Dr. Joseph M. Hahn, MD
- Medicare services, 2024
- 105
- Medicare patients, 2024
- 117
- Hospital affiliations
- 3
- Industry payments
- $11,340
- Medical groups
- 5
- Practice address
- 5601 De Soto Avenue, Woodland Hills, CA 91367
- Practice phone
- Call (818) 719-3800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Hahn'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. Joseph M. Hahn is an orthopedic surgeon in Woodland Hills, California
Dr. Hahn practices at Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California, part of Kaiser Permanente.
Dr. Hahn's NPI, 1114192473, was assigned on April 28, 2008. Dr. Hahn holds Wyoming license 14979A.
- NPI
- 1114192473NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345545026
- NPI enumeration date
- April 28, 2008
- NPI status
- Active
- Practice phone
- (818) 719-3800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Joseph M. Hahn practices at Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California
Dr. Hahn's primary practice is Kaiser Permanente Woodland Hills Medical Center, at 5601 De Soto Avenue, Woodland Hills, CA 91367 in Los Angeles County. The practice phone is (818) 719-3800.
- Kaiser Permanente Woodland Hills Medical Center5601 De Soto Avenue, Woodland Hills, CA 91367 · Los Angeles CountyPhone(818) 719-3800
Source: Dmand AI Affiliation Data
Dr. Joseph M. Hahn is affiliated with 5 sites of care and 5 medical groups
Dr. Hahn's primary practice is Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California, part of Kaiser Permanente. Dr. Hahn is also affiliated with Charlton Memorial Hospital. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Hahn to 1 more hospital, 4 medical groups, 1 dialysis center and 1 group practice or clinic, 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. Joseph M. Hahn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hahn practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Woodland Hills Medical Center | Available with a free account |
| +4 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joseph M. Hahn is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Hahn's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Hahn is licensed in Wyoming.
Specialties and state licenses
- Orthopaedic surgery, WyomingPrimary
Orthopedic surgeons near Dr. Hahn
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. Joseph M. Hahn billed Medicare for 105 services in 2024
CMS data shows 105 Medicare services from Dr. Hahn across 6 procedure codes in 2024, for 117 Medicare patients. Medicare paid $37,737 for them.
Dr. Hahn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 442024: 5320%
- Surgery
- 2023: 222024: 3977%
- Office and hospital visits
- 2023: 182024: 1328%
Where Dr. Hahn's Medicare services took place, 2024
- In an office6663%
- In a facility3937%
Dr. Hahn compared with the California median for orthopedic surgeons, 2024
- Dr. Hahn
- California median
- Medicare services
- 105vs 68385% below
- Medicare patients
- 117vs 21546% below
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Hahn'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. Hahn?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hahn and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joseph M. Hahn treated 117 Medicare patients in 2024, average age 78
CMS counts 117 Medicare patients who saw Dr. Hahn in 2024. The largest group is 75 to 84, with 37 patients. 75% of them have high blood pressure, and 66% have arthritis. 26% are also on Medicaid. Their average risk score is 1.75, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Hahn's median patient age at 69, with 55% women.
Dr. Hahn's Medicare patients by age, 2024
Dr. Hahn's Medicare patients by sex, 2024
- Women7262%
- Men4538%
Chronic conditions among Dr. Hahn's Medicare patients, 2024
- High blood pressure75%
- Arthritis66%
- High cholesterol57%
- Mood disorders45%
- Osteoporosis41%
- Depression40%
- Ischemic heart disease40%
- Diabetes37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hahn'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
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Joseph M. Hahn takes part in Medicare
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Source: Doctors and Clinicians Utilization Data (CMS)
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Dr. Joseph M. Hahn received $11,340 in industry payments from 2016 to 2025
CMS Open Payments shows 148 general payments to Dr. Hahn from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 68% of the total. Stryker Corporation paid the most, $5,094.
General payments to Dr. Hahn by program year, 2016 to 2025
General payments to Dr. Hahn by kind, 2016 to 2025
- Food and beverage$7,69968%
- Education$2,40021%
- Travel and lodging$1,24111%
Companies that paid Dr. Hahn the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Joseph M. Hahn'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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. Joseph M. Hahn
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. Joseph M. Hahn's NPI number?
Dr. Joseph M. Hahn's NPI number is 1114192473. It was assigned on April 28, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph M. Hahn?
Dr. Joseph M. Hahn is an orthopedic surgeon in Woodland Hills, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Joseph M. Hahn practice?
Dr. Hahn practices at 5601 De Soto Avenue, Woodland Hills, CA 91367. Dr. Hahn's primary practice is Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California, part of Kaiser Permanente. Dmand AI also links Dr. Hahn to 1 hospital, 4 medical groups, 1 dialysis center and 1 group practice or clinic.
What is Dr. Joseph M. Hahn's office phone number?
The practice phone on file for Dr. Hahn is (818) 719-3800.
What is Dr. Joseph M. Hahn's medical license number?
Dr. Hahn holds Wyoming license 14979A.
Which hospitals is Dr. Joseph M. Hahn affiliated with?
Dr. Hahn practices at Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California. Dr. Hahn is also affiliated with Charlton Memorial Hospital. Dmand AI links Dr. Hahn to 1 more hospital.
What medical group is Dr. Joseph M. Hahn part of?
Dr. Hahn is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Hahn to 4 more medical groups.
Does Dr. Joseph M. Hahn accept Medicare?
Yes. CMS data shows Dr. Hahn billed Medicare for 105 services in 2024.
How many Medicare patients does Dr. Joseph M. Hahn see?
CMS counts 117 Medicare patients who saw Dr. Hahn in 2024, with an average age of 78.
What services does Dr. Joseph M. Hahn bill to Medicare?
In 2024, Dr. Hahn's most billed Medicare services were surgery: bones and joints (27245), diagnostic imaging (73552) and diagnostic imaging (73502).
Has Dr. Joseph M. Hahn received payments from drug or device companies?
CMS Open Payments shows $11,340 in general payments to Dr. Hahn from 13 companies from 2016 to 2025. The largest total came from Stryker Corporation.
How long has Dr. Joseph M. Hahn been practicing?
Dr. Hahn graduated from medical school in 2008, 18 years ago.
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