Disaster Med Public Health Prep
Dr. Nikolaj Wolfson, MD
- Medicare services, 2024
- 191
- Medicare patients, 2024
- 109
- Part D claims, 2024
- 15
- Publications
- 7
- Hospital affiliations
- 5
- Practice address
- 900 Hyde St, San Francisco, CA 94109
- Practice phone
- Call (415) 353-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Wolfson'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. Nikolaj Wolfson is an orthopaedic trauma physician in San Francisco, California
Dr. Wolfson practices at UCSF Health Hyde Hospital in San Francisco, California, part of University of California Health.
Dr. Wolfson's NPI, 1144270612, was assigned on May 12, 2006. Dr. Wolfson graduated from Tel Aviv University Sackler in 1984. Dr. Wolfson's California license number on file is C51436.
- NPI
- 1144270612NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466346150
- NPI enumeration date
- May 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 353-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nikolaj Wolfson practices at UCSF Health Hyde Hospital in San Francisco, California
Dr. Wolfson's primary practice is UCSF Health Hyde Hospital, at 900 Hyde St, San Francisco, CA 94109 in San Francisco County. The practice phone is (415) 353-6000.
- UCSF Health Hyde Hospital900 Hyde St, San Francisco, CA 94109 · San Francisco CountyPhone(415) 353-6000
Source: Dmand AI Affiliation Data
Dr. Nikolaj Wolfson is affiliated with 6 sites of care and 1 medical group
Dr. Wolfson's primary practice is UCSF Health Hyde Hospital in San Francisco, California, part of University of California Health. Dr. Wolfson is also affiliated with California Pacific Medical Center Van Ness Campus. The medical group on file is Chinese Hospital. Dmand AI also links Dr. Wolfson to 3 more hospitals and 1 physician office, 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. Nikolaj Wolfson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wolfson practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF Health Hyde Hospital | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nikolaj Wolfson is one of 116 orthopaedic trauma physicians in California
Orthopaedic trauma is Dr. Wolfson's primary specialty in the NPI Registry, under taxonomy code 207XX0801X. Dr. Wolfson is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Wolfson's licenses on file in 3 states: California, Ohio and West Virginia.
Specialties and state licenses
- Orthopaedic trauma, CaliforniaPrimary
- Ohio license
- Specialist, West Virginia
Clinical focus
Dmand AI lists arm, wrist, hand fracture and dislocation, arthritis, bursitis, hip replacement, joint pain, knee arthroscopy, knee injury and knee replacement among the conditions Dr. Wolfson treats.
Orthopaedic trauma physicians near Dr. Wolfson
Counts of orthopaedic trauma 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. Nikolaj Wolfson billed Medicare for 191 services in 2024
CMS data shows 191 Medicare services from Dr. Wolfson across 5 procedure codes in 2024, for 109 Medicare patients. Medicare paid $17,670 for them.
Dr. Wolfson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2912024: 14849%
- Surgery
- 2023: 1312024: 4367%
- Drugs given in the office
- 2023: 3,5292024: 0100%
Where Dr. Wolfson's Medicare services took place, 2024
- In an office17592%
- In a facility168%
Dr. Wolfson compared with the California median for orthopaedic trauma physicians, 2024
- Dr. Wolfson
- California median
- Medicare services
- 191vs 16416% above
- Medicare patients
- 109vs 12714% below
- Part D claims
- 14vs 2850% below
Medians across 107 orthopaedic trauma physicians in California with Dmand AI profiles that report each measure.
Dr. Wolfson'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. Wolfson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wolfson and other orthopaedic trauma physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nikolaj Wolfson treated 109 Medicare patients in 2024, average age 79
CMS counts 109 Medicare patients who saw Dr. Wolfson in 2024. The largest group is 75 to 84, with 38 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 69% are also on Medicaid. Their average risk score is 1.64, 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. Wolfson's median patient age at 69, with 54% women.
Dr. Wolfson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Wolfson's Medicare patients by sex, 2024
- Women7771%
- Men3229%
Chronic conditions among Dr. Wolfson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis72%
- Diabetes61%
- Mood disorders35%
- Depression32%
- Ischemic heart disease29%
- Chronic kidney disease25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wolfson'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
- Women54%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nikolaj Wolfson wrote 15 Medicare Part D claims in 2024
In 2024, Dr. Wolfson wrote 15 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $109 in total drug cost. In 2019, CMS named 21 claims across 1 drug.
Dr. Wolfson's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2021
- 2019
- 2021
- Claims for drugs CMS names
- 2019: 212021: 1433%
Drugs named by CMS: 1 in 2021, 1 in 2019.
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. Nikolaj Wolfson ranks in the 53rd percentile for hip replacement in Medicare
Dr. Wolfson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 12 procedures of hip replacement by Dr. Wolfson, more than 53% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Wolfson ranks in Medicare procedure volume
- Hip replacement
- 53rd percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Knee replacement: 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. Nikolaj Wolfson has 7 publications on record
Dmand AI links 7 papers to Dr. Wolfson in 2020. The most frequent topics are Biomechanical Phenomena, Tibia and Tomography, X-Ray Computed. Dr. Wolfson's most frequent co-authors are Corey J. Chakarun, Brielle Weinstein and Eric S. Weinstein, MD.
Topics Dr. Wolfson writes about most
- Biomechanical Phenomena
- Tibia
- Tomography, X-Ray Computed
Dr. Wolfson's most frequent co-authors
Recent publications by Dr. Wolfson
Ann Emerg Med
Clin Orthop Relat Res
See who Dr. Wolfson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wolfson works with, so you can find a warm path to the right orthopaedic trauma physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nikolaj Wolfson received $6,457 in industry payments from 2016 to 2025
CMS Open Payments shows 49 general payments to Dr. Wolfson from 16 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 38% of the total. Conformis, Inc. paid the most, $1,919.
General payments to Dr. Wolfson by program year, 2016 to 2025
General payments to Dr. Wolfson by kind, 2016 to 2025
- Travel and lodging$2,44438%
- Food and beverage$2,30636%
- Education$1,70726%
Companies that paid Dr. Wolfson 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. Nikolaj Wolfson has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Wolfson, most recently CMS Stage 1 EHR in 2012.
Awards and honors for Dr. Wolfson
- 2012
- CMS Stage 1 EHR
- 2011
- ABOS
- Undated
- ACS Fellow
Dr. Wolfson's committees and leadership roles
- Disaster Orthopaedics SICOTChair
- 2011 to 2015
Source: Dmand AI Professional Profile Data
Dr. Nikolaj Wolfson graduated from Tel Aviv University Sackler
Dr. Wolfson graduated from Tel Aviv University Sackler in 1984. Dr. Wolfson is a member of AAOS and ACS.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Nikolaj Wolfson accepts plans from 14 insurance carriers
Dr. Wolfson is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Humana
- Regence Health Plans
- +6 more carriersWith a free account
Plan types Dr. Wolfson accepts, by number of carriers
- Medicare9
- PPO9
- HMO6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Nikolaj Wolfson'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Nikolaj Wolfson
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. Nikolaj Wolfson's NPI number?
Dr. Nikolaj Wolfson's NPI number is 1144270612. It was assigned on May 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nikolaj Wolfson?
Dr. Nikolaj Wolfson is an orthopaedic trauma physician in San Francisco, California. The primary specialty in the NPI Registry is Orthopaedic Trauma Physician (taxonomy code 207XX0801X).
Where does Dr. Nikolaj Wolfson practice?
Dr. Wolfson practices at 900 Hyde St, San Francisco, CA 94109. Dr. Wolfson's primary practice is UCSF Health Hyde Hospital in San Francisco, California, part of University of California Health. Dmand AI also links Dr. Wolfson to 3 hospitals and 1 physician office.
What is Dr. Nikolaj Wolfson's office phone number?
The practice phone on file for Dr. Wolfson is (415) 353-6000.
What is Dr. Nikolaj Wolfson's medical license number?
Dr. Wolfson's California license number on file is C51436, one of the licenses on file in 3 states.
Which states has Dr. Nikolaj Wolfson been licensed in?
Dmand AI has state licenses on file for Dr. Wolfson in California (2003 to 2025), Ohio and West Virginia (2003 to 2025).
Which hospitals is Dr. Nikolaj Wolfson affiliated with?
Dr. Wolfson practices at UCSF Health Hyde Hospital in San Francisco, California. Dr. Wolfson is also affiliated with California Pacific Medical Center Van Ness Campus. Dmand AI links Dr. Wolfson to 3 more hospitals.
What medical group is Dr. Nikolaj Wolfson part of?
Dr. Wolfson is linked to Chinese Hospital.
Does Dr. Nikolaj Wolfson accept Medicare?
Yes. CMS data shows Dr. Wolfson billed Medicare for 191 services in 2024, and Dr. Wolfson accepts Medicare assignment.
How many Medicare patients does Dr. Nikolaj Wolfson see?
CMS counts 109 Medicare patients who saw Dr. Wolfson in 2024, with an average age of 79.
Show 9 more questionsShow fewer questions
Is Dr. Nikolaj Wolfson board certified?
Yes. Dr. Wolfson is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
What services does Dr. Nikolaj Wolfson bill to Medicare?
In 2024, Dr. Wolfson's most billed Medicare services were office visit, established patient (99213), surgery: bones and joints (20610) and office visit, new patient (99204).
Where did Dr. Nikolaj Wolfson go to medical school?
Dr. Wolfson graduated from Tel Aviv University Sackler in 1984.
What drugs does Dr. Nikolaj Wolfson prescribe most?
In 2021 Medicare Part D data, Dr. Wolfson's most prescribed drugs by claims were Acetaminophen-Codeine.
Has Dr. Nikolaj Wolfson received payments from drug or device companies?
CMS Open Payments shows $6,457 in general payments to Dr. Wolfson from 16 companies from 2016 to 2025. The largest total came from Conformis, Inc.
How long has Dr. Nikolaj Wolfson been practicing?
Dr. Wolfson graduated from medical school in 1984, 42 years ago.
Does Dr. Nikolaj Wolfson do research?
Dmand AI links 7 publications to Dr. Wolfson.
Who does Dr. Nikolaj Wolfson publish with?
Dr. Wolfson's most frequent co-authors are Corey J. Chakarun (1 shared paper), Brielle Weinstein (1 shared paper) and Eric S. Weinstein, MD (1 shared paper).
What insurance does Dr. Nikolaj Wolfson accept?
Dr. Wolfson is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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