Dr. Stephen A. Alsdorf, MD
- Medicare services, 2024
- 136
- Medicare patients, 2024
- 153
- Part D claims, 2024
- 4,351
- Hospital affiliations
- 2
- Industry payments
- $139
- Practice address
- 444 Stockbridge Road, Great Barrington, MA 01230
- Practice phone
- Call (413) 528-8580
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Great Barrington Health Center
FQHC - Main Site · Great Barrington, Massachusetts
Find Dr. Alsdorf's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Stephen A. Alsdorf is a family medicine physician in Great Barrington, Massachusetts
Dr. Alsdorf practices at Great Barrington Health Center in Great Barrington, Massachusetts.
Dr. Alsdorf's NPI, 1952358749, was assigned on May 28, 2006. Dr. Alsdorf graduated from UMass Chan Medical School in 2002. Dr. Alsdorf holds Massachusetts license 226367.
- NPI
- 1952358749NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264453448
- NPI enumeration date
- May 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (413) 528-8580
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen A. Alsdorf practices at Great Barrington Health Center in Great Barrington, Massachusetts
Dr. Alsdorf's primary practice is Great Barrington Health Center, at 444 Stockbridge Road, Great Barrington, MA 01230 in Berkshire County. The practice phone is (413) 528-8580.
- Great Barrington Health Center444 Stockbridge Road, Great Barrington, MA 01230 · Berkshire CountyPhone(413) 528-8580
Source: Dmand AI Affiliation Data
Dr. Stephen A. Alsdorf is affiliated with 7 sites of care and 1 medical group
Dr. Alsdorf's primary practice is Great Barrington Health Center in Great Barrington, Massachusetts. Dr. Alsdorf is also affiliated with Fairview Hospital. The medical group on file is CHP Great Barrington Community Health Center. Dmand AI also links Dr. Alsdorf to 1 more hospital, 3 home health agencies and 1 hospice, each named with a free account. Dr. Alsdorf's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephen A. Alsdorf's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Alsdorf practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Great Barrington Health Center | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen A. Alsdorf is one of 2,036 family medicine physicians in Massachusetts
Family medicine is Dr. Alsdorf's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Alsdorf is licensed in Massachusetts.
Specialties and state licenses
- Family medicine, MassachusettsPrimary
Family medicine physicians near Dr. Alsdorf
Counts of family medicine physicians 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. Stephen A. Alsdorf billed Medicare for 136 services in 2024
CMS data shows 136 Medicare services from Dr. Alsdorf across 5 procedure codes in 2024, for 153 Medicare patients. Medicare paid $2,486 for them. Every service was in an office.
Dr. Alsdorf's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 482024: 9598%
- Tests and treatments
- 2023: 732024: 4144%
- Surgery
- 2023: 122024: 0100%
Dr. Alsdorf compared with the Massachusetts median for family medicine physicians, 2024
- Dr. Alsdorf
- Massachusetts median
- Medicare services
- 136vs 36162% below
- Medicare patients
- 153vs 156Close to median
- Part D claims
- 3,681vs 8084.6 times
Medians across 2,093 family medicine physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Alsdorf'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Alsdorf and other family medicine physicians in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen A. Alsdorf treated 153 Medicare patients in 2024, average age 72
CMS counts 153 Medicare patients who saw Dr. Alsdorf in 2024. The largest group is 65 to 74, with 77 patients. 65% of them have high cholesterol, and 61% have high blood pressure. 36% are also on Medicaid. Their average risk score is 0.92, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Alsdorf's median patient age at 69, with 45% women.
Dr. Alsdorf's Medicare patients by age, 2024
Dr. Alsdorf's Medicare patients by sex, 2024
- Women7750%
- Men7650%
Chronic conditions among Dr. Alsdorf's Medicare patients, 2024
- High cholesterol65%
- High blood pressure61%
- Arthritis37%
- Diabetes34%
- Ischemic heart disease25%
- Mood disorders23%
- Anxiety21%
- Depression19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Alsdorf's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen A. Alsdorf wrote 4,351 Medicare Part D claims in 2024
In 2024, Dr. Alsdorf wrote 4,351 Medicare Part D claims for 480 patients. 86% of them were for generic drugs. CMS names the drug for 3,681 of them, across 81 drugs with 11 or more claims each, at $391,400 in total drug cost. In 2023, CMS named 3,482 claims across 84 drugs.
Dr. Alsdorf's Part D claims by kind of drug, 2024
- Generic3,722 claims86%
- Brand-name592 claims14%
- Other37 claims1%
Dr. Alsdorf'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. Alsdorf's Part D claims, 2024
- Opioids2%91 of 4,351 claims
- Antibiotics2%82 of 4,351 claims
- Antipsychotics, patients 65 and over0%17 of 4,351 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: 3,4822024: 3,6816%
Drugs named by CMS: 81 in 2024, 84 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
How Dr. Stephen A. Alsdorf takes part in Medicare
Dr. Alsdorf accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Stephen A. Alsdorf received $139 in industry payments from 2020 to 2025
CMS Open Payments shows 2 general payments to Dr. Alsdorf from 2 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $109.
General payments to Dr. Alsdorf by program year, 2020 to 2025
Companies that paid Dr. Alsdorf the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen A. Alsdorf graduated from UMass Chan Medical School
Dr. Alsdorf graduated from UMass Chan Medical School in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen A. Alsdorf'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)Doctors and Clinicians Utilization Data (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. Stephen A. Alsdorf
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. Stephen A. Alsdorf's NPI number?
Dr. Stephen A. Alsdorf's NPI number is 1952358749. It was assigned on May 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen A. Alsdorf?
Dr. Stephen A. Alsdorf is a family medicine physician in Great Barrington, Massachusetts. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Stephen A. Alsdorf practice?
Dr. Alsdorf practices at 444 Stockbridge Road, Great Barrington, MA 01230. Dr. Alsdorf's primary practice is Great Barrington Health Center in Great Barrington, Massachusetts. Dmand AI also links Dr. Alsdorf to 1 hospital, 3 home health agencies and 1 hospice.
What is Dr. Stephen A. Alsdorf's office phone number?
The practice phone on file for Dr. Alsdorf is (413) 528-8580.
What is Dr. Stephen A. Alsdorf's medical license number?
Dr. Alsdorf holds Massachusetts license 226367.
Which hospitals is Dr. Stephen A. Alsdorf affiliated with?
Dr. Alsdorf is affiliated with Fairview Hospital. Dmand AI links Dr. Alsdorf to 1 more hospital.
What medical group is Dr. Stephen A. Alsdorf part of?
Dr. Alsdorf is linked to CHP Great Barrington Community Health Center.
Does Dr. Stephen A. Alsdorf accept Medicare?
Yes. CMS data shows Dr. Alsdorf billed Medicare for 136 services in 2024, and Dr. Alsdorf accepts Medicare assignment.
How many Medicare patients does Dr. Stephen A. Alsdorf see?
CMS counts 153 Medicare patients who saw Dr. Alsdorf in 2024, with an average age of 72.
What services does Dr. Stephen A. Alsdorf bill to Medicare?
In 2024, Dr. Alsdorf's most billed Medicare services were lab and pathology test (83036), lab and pathology test (87635) and heart test or procedure (93005).
Show 4 more questionsShow fewer questions
Where did Dr. Stephen A. Alsdorf go to medical school?
Dr. Alsdorf graduated from UMass Chan Medical School in 2002.
What drugs does Dr. Stephen A. Alsdorf prescribe most?
In 2024 Medicare Part D data, Dr. Alsdorf's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
Has Dr. Stephen A. Alsdorf received payments from drug or device companies?
CMS Open Payments shows $139 in general payments to Dr. Alsdorf from 2 companies from 2020 to 2025. The largest total came from Amgen Inc.
How long has Dr. Stephen A. Alsdorf been practicing?
Dr. Alsdorf graduated from medical school in 2002, 24 years ago.
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