Airway ManagementAnesthesiologyEmergency Medicine
Dr. Gregory B. Christiansen, MD
NPI1972569465PAC ID3173622156
- Medicare services, 2024
- 1,008
- Medicare patients, 2024
- 180
- Part D claims, 2024
- 528
- Publications
- 3
- Hospital affiliations
- 1
- Practice address
- 100 Trich Drive, Washington, PA 15301
- Practice phone
- Call (724) 884-0710
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Gregory B. Christiansen is an orthopedic surgeon in Washington, Pennsylvania
Dr. Christiansen practices at Advanced Surgical Hospital in Washington, Pennsylvania, part of UnitedHealth Group.
Dr. Christiansen's NPI, 1972569465, was assigned on April 24, 2006. Dr. Christiansen graduated from Sidney Kimmel Medical College in 1993. Dr. Christiansen holds Pennsylvania license MD065259L.
NPI and contact details
- NPI
- 1972569465NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173622156
- NPI enumeration date
- April 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (724) 884-0710
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory B. Christiansen practices at Advanced Surgical Hospital in Washington, Pennsylvania
Dr. Christiansen's primary practice is Advanced Surgical Hospital, at 100 Trich Drive, Washington, PA 15301 in Washington County. The practice phone is (724) 884-0710.
- Advanced Surgical Hospital100 Trich Drive, Washington, PA 15301 · Washington CountyPhone(724) 884-0710
Source: Dmand AI Affiliation Data
Dr. Gregory B. Christiansen is affiliated with 1 site of care and 1 medical group
Dr. Christiansen's primary practice is Advanced Surgical Hospital in Washington, Pennsylvania, part of UnitedHealth Group. The medical group on file is Advanced Orthopaedics & Rehabilitation.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory B. Christiansen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Christiansen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advanced Surgical Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory B. Christiansen is one of 994 orthopedic surgeons in Pennsylvania
Orthopaedic surgery is Dr. Christiansen's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Christiansen is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Christiansen's licenses on file in 2 states: Pennsylvania and Ohio.
Specialties and state licenses
- Orthopaedic surgery, PennsylvaniaPrimary
- Ohio license
Clinical focus
Dmand AI lists ankle or foot injury, arm, wrist, hand fracture and dislocation, arthritis, broken or dislocated ankle/ or foot, bursitis, carpal tunnel syndrome, hand joint or tendon inflammation and joint arthropathy among the conditions Dr. Christiansen treats.
Orthopedic surgeons near Dr. Christiansen
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
994orthopedic surgeons in Pennsylvania14orthopedic surgeons in Washington7orthopedic surgeons at Advanced Surgical Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory B. Christiansen billed Medicare for 1,008 services in 2024
CMS data shows 1,008 Medicare services from Dr. Christiansen across 7 procedure codes in 2024, for 180 Medicare patients. Medicare paid $33,622 for them. Every service was in an office.
Medicare services, 20241,008
Medicare patients180
Paid by Medicare$33,622
Procedure codes7
Dr. Christiansen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 3212024: 35310%
- Office and hospital visits
- 2023: 3412024: 3216%
- Imaging
- 2023: 1742024: 1814%
- Surgery
- 2023: 1832024: 15316%
- Other services
- 2023: 162024: 0100%
Dr. Christiansen compared with the Pennsylvania median for orthopedic surgeons, 2024
- Dr. Christiansen
- Pennsylvania median
- Medicare services
- 1,008vs 1,15313% below
- Medicare patients
- 180vs 27635% below
- Part D claims
- 479vs 1024.7 times
Medians across 929 orthopedic surgeons in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Christiansen'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. Christiansen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Christiansen and other orthopedic surgeons in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory B. Christiansen treated 180 Medicare patients in 2024, average age 73
CMS counts 180 Medicare patients who saw Dr. Christiansen in 2024. The largest group is 65 to 74, with 118 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 0.87, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Christiansen's median patient age at 73, with 60% women.
Medicare patients, 2024180
Average age73
Average risk score0.87
Dr. Christiansen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Christiansen's Medicare patients by sex, 2024
- Women11664%
- Men6436%
Chronic conditions among Dr. Christiansen's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Anxiety36%
- Diabetes27%
- Mood disorders23%
- Ischemic heart disease22%
- Depression21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Christiansen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory B. Christiansen wrote 528 Medicare Part D claims in 2024
In 2024, Dr. Christiansen wrote 528 Medicare Part D claims for 212 patients. 100% of them were for generic drugs. CMS names the drug for 479 of them, across 7 drugs with 11 or more claims each, at $2,487 in total drug cost. In 2023, CMS named 670 claims across 8 drugs.
Part D claims, 2024528
Drugs named by CMS7
Total drug cost$2,487
Part D patients212
Dr. Christiansen's Part D claims by kind of drug, 2024
- Generic527 claims100%
- Brand-name and other1 claims0%
Dr. Christiansen'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. Christiansen's Part D claims, 2024
- Opioids10%54 of 528 claims
- Antibiotics9%47 of 528 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: 6702024: 47929%
Drugs named by CMS: 7 in 2024, 8 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. Gregory B. Christiansen takes part in Medicare
Dr. Christiansen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Hip replacement: 1 to 10 procedures (CMS shows small counts as a range)
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. Gregory B. Christiansen has 3 publications on record
Dmand AI links 3 papers to Dr. Christiansen, published from 2018 to 2024. 2024 was the busiest year, with 2. Dr. Christiansen's most frequent co-authors are Robert John Behm, MD, Daniel B. Golden and Scott P. Patterson, MD.
Papers3
Years published2018 to 2024
Dr. Christiansen's most frequent co-authors
- Robert John Behm, MD1 shared paper
- Daniel B. Golden1 shared paper
- Scott P. Patterson, MD1 shared paper
Recent publications by Dr. Christiansen
Prehosp Emerg Care
Accidents, TrafficAir AmbulancesBlood Transfusion
See who Dr. Christiansen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Christiansen works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory B. Christiansen received $2,005 in industry payments from 2016 to 2025
CMS Open Payments shows 27 general payments to Dr. Christiansen from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 64% of the total. Zimmer Biomet Holdings, Inc. paid the most, $1,436.
General payments to Dr. Christiansen by program year, 2016 to 2025
General payments to Dr. Christiansen by kind, 2016 to 2025
$2Kin total
- Food and beverage$1,28464%
- Travel and lodging$72036%
Companies that paid Dr. Christiansen 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. Gregory B. Christiansen graduated from Sidney Kimmel Medical College
Dr. Christiansen graduated from Sidney Kimmel Medical College in 1993.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Gregory B. Christiansen accepts plans from 9 insurance carriers
Dr. Christiansen is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Highmark. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Highmark
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Humana
- Regence Health Plans
- Amerihealth Caritas
- +1 more carriersWith a free account
Plan types Dr. Christiansen accepts, by number of carriers
- Medicare8
- PPO7
- HMO3
- EPO2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory B. Christiansen'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) |
| 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. Gregory B. Christiansen
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. Gregory B. Christiansen's NPI number?
Dr. Gregory B. Christiansen's NPI number is 1972569465. It was assigned on April 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory B. Christiansen?
Dr. Gregory B. Christiansen is an orthopedic surgeon in Washington, Pennsylvania. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Gregory B. Christiansen practice?
Dr. Christiansen practices at 100 Trich Drive, Washington, PA 15301. Dr. Christiansen's primary practice is Advanced Surgical Hospital in Washington, Pennsylvania, part of UnitedHealth Group.
What is Dr. Gregory B. Christiansen's office phone number?
The practice phone on file for Dr. Christiansen is (724) 884-0710.
What is Dr. Gregory B. Christiansen's medical license number?
Dr. Christiansen holds Pennsylvania license MD065259L, one of the licenses on file in 2 states.
Which states has Dr. Gregory B. Christiansen been licensed in?
Dmand AI has state licenses on file for Dr. Christiansen in Pennsylvania (1998 to 2026) and Ohio (1998 to 2003).
Which hospitals is Dr. Gregory B. Christiansen affiliated with?
Dr. Christiansen practices at Advanced Surgical Hospital in Washington, Pennsylvania.
What medical group is Dr. Gregory B. Christiansen part of?
Dr. Christiansen is linked to Advanced Orthopaedics & Rehabilitation.
Does Dr. Gregory B. Christiansen accept Medicare?
Yes. CMS data shows Dr. Christiansen billed Medicare for 1,008 services in 2024, and Dr. Christiansen accepts Medicare assignment.
How many Medicare patients does Dr. Gregory B. Christiansen see?
CMS counts 180 Medicare patients who saw Dr. Christiansen in 2024, with an average age of 73.
Show 9 more questionsShow fewer questions
Is Dr. Gregory B. Christiansen board certified?
Yes. Dr. Christiansen is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
What services does Dr. Gregory B. Christiansen bill to Medicare?
In 2024, Dr. Christiansen's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99213) and surgery: bones and joints (20610).
Where did Dr. Gregory B. Christiansen go to medical school?
Dr. Christiansen graduated from Sidney Kimmel Medical College in 1993.
What drugs does Dr. Gregory B. Christiansen prescribe most?
In 2024 Medicare Part D data, Dr. Christiansen's most prescribed drugs by claims were Meloxicam, Celecoxib and Amoxicillin.
Has Dr. Gregory B. Christiansen received payments from drug or device companies?
CMS Open Payments shows $2,005 in general payments to Dr. Christiansen from 9 companies from 2016 to 2025. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. Gregory B. Christiansen been practicing?
Dr. Christiansen graduated from medical school in 1993, 33 years ago.
Does Dr. Gregory B. Christiansen do research?
Dmand AI links 3 publications to Dr. Christiansen, published from 2018 to 2024.
Who does Dr. Gregory B. Christiansen publish with?
Dr. Christiansen's most frequent co-authors are Robert John Behm, MD (1 shared paper), Daniel B. Golden (1 shared paper) and Scott P. Patterson, MD (1 shared paper).
What insurance does Dr. Gregory B. Christiansen accept?
Dr. Christiansen is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Highmark. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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