Dr. Mary J. Scheimann, MD

  • Guilford, CT
  • Internist
NPI1205834447PAC ID2365528346
Medicare services, 2024
978
Medicare patients, 2024
186
Part D claims, 2024
4,830
MIPS score, 2024
100
Hospital affiliations
2
Practice address
5 Durham Rd, Guilford, CT 06437
Practice phone
Call (203) 453-7794
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

West River Surgery

Guilford, Connecticut

See all 7 affiliations

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Dr. Mary J. Scheimann is an internist in Guilford, Connecticut

Dr. Scheimann practices at West River Surgery in Guilford, Connecticut.

Dr. Scheimann's NPI, 1205834447, was assigned on July 12, 2005. Dr. Scheimann graduated from Indiana University School of Medicine in 1986. Dr. Scheimann holds Connecticut license 029519.

NPI and contact details
Medicare PAC ID
2365528346
NPI enumeration date
July 12, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(203) 453-7794
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
66
Medical school graduation
1986

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Mary J. Scheimann practices at West River Surgery in Guilford, Connecticut

Dr. Scheimann's primary practice is West River Surgery, at 5 Durham Rd, Guilford, CT 06437 in South Central Ct County. The practice phone is (203) 453-7794.

  • West River Surgery
    5 Durham Rd, Guilford, CT 06437 · South Central Ct CountyPhone(203) 453-7794

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Mary J. Scheimann is affiliated with 5 sites of care and 2 medical groups

Dr. Scheimann's primary practice is West River Surgery in Guilford, Connecticut. Dr. Scheimann is also affiliated with Yale New Haven Hospital. The medical group on file is Northeast Medical Group. Dmand AI also links Dr. Scheimann to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Scheimann

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Mary J. Scheimann's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Scheimann practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
West River SurgeryAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mary J. Scheimann is one of 2,189 internists in Connecticut

Internal medicine is Dr. Scheimann's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Scheimann is licensed in Connecticut.

Specialties and state licenses

  • Internal medicine, ConnecticutPrimaryLicense 029519 · taxonomy 207R00000X

Internists near Dr. Scheimann

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

2,189internists in Connecticut
9internists in Guilford

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Mary J. Scheimann billed Medicare for 978 services in 2024

CMS data shows 978 Medicare services from Dr. Scheimann across 11 procedure codes in 2024, for 186 Medicare patients. Medicare paid $72,189 for them. Every service was in an office.

Medicare services, 2024978
Medicare patients186
Paid by Medicare$72,189
Procedure codes11

Dr. Scheimann's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Other services
2023: 2262024: 39675%
Office and hospital visits
2023: 4422024: 39411%
Tests and treatments
2023: 1492024: 16913%
Lab and pathology
2023: 152024: 1927%

Dr. Scheimann compared with the Connecticut median for internists, 2024

  • Dr. Scheimann
  • Connecticut median
Medicare services
978vs 3902.5 times
Medicare patients
186vs 1728% above
Part D claims
4,196vs 34312.2 times

Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.

Dr. Scheimann's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Scheimann

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Mary J. Scheimann treated 186 Medicare patients in 2024, average age 77

CMS counts 186 Medicare patients who saw Dr. Scheimann in 2024. The largest group is 65 to 74, with 75 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.01, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Scheimann's median patient age at 73, with 83% women.

Medicare patients, 2024186
Average age77
Average risk score1.01
Also on Medicaid8%

Dr. Scheimann's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Scheimann's Medicare patients by sex, 2024

  • Women15382%
  • Men3318%

Chronic conditions among Dr. Scheimann's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure67%
  3. Arthritis49%
  4. Osteoporosis27%
  5. Ischemic heart disease22%
  6. Anxiety21%
  7. Chronic kidney disease19%
  8. Mood disorders19%

Share of Medicare patients with each condition. A patient can have several.

Dr. Scheimann's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women83%
  • Men16%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Mary J. Scheimann wrote 4,830 Medicare Part D claims in 2024

In 2024, Dr. Scheimann wrote 4,830 Medicare Part D claims for 626 patients. 87% of them were for generic drugs. CMS names the drug for 4,196 of them, across 85 drugs with 11 or more claims each, at $273,858 in total drug cost. In 2023, CMS named 4,294 claims across 89 drugs.

Part D claims, 20244,830
Drugs named by CMS85
Total drug cost$273,858
Part D patients626

Dr. Scheimann's Part D claims by kind of drug, 2024

  • Generic4,225 claims87%
  • Brand-name590 claims12%
  • Other15 claims0%

Dr. Scheimann's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Scheimann's Part D claims, 2024

  • Opioids1%45 of 4,830 claims
  • Antibiotics4%171 of 4,830 claims
  • Antipsychotics, patients 65 and over0%14 of 4,830 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 4,2942024: 4,1962%

Drugs named by CMS: 85 in 2024, 89 in 2023.

See all prescribing by Dr. Scheimann

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Mary J. Scheimann scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Scheimann for performance year 2024, reported through an alternative payment model (APM). Dr. Scheimann accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Scheimann's MIPS scores, performance year 2024

  • 100of 100Final score
  • 86.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Mary J. Scheimann received $283 in industry payments from 2016 to 2017

CMS Open Payments shows 16 general payments to Dr. Scheimann from 7 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $87.

General payments to Dr. Scheimann by program year, 2016 to 2017

Companies that paid Dr. Scheimann the most, 2016 to 2017

Share is of all general payments to this clinician.

See all payments to Dr. Scheimann

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Mary J. Scheimann graduated from Indiana University School of Medicine

Dr. Scheimann graduated from Indiana University School of Medicine in 1986.

  1. Medical schoolIndiana University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Mary J. Scheimann's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Mary J. Scheimann

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Mary J. Scheimann's NPI number?

Dr. Mary J. Scheimann's NPI number is 1205834447. It was assigned on July 12, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Mary J. Scheimann?

Dr. Mary J. Scheimann is an internist in Guilford, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Mary J. Scheimann practice?

Dr. Scheimann practices at 5 Durham Rd, Guilford, CT 06437. Dr. Scheimann's primary practice is West River Surgery in Guilford, Connecticut. Dmand AI also links Dr. Scheimann to 1 hospital, 2 group practices and clinics and 1 medical group.

What is Dr. Mary J. Scheimann's office phone number?

The practice phone on file for Dr. Scheimann is (203) 453-7794.

What is Dr. Mary J. Scheimann's medical license number?

Dr. Scheimann holds Connecticut license 029519.

Which hospitals is Dr. Mary J. Scheimann affiliated with?

Dr. Scheimann is affiliated with Yale New Haven Hospital. Dmand AI links Dr. Scheimann to 1 more hospital.

What medical group is Dr. Mary J. Scheimann part of?

Dr. Scheimann is linked to Northeast Medical Group. Dmand AI links Dr. Scheimann to 1 more medical group.

Does Dr. Mary J. Scheimann accept Medicare?

Yes. CMS data shows Dr. Scheimann billed Medicare for 978 services in 2024, and Dr. Scheimann accepts Medicare assignment.

What is Dr. Mary J. Scheimann's MIPS score?

Dr. Scheimann's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Mary J. Scheimann see?

CMS counts 186 Medicare patients who saw Dr. Scheimann in 2024, with an average age of 77.

Show 5 more questionsShow fewer questions

What services does Dr. Mary J. Scheimann bill to Medicare?

In 2024, Dr. Scheimann's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).

Where did Dr. Mary J. Scheimann go to medical school?

Dr. Scheimann graduated from Indiana University School of Medicine in 1986.

What drugs does Dr. Mary J. Scheimann prescribe most?

In 2024 Medicare Part D data, Dr. Scheimann's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Rosuvastatin Calcium.

Has Dr. Mary J. Scheimann received payments from drug or device companies?

CMS Open Payments shows $283 in general payments to Dr. Scheimann from 7 companies from 2016 to 2017. The largest total came from Amgen Inc.

How long has Dr. Mary J. Scheimann been practicing?

Dr. Scheimann graduated from medical school in 1986, 40 years ago.

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