Dr. Joanna Ellen Schwartz, MD
- Medicare services, 2024
- 525
- Medicare patients, 2024
- 161
- Part D claims, 2024
- 1,543
- Hospital affiliations
- 5
- Medical groups
- 3
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Joanna Ellen Schwartz is an internist in Boston, Massachusetts
Dr. Schwartz practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Schwartz's NPI, 1316112949, was assigned on April 24, 2008. Dr. Schwartz holds Massachusetts license 250003.
- NPI
- 1316112949NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941456768
- NPI enumeration date
- April 24, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joanna Ellen Schwartz practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Schwartz's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Dr. Joanna Ellen Schwartz is affiliated with 10 sites of care and 3 medical groups
Dr. Schwartz's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Schwartz is also affiliated with Brigham and Women's Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Schwartz to 3 more hospitals, 3 group practices and clinics, 2 medical groups, 1 community health center and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joanna Ellen Schwartz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schwartz practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +9 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joanna Ellen 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. Joanna Ellen Schwartz billed Medicare for 525 services in 2024
CMS data shows 525 Medicare services from Dr. Schwartz across 10 procedure codes in 2024, for 161 Medicare patients. Medicare paid $56,441 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: 3742024: 3672%
- Other services
- 2023: 1252024: 1261%
- Tests and treatments
- 2023: 502024: 3236%
Dr. Schwartz compared with the Massachusetts median for internists, 2024
- Dr. Schwartz
- Massachusetts median
- Medicare services
- 525vs 43122% above
- Medicare patients
- 161vs 19417% below
- Part D claims
- 1,181vs 4022.9 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. Joanna Ellen Schwartz treated 161 Medicare patients in 2024, average age 75
CMS counts 161 Medicare patients who saw Dr. Schwartz in 2024. The largest group is 65 to 74, with 78 patients. 70% of them have high blood pressure, and 70% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.05, 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 73% women.
Dr. Schwartz's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Schwartz's Medicare patients by sex, 2024
- Women11270%
- Men4930%
Chronic conditions among Dr. Schwartz's Medicare patients, 2024
- High blood pressure70%
- High cholesterol70%
- Arthritis50%
- Mood disorders32%
- Osteoporosis32%
- Anxiety29%
- Chronic kidney disease27%
- Depression26%
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
- Women73%
- Men27%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joanna Ellen Schwartz wrote 1,543 Medicare Part D claims in 2024
In 2024, Dr. Schwartz wrote 1,543 Medicare Part D claims for 212 patients. 92% of them were for generic drugs. CMS names the drug for 1,181 of them, across 39 drugs with 11 or more claims each, at $36,412 in total drug cost. In 2023, CMS named 1,245 claims across 38 drugs.
Dr. Schwartz's Part D claims by kind of drug, 2024
- Generic1,421 claims92%
- Brand-name122 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
- Opioids2%25 of 1,543 claims
- Antibiotics2%24 of 1,543 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: 1,2452024: 1,1815%
Drugs named by CMS: 39 in 2024, 38 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. Joanna Ellen 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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Sources for Dr. Joanna Ellen 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| 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. Joanna Ellen 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. Joanna Ellen Schwartz's NPI number?
Dr. Joanna Ellen Schwartz's NPI number is 1316112949. It was assigned on April 24, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Joanna Ellen Schwartz?
Dr. Joanna Ellen Schwartz is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Joanna Ellen Schwartz practice?
Dr. Schwartz practices at 55 Fruit Street, Boston, MA 02114. Dr. Schwartz's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Schwartz to 3 hospitals, 3 group practices and clinics, 2 medical groups, 1 community health center and 1 home health agency.
What is Dr. Joanna Ellen Schwartz's office phone number?
The practice phone on file for Dr. Schwartz is (617) 726-2000.
What is Dr. Joanna Ellen Schwartz's medical license number?
Dr. Schwartz holds Massachusetts license 250003.
Which hospitals is Dr. Joanna Ellen Schwartz affiliated with?
Dr. Schwartz practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Schwartz is also affiliated with Brigham and Women's Hospital. Dmand AI links Dr. Schwartz to 3 more hospitals.
What medical group is Dr. Joanna Ellen Schwartz part of?
Dr. Schwartz is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Schwartz to 2 more medical groups.
Does Dr. Joanna Ellen Schwartz accept Medicare?
Yes. CMS data shows Dr. Schwartz billed Medicare for 525 services in 2024, and Dr. Schwartz accepts Medicare assignment.
Does Dr. Joanna Ellen Schwartz offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Schwartz as offering telehealth services.
How many Medicare patients does Dr. Joanna Ellen Schwartz see?
CMS counts 161 Medicare patients who saw Dr. Schwartz in 2024, with an average age of 75.
Show 3 more questionsShow fewer questions
What services does Dr. Joanna Ellen Schwartz bill to Medicare?
In 2024, Dr. Schwartz's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and medicare service (G0439).
What drugs does Dr. Joanna Ellen Schwartz prescribe most?
In 2024 Medicare Part D data, Dr. Schwartz's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
How long has Dr. Joanna Ellen Schwartz been practicing?
Dr. Schwartz graduated from medical school in 2008, 18 years ago.
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