Dr. Mary T. Schwartz, MD
- Medicare services, 2024
- 1,306
- Medicare patients, 2024
- 344
- Part D claims, 2024
- 2,512
- Hospital affiliations
- 6
- Medical groups
- 2
- Practice address
- 260 Merrimac St, Newburyport, MA 01950
- Practice phone
- Call (978) 521-3200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mass General Brigham Community Physicians Inc.
Newburyport, Massachusetts
Find Dr. Schwartz's professional email, personal email and mobile number
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Dr. Mary T. Schwartz is an internist in Newburyport, Massachusetts
Dr. Schwartz practices at Mass General Brigham Community Physicians Inc. in Newburyport, Massachusetts.
Dr. Schwartz's NPI, 1699782763, was assigned on August 2, 2006. Dr. Schwartz graduated from Hahnemann University College of Medicine in 1990. Dr. Schwartz holds Massachusetts license 154489.
- NPI
- 1699782763NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365533536
- NPI enumeration date
- August 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (978) 521-3200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mary T. Schwartz practices at Mass General Brigham Community Physicians Inc. in Newburyport, Massachusetts
Dr. Schwartz's primary practice is Mass General Brigham Community Physicians Inc., at 260 Merrimac St, Newburyport, MA 01950 in Essex County. The practice phone is (978) 521-3200.
- Mass General Brigham Community Physicians Inc.260 Merrimac St, Newburyport, MA 01950 · Essex CountyPhone(978) 521-3200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mary T. Schwartz is affiliated with 12 sites of care and 2 medical groups
Dr. Schwartz's primary practice is Mass General Brigham Community Physicians Inc. in Newburyport, Massachusetts. Dr. Schwartz is also affiliated with Anna Jaques Hospital. The medical group on file is Mass General Brigham (formerly North Shore Physicians Group). Dmand AI also links Dr. Schwartz to 5 more hospitals, 3 home health agencies, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mary T. Schwartz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schwartz practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mass General Brigham Community Physicians Inc. | Available with a free account |
| +11 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mary T. Schwartz is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Schwartz's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Schwartz is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Schwartz
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mary T. Schwartz billed Medicare for 1,306 services in 2024
CMS data shows 1,306 Medicare services from Dr. Schwartz across 15 procedure codes in 2024, for 344 Medicare patients. Medicare paid $74,012 for them. Every service was in an office.
Dr. Schwartz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5072024: 56712%
- Other services
- 2023: 1142024: 337196%
- Tests and treatments
- 2023: 2542024: 2454%
- Drugs given in the office
- 2023: 822024: 9111%
- Lab and pathology
- 2023: 292024: 3728%
- Imaging
- 2023: 202024: 2945%
Dr. Schwartz compared with the Massachusetts median for internists, 2024
- Dr. Schwartz
- Massachusetts median
- Medicare services
- 1,306vs 4313.0 times
- Medicare patients
- 344vs 19477% above
- Part D claims
- 2,004vs 4025.0 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Schwartz'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary T. Schwartz treated 344 Medicare patients in 2024, average age 74
CMS counts 344 Medicare patients who saw Dr. Schwartz in 2024. The largest group is 65 to 74, with 147 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Schwartz's median patient age at 68, with 80% women.
Dr. Schwartz's Medicare patients by age, 2024
Dr. Schwartz's Medicare patients by sex, 2024
- Women25975%
- Men8525%
Chronic conditions among Dr. Schwartz's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis46%
- Anxiety31%
- Mood disorders25%
- Diabetes24%
- Ischemic heart disease24%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Schwartz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women80%
- Men18%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mary T. Schwartz wrote 2,512 Medicare Part D claims in 2024
In 2024, Dr. Schwartz wrote 2,512 Medicare Part D claims for 321 patients. 92% of them were for generic drugs. CMS names the drug for 2,004 of them, across 44 drugs with 11 or more claims each, at $74,478 in total drug cost. In 2023, CMS named 2,347 claims across 55 drugs.
Dr. Schwartz's Part D claims by kind of drug, 2024
- Generic2,323 claims92%
- Brand-name and other189 claims8%
Dr. Schwartz'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. Schwartz's Part D claims, 2024
- Opioids10%243 of 2,512 claims
- Antibiotics2%62 of 2,512 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: 2,3472024: 2,00415%
Drugs named by CMS: 44 in 2024, 55 in 2023.
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 T. Schwartz offers telehealth to Medicare patients
Dr. Schwartz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Schwartz as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mary T. Schwartz graduated from Hahnemann University College of Medicine
Dr. Schwartz graduated from Hahnemann University College of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mary T. Schwartz's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mary T. Schwartz
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 T. Schwartz's NPI number?
Dr. Mary T. Schwartz's NPI number is 1699782763. It was assigned on August 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary T. Schwartz?
Dr. Mary T. Schwartz is an internist in Newburyport, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mary T. Schwartz practice?
Dr. Schwartz practices at 260 Merrimac St, Newburyport, MA 01950. Dr. Schwartz's primary practice is Mass General Brigham Community Physicians Inc. in Newburyport, Massachusetts. Dmand AI also links Dr. Schwartz to 5 hospitals, 3 home health agencies, 2 group practices and clinics and 1 medical group.
What is Dr. Mary T. Schwartz's office phone number?
The practice phone on file for Dr. Schwartz is (978) 521-3200.
What is Dr. Mary T. Schwartz's medical license number?
Dr. Schwartz holds Massachusetts license 154489.
Which hospitals is Dr. Mary T. Schwartz affiliated with?
Dr. Schwartz is affiliated with Anna Jaques Hospital. Dmand AI links Dr. Schwartz to 5 more hospitals.
What medical group is Dr. Mary T. Schwartz part of?
Dr. Schwartz is linked to Mass General Brigham (formerly North Shore Physicians Group). Dmand AI links Dr. Schwartz to 1 more medical group.
Does Dr. Mary T. Schwartz accept Medicare?
Yes. CMS data shows Dr. Schwartz billed Medicare for 1,306 services in 2024, and Dr. Schwartz accepts Medicare assignment.
Does Dr. Mary T. Schwartz offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Schwartz as offering telehealth services.
How many Medicare patients does Dr. Mary T. Schwartz see?
CMS counts 344 Medicare patients who saw Dr. Schwartz in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
What services does Dr. Mary T. Schwartz bill to Medicare?
In 2024, Dr. Schwartz's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and infusion or chemotherapy administration (96372).
Where did Dr. Mary T. Schwartz go to medical school?
Dr. Schwartz graduated from Hahnemann University College of Medicine in 1990.
What drugs does Dr. Mary T. Schwartz prescribe most?
In 2024 Medicare Part D data, Dr. Schwartz's most prescribed drugs by claims were Lorazepam, Amlodipine Besylate and Lisinopril.
How long has Dr. Mary T. Schwartz been practicing?
Dr. Schwartz graduated from medical school in 1990, 36 years ago.
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