Dr. Donald Hale Hangen, MD
- Medicare services, 2024
- 2,154
- Medicare patients, 2024
- 354
- Part D claims, 2024
- 37
- MIPS score, 2024
- 100
- Hospital affiliations
- 3
- Practice address
- 55 North Ave, Mendon, MA 01756
- Practice phone
- Call (508) 334-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Umass Memorial Medical Center
Mendon, Massachusetts
Find Dr. Hangen'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. Donald Hale Hangen is an orthopedic surgeon in Mendon, Massachusetts
Dr. Hangen practices at Umass Memorial Medical Center in Mendon, Massachusetts.
Dr. Hangen's NPI, 1578565511, was assigned on August 10, 2005. Dr. Hangen graduated from Stanford University School of Medicine in 1987. Dr. Hangen holds Massachusetts license 74422.
- NPI
- 1578565511NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951342252
- NPI enumeration date
- August 10, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 334-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Donald Hale Hangen practices at Umass Memorial Medical Center in Mendon, Massachusetts
Dr. Hangen's primary practice is Umass Memorial Medical Center, at 55 North Ave, Mendon, MA 01756 in Worcester County. The practice phone is (508) 334-1000.
- Umass Memorial Medical Center55 North Ave, Mendon, MA 01756 · Worcester CountyPhone(508) 334-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Donald Hale Hangen is affiliated with 6 sites of care and 2 medical groups
Dr. Hangen's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dr. Hangen is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is UMass Memorial Medical Group. Dmand AI also links Dr. Hangen to 2 more hospitals, 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. Donald Hale Hangen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hangen practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Umass Memorial Medical Center | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Donald Hale Hangen is one of 593 orthopedic surgeons in Massachusetts
Orthopaedic surgery is Dr. Hangen's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Hangen is licensed in Massachusetts.
Specialties and state licenses
- Orthopaedic surgery, MassachusettsPrimary
Orthopedic surgeons near Dr. Hangen
Counts of orthopedic surgeons 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. Donald Hale Hangen billed Medicare for 2,154 services in 2024
CMS data shows 2,154 Medicare services from Dr. Hangen across 6 procedure codes in 2024, for 354 Medicare patients. Medicare paid $59,891 for them.
Dr. Hangen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 392024: 1,4403592%
- Office and hospital visits
- 2023: 5162024: 5033%
- Surgery
- 2023: 1932024: 2119%
Where Dr. Hangen's Medicare services took place, 2024
- In an office2,13199%
- In a facility231%
Dr. Hangen compared with the Massachusetts median for orthopedic surgeons, 2024
- Dr. Hangen
- Massachusetts median
- Medicare services
- 2,154vs 6723.2 times
- Medicare patients
- 354vs 30217% above
- Part D claims
- 24vs 5052% below
Medians across 543 orthopedic surgeons in Massachusetts with Dmand AI profiles that report each measure.
Dr. Hangen'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. Hangen and other orthopedic surgeons in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Donald Hale Hangen treated 354 Medicare patients in 2024, average age 73
CMS counts 354 Medicare patients who saw Dr. Hangen in 2024. The largest group is 65 to 74, with 141 patients. 75% of them have arthritis, and 75% have high blood pressure. 27% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hangen's median patient age at 72, with 60% women.
Dr. Hangen's Medicare patients by age, 2024
Dr. Hangen's Medicare patients by sex, 2024
- Women24168%
- Men11332%
Chronic conditions among Dr. Hangen's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders32%
- Anxiety29%
- Depression27%
- Chronic kidney disease23%
- Diabetes22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hangen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Donald Hale Hangen wrote 37 Medicare Part D claims in 2024
In 2024, Dr. Hangen wrote 37 Medicare Part D claims for 22 patients. 100% of them were for generic drugs. CMS names the drug for 24 of them, across 1 drug with 11 or more claims each, at $22 in total drug cost. In 2023, CMS named 35 claims across 1 drug.
Dr. Hangen'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. Hangen's Part D claims, 2024
- Antibiotics76%28 of 37 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: 352024: 2431%
Drugs named by CMS: 1 in 2024, 1 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. Donald Hale Hangen scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Hangen for performance year 2024, reported through an alternative payment model (APM). Dr. Hangen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 37 procedures of knee replacement by Dr. Hangen, more than 70% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Hangen's MIPS scores, performance year 2024
- 100of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Hangen ranks in Medicare procedure volume
- Knee replacement
- 70th percentile37 procedures
- Hip replacement
- 69th percentile23 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Donald Hale Hangen received $3,427 in industry payments from 2016 to 2024
CMS Open Payments shows 54 general payments to Dr. Hangen from 7 drug and device companies from 2016 to 2024. Travel and lodging make up the largest share, 58% of the total. DePuy Synthes Sales Inc. paid the most, $1,300.
General payments to Dr. Hangen by program year, 2016 to 2024
General payments to Dr. Hangen by kind, 2016 to 2024
- Travel and lodging$1,98858%
- Food and beverage$1,43942%
Companies that paid Dr. Hangen the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Donald Hale Hangen graduated from Stanford University School of Medicine
Dr. Hangen graduated from Stanford University School of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Donald Hale Hangen'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)Clinician Public Reporting: Overall MIPS Performance (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. Donald Hale Hangen
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. Donald Hale Hangen's NPI number?
Dr. Donald Hale Hangen's NPI number is 1578565511. It was assigned on August 10, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Donald Hale Hangen?
Dr. Donald Hale Hangen is an orthopedic surgeon in Mendon, Massachusetts. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Donald Hale Hangen practice?
Dr. Hangen practices at 55 North Ave, Mendon, MA 01756. Dr. Hangen's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dmand AI also links Dr. Hangen to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Donald Hale Hangen's office phone number?
The practice phone on file for Dr. Hangen is (508) 334-1000.
What is Dr. Donald Hale Hangen's medical license number?
Dr. Hangen holds Massachusetts license 74422.
Which hospitals is Dr. Donald Hale Hangen affiliated with?
Dr. Hangen is affiliated with UMass Memorial Medical Center - University Campus. Dmand AI links Dr. Hangen to 2 more hospitals.
What medical group is Dr. Donald Hale Hangen part of?
Dr. Hangen is linked to UMass Memorial Medical Group. Dmand AI links Dr. Hangen to 1 more medical group.
Does Dr. Donald Hale Hangen accept Medicare?
Yes. CMS data shows Dr. Hangen billed Medicare for 2,154 services in 2024, and Dr. Hangen accepts Medicare assignment.
What is Dr. Donald Hale Hangen's MIPS score?
Dr. Hangen's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Donald Hale Hangen see?
CMS counts 354 Medicare patients who saw Dr. Hangen in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Donald Hale Hangen bill to Medicare?
In 2024, Dr. Hangen's most billed Medicare services were injected or infused drug (J1010), office visit, established patient (99213) and surgery: bones and joints (20610).
Where did Dr. Donald Hale Hangen go to medical school?
Dr. Hangen graduated from Stanford University School of Medicine in 1987.
What drugs does Dr. Donald Hale Hangen prescribe most?
In 2024 Medicare Part D data, Dr. Hangen's most prescribed drugs by claims were Amoxicillin.
Has Dr. Donald Hale Hangen received payments from drug or device companies?
CMS Open Payments shows $3,427 in general payments to Dr. Hangen from 7 companies from 2016 to 2024. The largest total came from DePuy Synthes Sales Inc.
How long has Dr. Donald Hale Hangen been practicing?
Dr. Hangen graduated from medical school in 1987, 39 years ago.
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