Dr. Raymond Tien, MD
- Medicare services, 2024
- 819
- Medicare patients, 2024
- 549
- Part D claims, 2024
- 66
- MIPS score, 2024
- 26
- Hospital affiliations
- 4
- Practice address
- 2865 Daggett Avenue, Klamath Falls, OR 97601
- Practice phone
- Call (541) 882-6311
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tien'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. Raymond Tien is a neurosurgeon in Klamath Falls, Oregon
Dr. Tien practices at Sky Lakes Medical Center in Klamath Falls, Oregon, part of Sky Lakes Medical Center.
Dr. Tien's NPI, 1073518551, was assigned on June 20, 2005. Dr. Tien graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1996. Dr. Tien holds Oregon license MD24627.
- NPI
- 1073518551NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224026828
- NPI enumeration date
- June 20, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (541) 882-6311
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Raymond Tien practices at Sky Lakes Medical Center in Klamath Falls, Oregon
Dr. Tien's primary practice is Sky Lakes Medical Center, at 2865 Daggett Avenue, Klamath Falls, OR 97601 in Klamath County. The practice phone is (541) 882-6311.
- Sky Lakes Medical Center2865 Daggett Avenue, Klamath Falls, OR 97601 · Klamath CountyPhone(541) 882-6311
Source: Dmand AI Affiliation Data
Dr. Raymond Tien is affiliated with 5 sites of care and 1 medical group
Dr. Tien's primary practice is Sky Lakes Medical Center in Klamath Falls, Oregon, part of Sky Lakes Medical Center. Dr. Tien is also affiliated with St. Charles Bend. The medical group on file is St. Charles Health System. Dmand AI also links Dr. Tien to 2 more hospitals 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. Raymond Tien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tien practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sky Lakes Medical Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Sky Lakes Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Raymond Tien is one of 113 neurosurgeons in Oregon
Neurological surgery is Dr. Tien's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Tien is licensed in Oregon.
Specialties and state licenses
- Neurological surgery, OregonPrimary
Neurosurgeons near Dr. Tien
Counts of neurosurgeons 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. Raymond Tien billed Medicare for 819 services in 2024
CMS data shows 819 Medicare services from Dr. Tien across 13 procedure codes in 2024, for 549 Medicare patients. Medicare paid $138,445 for them.
Dr. Tien's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5692024: 5741%
- Surgery
- 2023: 2072024: 13236%
- Imaging
- 2023: 1192024: 1135%
Where Dr. Tien's Medicare services took place, 2024
- In an office68784%
- In a facility13216%
Dr. Tien compared with the Oregon median for neurosurgeons, 2024
- Dr. Tien
- Oregon median
- Medicare services
- 819vs 1505.5 times
- Medicare patients
- 549vs 1224.5 times
- Part D claims
- 31vs 2524% above
Medians across 97 neurosurgeons in Oregon with Dmand AI profiles that report each measure.
Dr. Tien'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Raymond Tien treated 549 Medicare patients in 2024, average age 73
CMS counts 549 Medicare patients who saw Dr. Tien in 2024. The largest group is 65 to 74, with 262 patients. 74% of them have high cholesterol, and 71% have arthritis. 11% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tien's median patient age at 72, with 50% women.
Dr. Tien's Medicare patients by age, 2024
Dr. Tien's Medicare patients by sex, 2024
- Women30556%
- Men24444%
Chronic conditions among Dr. Tien's Medicare patients, 2024
- High cholesterol74%
- Arthritis71%
- High blood pressure69%
- Mood disorders31%
- Anxiety28%
- Depression28%
- Ischemic heart disease28%
- Osteoporosis24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tien'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
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Raymond Tien wrote 66 Medicare Part D claims in 2024
In 2024, Dr. Tien wrote 66 Medicare Part D claims for 38 patients. 89% of them were for generic drugs. CMS names the drug for 31 of them, across 2 drugs with 11 or more claims each, at $272 in total drug cost. In 2023, CMS named 55 claims across 4 drugs.
Dr. Tien's Part D claims by kind of drug, 2024
- Generic59 claims89%
- Brand-name and other7 claims11%
Dr. Tien'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 552024: 3144%
Drugs named by CMS: 2 in 2024, 4 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. Raymond Tien scored 26 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 26 out of 100 for Dr. Tien for performance year 2024, reported individually. Dr. Tien accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Tien as offering telehealth. CMS counts 136 procedures of laminectomy or laminotomy (partial removal of spine bones) by Dr. Tien, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Tien's MIPS scores, performance year 2024
- 26of 100Final score
- 0of 100Quality
- 0of 100Promoting Interoperability
- 0of 100Improvement Activities
- 88of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Tien ranks in Medicare procedure volume
- Laminectomy or laminotomy (partial removal of spine bones)
- 97th percentile136 procedures
- Spinal fusion
- 63rd percentile66 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. Raymond Tien received $5,278 in industry payments from 2016 to 2025
CMS Open Payments shows 93 general payments to Dr. Tien from 25 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 63% of the total. Nuvasive, Inc. paid the most, $3,509.
General payments to Dr. Tien by program year, 2016 to 2025
General payments to Dr. Tien by kind, 2016 to 2025
- Travel and lodging$3,31763%
- Food and beverage$1,96137%
Companies that paid Dr. Tien 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. Raymond Tien graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Tien graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Raymond Tien'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)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. Raymond Tien
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. Raymond Tien's NPI number?
Dr. Raymond Tien's NPI number is 1073518551. It was assigned on June 20, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Raymond Tien?
Dr. Raymond Tien is a neurosurgeon in Klamath Falls, Oregon. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Raymond Tien practice?
Dr. Tien practices at 2865 Daggett Avenue, Klamath Falls, OR 97601. Dr. Tien's primary practice is Sky Lakes Medical Center in Klamath Falls, Oregon, part of Sky Lakes Medical Center. Dmand AI also links Dr. Tien to 2 hospitals and 1 group practice or clinic.
What is Dr. Raymond Tien's office phone number?
The practice phone on file for Dr. Tien is (541) 882-6311.
What is Dr. Raymond Tien's medical license number?
Dr. Tien holds Oregon license MD24627.
Which hospitals is Dr. Raymond Tien affiliated with?
Dr. Tien practices at Sky Lakes Medical Center in Klamath Falls, Oregon. Dr. Tien is also affiliated with St. Charles Bend. Dmand AI links Dr. Tien to 2 more hospitals.
What medical group is Dr. Raymond Tien part of?
Dr. Tien is linked to St. Charles Health System.
Does Dr. Raymond Tien accept Medicare?
Yes. CMS data shows Dr. Tien billed Medicare for 819 services in 2024, and Dr. Tien accepts Medicare assignment.
Does Dr. Raymond Tien offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Tien as offering telehealth services.
What is Dr. Raymond Tien's MIPS score?
Dr. Tien's MIPS final score for performance year 2024 is 26 out of 100, reported individually.
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How many Medicare patients does Dr. Raymond Tien see?
CMS counts 549 Medicare patients who saw Dr. Tien in 2024, with an average age of 73.
What services does Dr. Raymond Tien bill to Medicare?
In 2024, Dr. Tien's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and surgery: brain, spine and nerves (63047).
Where did Dr. Raymond Tien go to medical school?
Dr. Tien graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1996.
What drugs does Dr. Raymond Tien prescribe most?
In 2024 Medicare Part D data, Dr. Tien's most prescribed drugs by claims were Gabapentin and Methylprednisolone.
Has Dr. Raymond Tien received payments from drug or device companies?
CMS Open Payments shows $5,278 in general payments to Dr. Tien from 25 companies from 2016 to 2025. The largest total came from Nuvasive, Inc.
How long has Dr. Raymond Tien been practicing?
Dr. Tien graduated from medical school in 1996, 30 years ago.
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