Dr. Alfred W. Heinser, MD
- Medicare services, 2024
- 769
- Medicare patients, 2024
- 362
- Part D claims, 2024
- 1,387
- Hospital affiliations
- 3
- Industry payments
- $24,855
- Practice address
- 133 Old Road To 9 Acre Corner, West Concord, MA 01742
- Practice phone
- Call (978) 369-1400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Heinser's professional email, personal email and mobile number
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Dr. Alfred W. Heinser is an internist in Concord, Massachusetts
Dr. Heinser practices at Emerson Hospital in West Concord, Massachusetts, part of Emerson Health System.
Dr. Heinser's NPI, 1871570218, was assigned on December 28, 2005. Dr. Heinser graduated from University of Massachusetts Medical School in 1999. Dr. Heinser holds Massachusetts license 208727.
- NPI
- 1871570218NPI Registry (opens in a new tab)
- NPI enumeration date
- December 28, 2005
- NPI status
- Active
- Practice phone
- (978) 369-1400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Alfred W. Heinser practices at Emerson Hospital in West Concord, Massachusetts
Dr. Heinser's primary practice is Emerson Hospital, at 133 Old Road To 9 Acre Corner, West Concord, MA 01742 in Middlesex County. The practice phone is (978) 369-1400.
- Emerson Hospital133 Old Road To 9 Acre Corner, West Concord, MA 01742 · Middlesex CountyPhone(978) 369-1400
Source: Dmand AI Affiliation Data
Dr. Alfred W. Heinser is affiliated with 6 sites of care and 2 medical groups
Dr. Heinser's primary practice is Emerson Hospital in West Concord, Massachusetts, part of Emerson Health System. Dr. Heinser is also affiliated with Beth Israel Deaconess Medical Center. The medical group on file is Emerson Health. Dmand AI also links Dr. Heinser to 1 more hospital, 2 group practices and clinics, 1 therapy and rehab clinic and 1 medical group, 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. Alfred W. Heinser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Heinser practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Emerson Hospital | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Emerson Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Alfred W. Heinser is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Heinser's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Heinser is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Heinser
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. Alfred W. Heinser billed Medicare for 769 services in 2024
CMS data shows 769 Medicare services from Dr. Heinser across 6 procedure codes in 2024, for 362 Medicare patients. Medicare paid $69,452 for them. Every service was in an office.
Dr. Heinser's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5542024: 43422%
- Other services
- 2023: 3162024: 23426%
- Tests and treatments
- 2023: 752024: 5132%
- Drugs given in the office
- 2023: 332024: 5052%
Dr. Heinser compared with the Massachusetts median for internists, 2024
- Dr. Heinser
- Massachusetts median
- Medicare services
- 769vs 43178% above
- Medicare patients
- 362vs 19487% above
- Part D claims
- 1,086vs 4022.7 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Heinser'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.
Need commercial claims for Dr. Heinser?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Heinser and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alfred W. Heinser treated 362 Medicare patients in 2024, average age 75
CMS counts 362 Medicare patients who saw Dr. Heinser in 2024. The largest group is 65 to 74, with 191 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 3% are also on Medicaid. Their average risk score is 0.93, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Heinser's median patient age at 62, with 34% women.
Dr. Heinser's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Heinser's Medicare patients by sex, 2024
- Women12735%
- Men23565%
Chronic conditions among Dr. Heinser's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis36%
- Ischemic heart disease32%
- Atrial fibrillation20%
- Cancer19%
- Diabetes19%
- Chronic kidney disease14%
Share of Medicare patients with each condition. A patient can have several.
Dr. Heinser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women34%
- Men65%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alfred W. Heinser wrote 1,387 Medicare Part D claims in 2024
In 2024, Dr. Heinser wrote 1,387 Medicare Part D claims for 288 patients. 92% of them were for generic drugs. CMS names the drug for 1,086 of them, across 25 drugs with 11 or more claims each, at $14,480 in total drug cost. In 2023, CMS named 1,218 claims across 30 drugs.
Dr. Heinser's Part D claims by kind of drug, 2024
- Generic1,282 claims92%
- Brand-name and other105 claims8%
Dr. Heinser'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. Heinser's Part D claims, 2024
- Antibiotics2%21 of 1,387 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: 1,2182024: 1,08611%
Drugs named by CMS: 25 in 2024, 30 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
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Dr. Alfred W. Heinser received $24,855 in industry payments from 2016 to 2025
CMS Open Payments shows 1,257 general payments to Dr. Heinser from 53 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Janssen Pharmaceuticals, Inc paid the most, $4,945.
General payments to Dr. Heinser by program year, 2016 to 2025
General payments to Dr. Heinser by kind, 2016 to 2025
- Food and beverage$24,64099%
- Education$2151%
Companies that paid Dr. Heinser the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alfred W. Heinser graduated from University of Massachusetts Medical School
Dr. Heinser graduated from University of Massachusetts Medical School in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alfred W. Heinser'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) |
| Industry payments | Open Payments (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. Alfred W. Heinser
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. Alfred W. Heinser's NPI number?
Dr. Alfred W. Heinser's NPI number is 1871570218. It was assigned on December 28, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Alfred W. Heinser?
Dr. Alfred W. Heinser is an internist in Concord, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Alfred W. Heinser practice?
Dr. Heinser practices at 133 Old Road To 9 Acre Corner, West Concord, MA 01742. Dr. Heinser's primary practice is Emerson Hospital in West Concord, Massachusetts, part of Emerson Health System. Dmand AI also links Dr. Heinser to 1 hospital, 2 group practices and clinics, 1 therapy and rehab clinic and 1 medical group.
What is Dr. Alfred W. Heinser's office phone number?
The practice phone on file for Dr. Heinser is (978) 369-1400.
What is Dr. Alfred W. Heinser's medical license number?
Dr. Heinser holds Massachusetts license 208727.
Which hospitals is Dr. Alfred W. Heinser affiliated with?
Dr. Heinser practices at Emerson Hospital in West Concord, Massachusetts. Dr. Heinser is also affiliated with Beth Israel Deaconess Medical Center. Dmand AI links Dr. Heinser to 1 more hospital.
What medical group is Dr. Alfred W. Heinser part of?
Dr. Heinser is linked to Emerson Health. Dmand AI links Dr. Heinser to 1 more medical group.
Does Dr. Alfred W. Heinser accept Medicare?
Yes. CMS data shows Dr. Heinser billed Medicare for 769 services in 2024.
How many Medicare patients does Dr. Alfred W. Heinser see?
CMS counts 362 Medicare patients who saw Dr. Heinser in 2024, with an average age of 75.
What services does Dr. Alfred W. Heinser bill to Medicare?
In 2024, Dr. Heinser's most billed Medicare services were medicare service (G0439), office visit, established patient (99213) and office visit, established patient (99214).
Show 4 more questionsShow fewer questions
Where did Dr. Alfred W. Heinser go to medical school?
Dr. Heinser graduated from University of Massachusetts Medical School in 1999.
What drugs does Dr. Alfred W. Heinser prescribe most?
In 2024 Medicare Part D data, Dr. Heinser's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
Has Dr. Alfred W. Heinser received payments from drug or device companies?
CMS Open Payments shows $24,855 in general payments to Dr. Heinser from 53 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Alfred W. Heinser been practicing?
Dr. Heinser graduated from medical school in 1999, 27 years ago.
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