Anti-Bacterial AgentsAntibiotic ProphylaxisCarpal Tunnel Syndrome
Dr. Neil Gregory Harness, MD
NPI1578634556PAC ID7416982947
- Part D claims, 2024
- 117
- Publications
- 27
- Industry payments
- $6,692
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 441 N Lakeview Ave, Anaheim, CA 92807
- Practice phone
- Call (714) 279-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern California Permanente Medical Group
Anaheim, California
Find Dr. Harness' professional email, personal email and mobile number
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Dr. Neil Gregory Harness is a neuromusculoskeletal medicine and omm physician in Anaheim, California
Dr. Harness practices at Southern California Permanente Medical Group in Anaheim, California.
Dr. Harness' NPI, 1578634556, was assigned on November 13, 2006. Dr. Harness graduated from Loyola University Chicago Stritch School of Medicine in 1999. Dr. Harness holds California license A84398.
NPI and contact details
- NPI
- 1578634556NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416982947
- NPI enumeration date
- November 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 279-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Neil Gregory Harness practices at Southern California Permanente Medical Group in Anaheim, California
Dr. Harness' primary practice is Southern California Permanente Medical Group, at 441 N Lakeview Ave, Anaheim, CA 92807 in Orange County. The practice phone is (714) 279-4000.
- Southern California Permanente Medical Group441 N Lakeview Ave, Anaheim, CA 92807 · Orange CountyPhone(714) 279-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Neil Gregory Harness is affiliated with 2 sites of care and 1 medical group
Dr. Harness' primary practice is Southern California Permanente Medical Group in Anaheim, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Harness to 1 more group practice or clinic, named with a free account.
Southern California Permanente Medical GroupPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Neil Gregory Harness' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harness practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern California Permanente Medical Group | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Neil Gregory Harness is one of 174 neuromusculoskeletal medicines and omm physicians in California
Neuromusculoskeletal medicine and omm is Dr. Harness' primary specialty in the NPI Registry, under taxonomy code 204D00000X. Dr. Harness is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dr. Harness is licensed in California.
Specialties and state licenses
- Neuromusculoskeletal medicine and omm, CaliforniaPrimary
Neuromusculoskeletal medicines and omm physicians near Dr. Harness
Counts of neuromusculoskeletal medicines and omm physicians with a Dmand AI profile, by place and practice. Each opens the list.
174neuromusculoskeletal medicines and omm physicians in California15neuromusculoskeletal medicines and omm physicians in Anaheim
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Neil Gregory Harness' patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Dr. Harness' median patient age at 57, with 57% women.
Dr. Harness' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Dr. Neil Gregory Harness wrote 117 Medicare Part D claims in 2024
In 2024, Dr. Harness wrote 117 Medicare Part D claims for 51 patients. 99% of them were for generic drugs. CMS names the drug for 94 of them, across 3 drugs with 11 or more claims each, at $686 in total drug cost. In 2023, CMS named 32 claims across 2 drugs.
Part D claims, 2024117
Drugs named by CMS3
Total drug cost$686
Part D patients51
Dr. Harness' Part D claims by kind of drug, 2024
- Generic116 claims99%
- Brand-name and other1 claims1%
Dr. Harness' 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. Harness' Part D claims, 2024
- Opioids43%50 of 117 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: 322024: 94194%
Drugs named by CMS: 3 in 2024, 2 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. Neil Gregory Harness takes part in Medicare
Dr. Harness accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Neil Gregory Harness has 27 publications on record
Dmand AI links 27 papers to Dr. Harness, published from 2006 to 2023. 2012 was the busiest year, with 2. The most frequent topics are Radius Fractures, Bone Plates and Fracture Fixation, Internal. Dr. Harness has published most often in J Hand Surg Am. Dr. Harness' most frequent co-authors are David C. Ring, MD, Richard M. Dell, MD and Tadashi T. Funahashi, MD.
Papers27
Years published2006 to 2023
Dr. Harness' papers by year, 2011 to 2023
Topics Dr. Harness writes about most
- Radius Fractures
- Bone Plates
- Fracture Fixation, Internal
- Radiography
- Range of Motion, Articular
- Carpal Bones
- Antibiotic Prophylaxis
- Arteries
Dr. Harness' most frequent co-authors
- David C. Ring, MD5 shared papers
- Richard M. Dell, MD2 shared papers
- Tadashi T. Funahashi, MD2 shared papers
Recent publications by Dr. Harness
J Hand Surg Am
Bone PlatesCarpal BonesFracture Fixation, Internal
J Hand Surg Am
Bone NeoplasmsCurettageGiant Cell Tumor of Bone
J Hand Surg Am
Bone PlatesBone TransplantationCalifornia
See who Dr. Harness researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Harness works with, so you can find a warm path to the right neuromusculoskeletal medicines and omm physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Neil Gregory Harness received $6,692 in industry payments from 2016 to 2025
CMS Open Payments shows 27 general payments to Dr. Harness from 13 drug and device companies from 2016 to 2025. Education make up the largest share, 39% of the total. Synthes GmbH paid the most, $1,611.
General payments to Dr. Harness by program year, 2016 to 2025
General payments to Dr. Harness by kind, 2016 to 2025
$6.7Kin total
- Education$2,58039%
- Food and beverage$2,30334%
- Compensation for serving as faculty or as a speaker for a medical education program$1,00015%
- Accredited education speaker fees$5007%
- Other$3095%
Companies that paid Dr. Harness 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. Neil Gregory Harness has 11 awards and honors on record
Dmand AI lists 11 awards for Dr. Harness, most recently Top Doctors in 2012.
Awards and honors for Dr. Harness
- 2012
- Top Doctors
- 2011
- CMS Stage 1 2012
- 2009
- Elected to active membership in the American Society for Sugery of the Hand
- 2008
- Elected Fellow of the American Academy of Orthopaedic Surgeons
- 2004
- Harvard Medical School resident/fellow teaching Award for Orthopaedic Surgery
- 1999
- Alpha Omega Alpha
Source: Dmand AI Professional Profile Data
Dr. Neil Gregory Harness graduated from Loyola University Chicago Stritch School of Medicine
Dr. Harness graduated from Loyola University Chicago Stritch School of Medicine in 1999.
- Medical school
- Board certified in orthopaedic surgery
- Board certified in surgery of the hand
Source: Dmand AI Professional Profile Data
Dr. Neil Gregory Harness accepts plans from 1 insurance carrier
Dr. Harness is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Harness accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Neil Gregory Harness'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Neil Gregory Harness
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. Neil Gregory Harness' NPI number?
Dr. Neil Gregory Harness' NPI number is 1578634556. It was assigned on November 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Neil Gregory Harness?
Dr. Neil Gregory Harness is a neuromusculoskeletal medicine and omm physician in Anaheim, California. The primary specialty in the NPI Registry is Neuromusculoskeletal Medicine & OMM Physician (taxonomy code 204D00000X).
Where does Dr. Neil Gregory Harness practice?
Dr. Harness practices at 441 N Lakeview Ave, Anaheim, CA 92807. Dr. Harness' primary practice is Southern California Permanente Medical Group in Anaheim, California. Dmand AI also links Dr. Harness to 1 group practice or clinic.
What is Dr. Neil Gregory Harness' office phone number?
The practice phone on file for Dr. Harness is (714) 279-4000.
What is Dr. Neil Gregory Harness' medical license number?
Dr. Harness holds California license A84398.
What medical group is Dr. Neil Gregory Harness part of?
Dr. Harness is linked to Southern California Permanente Medical Group.
Does Dr. Neil Gregory Harness accept Medicare?
Yes. CMS lists Dr. Harness as accepting Medicare assignment.
Is Dr. Neil Gregory Harness board certified?
Yes. Dr. Harness is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
Where did Dr. Neil Gregory Harness go to medical school?
Dr. Harness graduated from Loyola University Chicago Stritch School of Medicine in 1999.
What drugs does Dr. Neil Gregory Harness prescribe most?
In 2024 Medicare Part D data, Dr. Harness' most prescribed drugs by claims were Meloxicam, Oxycodone HCl and Tramadol HCl.
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Has Dr. Neil Gregory Harness received payments from drug or device companies?
CMS Open Payments shows $6,692 in general payments to Dr. Harness from 13 companies from 2016 to 2025. The largest total came from Synthes GmbH.
How long has Dr. Neil Gregory Harness been practicing?
Dr. Harness graduated from medical school in 1999, 27 years ago.
Does Dr. Neil Gregory Harness do research?
Dmand AI links 27 publications to Dr. Harness, published from 2006 to 2023.
Who does Dr. Neil Gregory Harness publish with?
Dr. Harness' most frequent co-authors are David C. Ring, MD (5 shared papers), Richard M. Dell, MD (2 shared papers) and Tadashi T. Funahashi, MD (2 shared papers).
What insurance does Dr. Neil Gregory Harness accept?
Dr. Harness is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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