Dill, M.D.Guilford, CT 064371700886587
- Charles Glass, M.D.Guilford, CT 064371184613705
- Charles Hollander, MDGuilford, CT 064371902960529
- Jodi Indes, M.D.Guilford, CT 064371871566638
- Fraser LawrenceGuilford, CT 064371295084770
- Kathryn Mazza, D.O.Guilford, CT 064371497196471
Common questions
What is Mary J. Scheimann, M.D.'s NPI number?
Mary J. Scheimann, M.D.'s National Provider Identifier (NPI) is 1205834447, issued on Jul 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mary J. Scheimann, M.D. located?
The NPPES record lists a practice address at 5 Durham RD, Guilford, CT, 06437. Phone: (203) 453-4444. Providers update this record themselves, so call before visiting.
How can I verify Mary J. Scheimann, M.D.'s license?
NPPES lists Connecticut license number 029519, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary J. Scheimann, M.D. prescribe under Medicare Part D?
In 2024, Mary J. Scheimann, M.D. had 4,830 Medicare Part D claims for 626 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Mary J. Scheimann, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.