Dr. John Patrick Nash, MD
- Medicare services, 2024
- 17,922
- Medicare patients, 2024
- 1,078
- Part D claims, 2024
- 1,834
- MIPS score, 2024
- 94
- Hospital affiliations
- 4
- Practice address
- 2525 Desales Ave, Chattanooga, TN 37404
- Practice phone
- Call (423) 495-2525
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Nash'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. John Patrick Nash is an orthopedic surgeon in Chattanooga, Tennessee
Dr. Nash practices at CommonSpirit - Memorial Hospital - Chattanooga in Chattanooga, Tennessee, part of CommonSpirit Health.
Dr. Nash's NPI, 1821086281, was assigned on October 11, 2005. Dr. Nash graduated from Harvard Medical School in 1990. Dr. Nash holds Tennessee license 026978.
- NPI
- 1821086281NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759467491
- NPI enumeration date
- October 11, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (423) 495-2525
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Patrick Nash practices at CommonSpirit - Memorial Hospital - Chattanooga in Chattanooga, Tennessee
Dr. Nash's primary practice is CommonSpirit - Memorial Hospital - Chattanooga, at 2525 Desales Ave, Chattanooga, TN 37404 in Hamilton County. The practice phone is (423) 495-2525.
- CommonSpirit - Memorial Hospital - Chattanooga2525 Desales Ave, Chattanooga, TN 37404 · Hamilton CountyPhone(423) 495-2525
Source: Dmand AI Affiliation Data
Dr. John Patrick Nash is affiliated with 10 sites of care and 2 medical groups
Dr. Nash's primary practice is CommonSpirit - Memorial Hospital - Chattanooga in Chattanooga, Tennessee, part of CommonSpirit Health. Dr. Nash is also affiliated with Siskin Hospital for Physical Rehabilitation. The medical group on file is Center for Sports Medicine & Orthopaedics. Dmand AI also links Dr. Nash to 2 more hospitals, 4 home health agencies, 2 group practices and clinics and 1 medical group, 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. John Patrick Nash's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nash practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CommonSpirit - Memorial Hospital - Chattanooga | Available with a free account |
| +9 more sites and 1 medical group | 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 CommonSpirit Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Patrick Nash is one of 380 orthopedic surgeons in Tennessee
Orthopaedic surgery is Dr. Nash's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dmand AI has Dr. Nash's licenses on file in 2 states: Tennessee and California.
Specialties and state licenses
- Orthopaedic surgery, TennesseePrimary
- California license
Orthopedic surgeons near Dr. Nash
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. John Patrick Nash billed Medicare for 17,922 services in 2024
CMS data shows 17,922 Medicare services from Dr. Nash across 24 procedure codes in 2024, for 1,078 Medicare patients. Medicare paid $361,484 for them.
Dr. Nash's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 4772024: 14,8363010%
- Imaging
- 2023: 1,6892024: 1,6721%
- Office and hospital visits
- 2023: 1,0142024: 9348%
- Surgery
- 2023: 6032024: 48020%
Where Dr. Nash's Medicare services took place, 2024
- In an office17,64998%
- In a facility2732%
Dr. Nash compared with the Tennessee median for orthopedic surgeons, 2024
- Dr. Nash
- Tennessee median
- Medicare services
- 17,922vs 1,59511.2 times
- Medicare patients
- 1,078vs 2903.7 times
- Part D claims
- 1,772vs 2327.6 times
Medians across 392 orthopedic surgeons in Tennessee with Dmand AI profiles that report each measure.
Dr. Nash'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. John Patrick Nash treated 1,078 Medicare patients in 2024, average age 75
CMS counts 1,078 Medicare patients who saw Dr. Nash in 2024. The largest group is 65 to 74, with 506 patients. 75% of them have arthritis, and 75% have high blood pressure. 3% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nash's median patient age at 72, with 66% women.
Dr. Nash's Medicare patients by age, 2024
Dr. Nash's Medicare patients by sex, 2024
- Women71566%
- Men36334%
Chronic conditions among Dr. Nash's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes29%
- Ischemic heart disease29%
- Mood disorders28%
- Anxiety27%
- Depression26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nash'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
- Women66%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Patrick Nash wrote 1,834 Medicare Part D claims in 2024
In 2024, Dr. Nash wrote 1,834 Medicare Part D claims for 705 patients. 98% of them were for generic drugs. CMS names the drug for 1,772 of them, across 19 drugs with 11 or more claims each, at $24,895 in total drug cost. In 2023, CMS named 1,694 claims across 17 drugs.
Dr. Nash's Part D claims by kind of drug, 2024
- Generic1,790 claims98%
- Brand-name44 claims2%
Dr. Nash'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. Nash's Part D claims, 2024
- Opioids18%333 of 1,834 claims
- Antibiotics30%542 of 1,834 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: 1,6942024: 1,7725%
Drugs named by CMS: 19 in 2024, 17 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. John Patrick Nash scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Nash for performance year 2024, reported through an alternative payment model (APM). Dr. Nash accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nash as offering telehealth. CMS counts 153 procedures of knee replacement by Dr. Nash, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Nash's MIPS scores, performance year 2024
- 94of 100Final score
- 92.6of 100Quality
- 93of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Nash ranks in Medicare procedure volume
- Knee replacement
- 97th percentile153 procedures
- Hip replacement
- 93rd percentile72 procedures
- Lower limb (leg) arthroscopy (minimally invasive joint repair)
- 97th percentile32 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. John Patrick Nash received $515 in industry payments from 2016 to 2025
CMS Open Payments shows 15 general payments to Dr. Nash from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 64% of the total. Ethicon Inc. paid the most, $197.
General payments to Dr. Nash by program year, 2016 to 2025
General payments to Dr. Nash by kind, 2016 to 2025
- Food and beverage$32964%
- Education$18636%
Companies that paid Dr. Nash 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. John Patrick Nash graduated from Harvard Medical School
Dr. Nash graduated from Harvard Medical School in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Patrick Nash'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. John Patrick Nash
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. John Patrick Nash's NPI number?
Dr. John Patrick Nash's NPI number is 1821086281. It was assigned on October 11, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John Patrick Nash?
Dr. John Patrick Nash is an orthopedic surgeon in Chattanooga, Tennessee. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. John Patrick Nash practice?
Dr. Nash practices at 2525 Desales Ave, Chattanooga, TN 37404. Dr. Nash's primary practice is CommonSpirit - Memorial Hospital - Chattanooga in Chattanooga, Tennessee, part of CommonSpirit Health. Dmand AI also links Dr. Nash to 2 hospitals, 4 home health agencies, 2 group practices and clinics and 1 medical group.
What is Dr. John Patrick Nash's office phone number?
The practice phone on file for Dr. Nash is (423) 495-2525.
What is Dr. John Patrick Nash's medical license number?
Dr. Nash holds Tennessee license 026978, one of the licenses on file in 2 states.
Which states has Dr. John Patrick Nash been licensed in?
Dmand AI has state licenses on file for Dr. Nash in Tennessee and California.
Which hospitals is Dr. John Patrick Nash affiliated with?
Dr. Nash practices at CommonSpirit - Memorial Hospital - Chattanooga in Chattanooga, Tennessee. Dr. Nash is also affiliated with Siskin Hospital for Physical Rehabilitation. Dmand AI links Dr. Nash to 2 more hospitals.
What medical group is Dr. John Patrick Nash part of?
Dr. Nash is linked to Center for Sports Medicine & Orthopaedics. Dmand AI links Dr. Nash to 1 more medical group.
Does Dr. John Patrick Nash accept Medicare?
Yes. CMS data shows Dr. Nash billed Medicare for 17,922 services in 2024, and Dr. Nash accepts Medicare assignment.
Does Dr. John Patrick Nash offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nash as offering telehealth services.
Show 7 more questionsShow fewer questions
What is Dr. John Patrick Nash's MIPS score?
Dr. Nash's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. John Patrick Nash see?
CMS counts 1,078 Medicare patients who saw Dr. Nash in 2024, with an average age of 75.
What services does Dr. John Patrick Nash bill to Medicare?
In 2024, Dr. Nash's most billed Medicare services were injected or infused drug (J1010), office visit, established patient (99214) and diagnostic imaging (73564).
Where did Dr. John Patrick Nash go to medical school?
Dr. Nash graduated from Harvard Medical School in 1990.
What drugs does Dr. John Patrick Nash prescribe most?
In 2024 Medicare Part D data, Dr. Nash's most prescribed drugs by claims were Amoxicillin, Meloxicam and Oxycodone HCl.
Has Dr. John Patrick Nash received payments from drug or device companies?
CMS Open Payments shows $515 in general payments to Dr. Nash from 12 companies from 2016 to 2025. The largest total came from Ethicon Inc.
How long has Dr. John Patrick Nash been practicing?
Dr. Nash graduated from medical school in 1990, 36 years ago.
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