Dr. Peter B. Dorschner, MD

  • Braintree, MA
  • Internist
NPI1750770434PAC ID5597051441
Medicare services, 2024
2,346
Medicare patients, 2024
226
Part D claims, 2024
5,123
Publications
4
Hospital affiliations
4
Practice address
111 Grossman Dr, Braintree, MA 02184
Practice phone
Call (617) 421-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Harvard Vanguard Medical Associates

Braintree, Massachusetts

See all 7 affiliations

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Dr. Peter B. Dorschner is an internist in Braintree, Massachusetts

Dr. Dorschner practices at Harvard Vanguard Medical Associates in Braintree, Massachusetts.

Dr. Dorschner's NPI, 1750770434, was assigned on January 17, 2015. Dr. Dorschner holds Massachusetts license 267756.

NPI and contact details
Medicare PAC ID
5597051441
NPI enumeration date
January 17, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(617) 421-1000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
36
Medical school graduation
2016

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

Dr. Peter B. Dorschner practices at Harvard Vanguard Medical Associates in Braintree, Massachusetts

Dr. Dorschner's primary practice is Harvard Vanguard Medical Associates, at 111 Grossman Dr, Braintree, MA 02184 in Norfolk County. The practice phone is (617) 421-1000.

  • Harvard Vanguard Medical Associates
    111 Grossman Dr, Braintree, MA 02184 · Norfolk CountyPhone(617) 421-1000

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

Dr. Peter B. Dorschner is affiliated with 5 sites of care and 2 medical groups

Dr. Dorschner's primary practice is Harvard Vanguard Medical Associates in Braintree, Massachusetts. Dr. Dorschner is also affiliated with Massachusetts General Hospital. The medical group on file is Dartmouth Hitchcock Medical Center. Dmand AI also links Dr. Dorschner to 3 more hospitals and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Dorschner

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

Dmand AI tracks the EHR system at Dr. Peter B. Dorschner's practice

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

EHR by site
SiteEHR vendor and product
Harvard Vanguard Medical AssociatesAvailable 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. Peter B. Dorschner is one of 5,528 internists in Massachusetts

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

Specialties and state licenses

  • Internal medicine, MassachusettsPrimaryLicense 267756 · taxonomy 207R00000X

Internists near Dr. Dorschner

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. Peter B. Dorschner billed Medicare for 2,346 services in 2024

CMS data shows 2,346 Medicare services from Dr. Dorschner across 43 procedure codes in 2024, for 226 Medicare patients. Medicare paid $51,982 for them. Every service was in an office.

Medicare services, 20242,346
Medicare patients226
Paid by Medicare$51,982
Procedure codes43

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

  • 2023
  • 2024
Lab and pathology
2023: 1,2082024: 1,35812%
Office and hospital visits
2023: 3312024: 3547%
Surgery
2023: 3562024: 3424%
Other services
2023: 1552024: 17110%
Tests and treatments
2023: 772024: 12157%

Dr. Dorschner compared with the Massachusetts median for internists, 2024

  • Dr. Dorschner
  • Massachusetts median
Medicare services
2,346vs 4315.4 times
Medicare patients
226vs 19416% above
Part D claims
4,478vs 40211.1 times

Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Dorschner'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. Dorschner

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

Dr. Peter B. Dorschner treated 226 Medicare patients in 2024, average age 74

CMS counts 226 Medicare patients who saw Dr. Dorschner in 2024. The largest group is 65 to 74, with 104 patients. 73% of them have high blood pressure, and 72% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.22, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Dorschner's median patient age at 56, with 44% women.

Medicare patients, 2024226
Average age74
Average risk score1.22
Also on Medicaid18%

Dr. Dorschner's Medicare patients by age, 2024

Dr. Dorschner's Medicare patients by sex, 2024

  • Women9843%
  • Men12857%

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

  1. High blood pressure73%
  2. High cholesterol72%
  3. Diabetes34%
  4. Chronic kidney disease28%
  5. Arthritis24%
  6. Mood disorders23%
  7. Cancer19%
  8. Depression19%

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

Dr. Dorschner's patients across all payers

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

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women44%
  • Men54%

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

Dr. Peter B. Dorschner wrote 5,123 Medicare Part D claims in 2024

In 2024, Dr. Dorschner wrote 5,123 Medicare Part D claims for 400 patients. 84% of them were for generic drugs. CMS names the drug for 4,478 of them, across 101 drugs with 11 or more claims each, at $518,503 in total drug cost. In 2023, CMS named 4,975 claims across 116 drugs.

Part D claims, 20245,123
Drugs named by CMS101
Total drug cost$518,503
Part D patients400

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

  • Generic4,315 claims84%
  • Brand-name771 claims15%
  • Other37 claims1%

Dr. Dorschner'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. Dorschner's Part D claims, 2024

  • Opioids2%123 of 5,123 claims
  • Antibiotics1%46 of 5,123 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: 4,9752024: 4,47810%

Drugs named by CMS: 101 in 2024, 116 in 2023.

See all prescribing by Dr. Dorschner

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. Peter B. Dorschner offers telehealth to Medicare patients

Dr. Dorschner accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Dorschner as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Peter B. Dorschner has 4 publications on record

Dmand AI links 4 papers to Dr. Dorschner, published from 2014 to 2019. The most frequent topics are Cross Infection, Liver Transplantation and Transplant Recipients. Dr. Dorschner has published most often in Transpl Infect Dis. Dr. Dorschner's most frequent co-authors are Madeleine R. Heldman, MD and Valentina Stosor, MD.

Papers4
Years published2014 to 2019

Dr. Dorschner's papers by year, 2014 to 2019

Topics Dr. Dorschner writes about most

  • Cross Infection
  • Liver Transplantation
  • Transplant Recipients

Dr. Dorschner's most frequent co-authors

Recent publications by Dr. Dorschner

See all 4 publications and co-authors

See who Dr. Dorschner researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dorschner works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Peter B. Dorschner received $25 in industry payments in 2025

CMS Open Payments shows 1 general payment to Dr. Dorschner from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $25.

Companies that paid Dr. Dorschner the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Dorschner

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

Sources for Dr. Peter B. Dorschner'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 DataDmand AI Org Hierarchy 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Peter B. Dorschner

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. Peter B. Dorschner's NPI number?

Dr. Peter B. Dorschner's NPI number is 1750770434. It was assigned on January 17, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. Peter B. Dorschner?

Dr. Peter B. Dorschner is an internist in Braintree, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Peter B. Dorschner practice?

Dr. Dorschner practices at 111 Grossman Dr, Braintree, MA 02184. Dr. Dorschner's primary practice is Harvard Vanguard Medical Associates in Braintree, Massachusetts. Dmand AI also links Dr. Dorschner to 3 hospitals and 1 medical group.

What is Dr. Peter B. Dorschner's office phone number?

The practice phone on file for Dr. Dorschner is (617) 421-1000.

What is Dr. Peter B. Dorschner's medical license number?

Dr. Dorschner holds Massachusetts license 267756.

Which hospitals is Dr. Peter B. Dorschner affiliated with?

Dr. Dorschner is affiliated with Massachusetts General Hospital. Dmand AI links Dr. Dorschner to 3 more hospitals.

What medical group is Dr. Peter B. Dorschner part of?

Dr. Dorschner is linked to Dartmouth Hitchcock Medical Center. Dmand AI links Dr. Dorschner to 1 more medical group.

Does Dr. Peter B. Dorschner accept Medicare?

Yes. CMS data shows Dr. Dorschner billed Medicare for 2,346 services in 2024, and Dr. Dorschner accepts Medicare assignment.

Does Dr. Peter B. Dorschner offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Dorschner as offering telehealth services.

How many Medicare patients does Dr. Peter B. Dorschner see?

CMS counts 226 Medicare patients who saw Dr. Dorschner in 2024, with an average age of 74.

Show 6 more questionsShow fewer questions

What services does Dr. Peter B. Dorschner bill to Medicare?

In 2024, Dr. Dorschner's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and lab and pathology test (83036).

What drugs does Dr. Peter B. Dorschner prescribe most?

In 2024 Medicare Part D data, Dr. Dorschner's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.

Has Dr. Peter B. Dorschner received payments from drug or device companies?

CMS Open Payments shows $25 in general payments to Dr. Dorschner from 1 company from 2025 to 2025. The largest total came from Gilead Sciences, Inc.

How long has Dr. Peter B. Dorschner been practicing?

Dr. Dorschner graduated from medical school in 2016, 10 years ago.

Does Dr. Peter B. Dorschner do research?

Dmand AI links 4 publications to Dr. Dorschner, published from 2014 to 2019.

Who does Dr. Peter B. Dorschner publish with?

Dr. Dorschner's most frequent co-authors are Madeleine R. Heldman, MD (1 shared paper) and Valentina Stosor, MD (1 shared paper).

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