Dr. K Daniel Riew, MD

  • New York, NY
  • Orthopedic surgeon
NPI1518983832PAC ID3173665064
Medicare services, 2024
435
Medicare patients, 2024
113
Part D claims, 2024
41
Publications
356
MIPS score, 2024
100
Practice address
525 East 68th Street, New York, NY 10065
Practice phone
Call (212) 746-5454
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

See all 7 affiliations

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Dr. K Daniel Riew is an orthopedic surgeon in New York, New York

Dr. Riew practices at NewYork-Presbyterian/Weill Cornell Medical Center in New York, New York, part of NewYork-Presbyterian Hospital.

Dr. Riew's NPI, 1518983832, was assigned on July 14, 2006. Dr. Riew graduated from Cleveland Medical College, Homeopathic in 1984. Dr. Riew holds New York license 278819.

NPI and contact details
Medicare PAC ID
3173665064
NPI enumeration date
July 14, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(212) 746-5454
Professional email
Get email
Personal email
Get email
Mobile number
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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. K Daniel Riew practices at NewYork-Presbyterian/Weill Cornell Medical Center in New York, New York

Dr. Riew's primary practice is NewYork-Presbyterian/Weill Cornell Medical Center, at 525 East 68th Street, New York, NY 10065 in New York County. The practice phone is (212) 746-5454.

Source: Dmand AI Affiliation Data

Dr. K Daniel Riew is affiliated with 5 sites of care and 2 medical groups

Dr. Riew's primary practice is NewYork-Presbyterian/Weill Cornell Medical Center in New York, New York, part of NewYork-Presbyterian Hospital. The medical group on file is ColumbiaDoctors. Dmand AI also links Dr. Riew to 2 more clinical labs, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Riew

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. K Daniel Riew's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Riew practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
NewYork-Presbyterian/Weill Cornell Medical CenterAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. K Daniel Riew is one of 1,151 orthopedic surgeons in New York

Orthopaedic surgery is Dr. Riew's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Riew is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Riew's licenses on file in 15 states: New York, Florida, Colorado, New Jersey, South Carolina, Arizona, California, Connecticut, Massachusetts, Missouri, Pennsylvania, Texas, Virginia, Alabama and Ohio.

Specialties and state licenses

  • Orthopaedic surgery, New YorkPrimaryLicense 278819 · 2015 to 2026 · taxonomy 207X00000X
  • Florida licenseSince 2020
  • Colorado license2024 to 2027
  • New Jersey license2020 to 2027
  • South Carolina license2024 to 2027
  • Arizona license2025 to 2026
  • California license2024 to 2026
  • Connecticut license2022 to 2026
  • Massachusetts license2023 to 2026
  • Missouri license1995 to 2026
  • Pennsylvania license2023 to 2026
  • Texas license2024 to 2026
  • Virginia license2023 to 2026
  • Alabama license2023 to 2025
  • Ohio license1984 to 1996

Clinical focus

Dmand AI lists back and neck pain treatment without fusion, joint pain, lower back pain, neck pain and spine problems, removal of damaged skin or skin graft, spinal fusion and thoracic spine disorders among the conditions Dr. Riew treats.

Orthopedic surgeons near Dr. Riew

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. K Daniel Riew billed Medicare for 435 services in 2024

CMS data shows 435 Medicare services from Dr. Riew across 15 procedure codes in 2024, for 113 Medicare patients. Medicare paid $161,495 for them.

Medicare services, 2024435
Medicare patients113
Paid by Medicare$161,495
Procedure codes15

Dr. Riew's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 3872024: 25534%
Office and hospital visits
2023: 1782024: 14021%
Other services
2023: 02024: 40

Where Dr. Riew's Medicare services took place, 2024

  • In an office18041%
  • In a facility25559%

Dr. Riew compared with the New York median for orthopedic surgeons, 2024

  • Dr. Riew
  • New York median
Medicare services
435vs 72640% below
Medicare patients
113vs 23652% below
Part D claims
20vs 7373% below

Medians across 1,081 orthopedic surgeons in New York with Dmand AI profiles that report each measure.

Dr. Riew'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.

See all procedures by Dr. Riew

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Riew and other orthopedic surgeons in New York.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. K Daniel Riew treated 113 Medicare patients in 2024, average age 71

CMS counts 113 Medicare patients who saw Dr. Riew in 2024. The largest group is 65 to 74, with 74 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 0.99, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Riew's median patient age at 59, with 44% women.

Medicare patients, 2024113
Average age71
Average risk score0.99

Dr. Riew's Medicare patients by age, 2024

Dr. Riew's Medicare patients by sex, 2024

  • Women3834%
  • Men7566%

Chronic conditions among Dr. Riew's Medicare patients, 2024

  1. Arthritis75%
  2. High cholesterol75%
  3. High blood pressure66%
  4. Ischemic heart disease33%
  5. Diabetes27%
  6. Mood disorders27%
  7. Anxiety26%
  8. Depression25%

Share of Medicare patients with each condition. A patient can have several.

Dr. Riew's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women44%
  • Men53%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. K Daniel Riew wrote 41 Medicare Part D claims in 2024

In 2024, Dr. Riew wrote 41 Medicare Part D claims for 24 patients. 98% of them were for generic drugs. CMS names the drug for 20 of them, across 1 drug with 11 or more claims each, at $137 in total drug cost. In 2023, CMS named 40 claims across 3 drugs.

Part D claims, 202441
Drugs named by CMS1
Total drug cost$137
Part D patients24

Dr. Riew's Part D claims by kind of drug, 2024

  • Generic40 claims98%
  • Brand-name and other1 claims2%

Dr. Riew'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: 402024: 2050%

Drugs named by CMS: 1 in 2024, 3 in 2023.

See all prescribing by Dr. Riew

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. K Daniel Riew 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. Riew for performance year 2024, reported through an alternative payment model (APM). Dr. Riew accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Riew as offering telehealth. CMS counts 203 procedures of spinal fusion by Dr. Riew, more than 90% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Riew's MIPS scores, performance year 2024

  • 100of 100Final score
  • 85.3of 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. Riew ranks in Medicare procedure volume

Spinal fusion
90th percentile203 procedures
Laminectomy or laminotomy (partial removal of spine bones)
60th percentile29 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. K Daniel Riew has 356 publications on record

Dmand AI links 356 papers to Dr. Riew, published from 2007 to 2025. 2017 was the busiest year, with 21. The most frequent topics are Cervical Vertebrae, Spinal Fusion and Diskectomy. Dr. Riew has published most often in Spine (Phila Pa 1976). Dr. Riew's most frequent co-authors are Ronald Arthur Lehman, MD, Lawrence G. Lenke, MD and Han Jo Kim, MD.

Papers356
Years published2007 to 2025

Dr. Riew's papers by year, 2016 to 2025

Topics Dr. Riew writes about most

  • Cervical Vertebrae
  • Spinal Fusion
  • Diskectomy
  • Radiography
  • Postoperative Complications
  • Spinal Cord Diseases
  • Decompression, Surgical
  • Tomography, X-Ray Computed

Dr. Riew's most frequent co-authors

Recent publications by Dr. Riew

See all 356 publications and co-authors

See who Dr. Riew researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Riew works with, so you can find a warm path to the right orthopedic surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. K Daniel Riew received $4,284,341 in industry payments from 2016 to 2025

CMS Open Payments shows 204 general payments to Dr. Riew from 11 drug and device companies from 2016 to 2025. Royalties and licenses make up the largest share, 96% of the total. Zimmer Biomet Holdings, Inc. paid the most, $1,582,636.

General payments to Dr. Riew by program year, 2016 to 2025

General payments to Dr. Riew by kind, 2016 to 2025

$4.3Min total
  • Royalties and licenses$4,133,07696%
  • Consulting fees$83,8112%
  • Speaker and faculty fees$39,9501%
  • Travel and lodging$21,3240%
  • Other$5,1800%

Companies that paid Dr. Riew the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Riew

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. K Daniel Riew has 40 awards and honors on record

Dmand AI lists 40 awards for Dr. Riew, most recently Americas top doctors in 2020.

Awards and honors for Dr. Riew

  1. 2020
    • Americas top doctors
    • Best Doctors in America
    • New York Super Doctor
  2. 2019
    • Outstanding Clinical Research Award, 1st Place
  3. 2018
    • Chairman of Board, AOSpine International
  4. 2015
    • Chair of Research Commission, AOSpine International Board
See all 40 awards

Source: Dmand AI Professional Profile Data

Dr. K Daniel Riew graduated from Cleveland Medical College, Homeopathic

Dr. Riew graduated from Cleveland Medical College, Homeopathic in 1984. Dr. Riew is a member of AAOS, AOA, AOSpine International, Association of Bone & Joint Surgeons, Cervical Spine Research Society and Interurban Orthopedic Society.

  1. Medical schoolCleveland Medical College, Homeopathic
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in orthopaedic surgeryAmerican Board of Orthopaedic Surgery

Source: Dmand AI Professional Profile Data

Dr. K Daniel Riew accepts plans from 14 insurance carriers

Dr. Riew is in network with 14 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Excellus BlueCross BlueShield
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • HCSC
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • +6 more carriersWith a free account

Plan types Dr. Riew accepts, by number of carriers

  1. PPO9
  2. HMO8
  3. Medicare8
  4. POS5
  5. EPO4
  6. Medicaid3

Source: Dmand AI Insurance Network Data

Sources for Dr. K Daniel Riew's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. K Daniel Riew

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. K Daniel Riew's NPI number?

Dr. K Daniel Riew's NPI number is 1518983832. It was assigned on July 14, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. K Daniel Riew?

Dr. K Daniel Riew is an orthopedic surgeon in New York, New York. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).

Where does Dr. K Daniel Riew practice?

Dr. Riew practices at 525 East 68th Street, New York, NY 10065. Dr. Riew's primary practice is NewYork-Presbyterian/Weill Cornell Medical Center in New York, New York, part of NewYork-Presbyterian Hospital. Dmand AI also links Dr. Riew to 2 clinical labs, 2 group practices and clinics and 1 medical group.

What is Dr. K Daniel Riew's office phone number?

The practice phone on file for Dr. Riew is (212) 746-5454.

What is Dr. K Daniel Riew's medical license number?

Dr. Riew holds New York license 278819, one of the licenses on file in 15 states.

Which states has Dr. K Daniel Riew been licensed in?

Dmand AI has state licenses on file for Dr. Riew in New York (2015 to 2026), Florida (since 2020), Colorado (2024 to 2027), New Jersey (2020 to 2027), South Carolina (2024 to 2027), Arizona (2025 to 2026), California (2024 to 2026), Connecticut (2022 to 2026), Massachusetts (2023 to 2026), Missouri (1995 to 2026), Pennsylvania (2023 to 2026), Texas (2024 to 2026), Virginia (2023 to 2026), Alabama (2023 to 2025) and Ohio (1984 to 1996).

Which hospitals is Dr. K Daniel Riew affiliated with?

Dr. Riew practices at NewYork-Presbyterian/Weill Cornell Medical Center in New York, New York.

What medical group is Dr. K Daniel Riew part of?

Dr. Riew is linked to ColumbiaDoctors. Dmand AI links Dr. Riew to 1 more medical group.

Does Dr. K Daniel Riew accept Medicare?

Yes. CMS data shows Dr. Riew billed Medicare for 435 services in 2024, and Dr. Riew accepts Medicare assignment.

Does Dr. K Daniel Riew offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Riew as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. K Daniel Riew's MIPS score?

Dr. Riew'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. K Daniel Riew see?

CMS counts 113 Medicare patients who saw Dr. Riew in 2024, with an average age of 71.

Is Dr. K Daniel Riew board certified?

Yes. Dr. Riew is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. K Daniel Riew bill to Medicare?

In 2024, Dr. Riew's most billed Medicare services were surgery: bones and joints (22853), office visit, new patient (99205) and surgery: bones and joints (22614).

Where did Dr. K Daniel Riew go to medical school?

Dr. Riew graduated from Cleveland Medical College, Homeopathic in 1984.

What drugs does Dr. K Daniel Riew prescribe most?

In 2024 Medicare Part D data, Dr. Riew's most prescribed drugs by claims were Methylprednisolone.

Has Dr. K Daniel Riew received payments from drug or device companies?

CMS Open Payments shows $4,284,341 in general payments to Dr. Riew from 11 companies from 2016 to 2025. The largest total came from Zimmer Biomet Holdings, Inc.

How long has Dr. K Daniel Riew been practicing?

Dr. Riew graduated from medical school in 1984, 42 years ago.

Does Dr. K Daniel Riew do research?

Dmand AI links 356 publications to Dr. Riew, published from 2007 to 2025.

Who does Dr. K Daniel Riew publish with?

Dr. Riew's most frequent co-authors are Ronald Arthur Lehman, MD (33 shared papers), Lawrence G. Lenke, MD (27 shared papers) and Han Jo Kim, MD (18 shared papers).

What insurance does Dr. K Daniel Riew accept?

Dr. Riew is in network with 14 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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