Logan Griffiths, PA-C
- Medicare patients, 2024
- 90
- Part D claims, 2024
- 13
- Hospital affiliations
- 1
- Industry payments
- $21
- Medical groups
- 2
- Practice address
- 400 N State of Franklin Rd, Johnson City, TN 37604
- Practice phone
- Call (423) 431-6111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Johnson City Medical Center/Niswonger Children's
Johnson City, Tennessee
Find Logan Griffiths' 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.
Logan Griffiths is a physician assistant in Johnson City, Tennessee
Logan Griffiths practices at Johnson City Medical Center/Niswonger Children's in Johnson City, Tennessee.
Logan Griffiths' NPI, 1588150437, was assigned on July 3, 2018. Logan Griffiths graduated from Albany Medical College of Union University in 2018. Logan Griffiths holds Virginia license 0110006257.
- NPI
- 1588150437NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183973084
- NPI enumeration date
- July 3, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (423) 431-6111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Logan Griffiths practices at Johnson City Medical Center/Niswonger Children's in Johnson City, Tennessee
Logan Griffiths' primary practice is Johnson City Medical Center/Niswonger Children's, at 400 N State of Franklin Rd, Johnson City, TN 37604 in Washington County. The practice phone is (423) 431-6111.
- Johnson City Medical Center/Niswonger Children's400 N State of Franklin Rd, Johnson City, TN 37604 · Washington CountyPhone(423) 431-6111
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Logan Griffiths is affiliated with 2 sites of care and 2 medical groups
Logan Griffiths' primary practice is Johnson City Medical Center/Niswonger Children's in Johnson City, Tennessee. Logan Griffiths is also affiliated with Johnson City Medical Center. The medical group on file is Ballad Health Medical Associates Family, Internal & Pediatric Medicine. Dmand AI also links Logan Griffiths to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Logan Griffiths' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Logan Griffiths practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Johnson City Medical Center/Niswonger Children's | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Logan Griffiths is one of 2,573 physician assistants in Tennessee
Physician assistant is Logan Griffiths' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Logan Griffiths is licensed in Virginia.
Specialties and state licenses
- Physician assistant, VirginiaPrimary
Physician assistants near Logan Griffiths
Counts of physician assistants 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
Logan Griffiths treated 90 Medicare patients in 2024, average age 77
CMS counts 90 Medicare patients who saw Logan Griffiths in 2024. The largest group is 75 to 84, with 31 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.85, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Logan Griffiths' median patient age at 73, with 69% women.
Logan Griffiths' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Logan Griffiths' Medicare patients by sex, 2024
- Women6168%
- Men2932%
Chronic conditions among Logan Griffiths' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Anxiety57%
- Mood disorders52%
- Depression51%
- Ischemic heart disease41%
- Chronic kidney disease39%
Share of Medicare patients with each condition. A patient can have several.
Logan Griffiths' 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
- Women69%
- Men31%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Logan Griffiths wrote 13 Medicare Part D claims in 2024
In 2024, Logan Griffiths wrote 13 Medicare Part D claims. 92% of them were for generic drugs.
Logan Griffiths' Part D claims by kind of drug, 2024
- Generic12 claims92%
- Brand-name and other1 claims8%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Logan Griffiths takes part in Medicare
Logan Griffiths 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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Logan Griffiths received $21 in industry payments in 2025
CMS Open Payments shows 1 general payment to Logan Griffiths from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Ossur Americas., Inc paid the most, $21.
Companies that paid Logan Griffiths the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Logan Griffiths graduated from Albany Medical College of Union University
Logan Griffiths graduated from Albany Medical College of Union University in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Logan Griffiths'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 DataDmand AI Org Hierarchy Data |
| 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 (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) |
| 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 Logan Griffiths
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Logan Griffiths' NPI number?
Logan Griffiths' NPI number is 1588150437. It was assigned on July 3, 2018, and it is active in the NPI Registry.
What does Logan Griffiths specialize in?
Logan Griffiths is a physician assistant in Johnson City, Tennessee. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Logan Griffiths practice?
Logan Griffiths practices at 400 N State of Franklin Rd, Johnson City, TN 37604. Logan Griffiths' primary practice is Johnson City Medical Center/Niswonger Children's in Johnson City, Tennessee. Dmand AI also links Logan Griffiths to 1 medical group.
What is Logan Griffiths' office phone number?
The practice phone on file for Logan Griffiths is (423) 431-6111.
What is Logan Griffiths' medical license number?
Logan Griffiths holds Virginia license 0110006257.
Which hospitals is Logan Griffiths affiliated with?
Logan Griffiths is affiliated with Johnson City Medical Center.
What medical group is Logan Griffiths part of?
Logan Griffiths is linked to Ballad Health Medical Associates Family, Internal & Pediatric Medicine. Dmand AI links Logan Griffiths to 1 more medical group.
Does Logan Griffiths accept Medicare?
Yes. CMS lists Logan Griffiths as accepting Medicare assignment.
How many Medicare patients does Logan Griffiths see?
CMS counts 90 Medicare patients who saw Logan Griffiths in 2024, with an average age of 77.
Where did Logan Griffiths go to medical school?
Logan Griffiths graduated from Albany Medical College of Union University in 2018.
Has Logan Griffiths received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Logan Griffiths from 1 company from 2025 to 2025. The largest total came from Ossur Americas., Inc.
How long has Logan Griffiths been practicing?
Logan Griffiths graduated from medical school in 2018, 8 years ago.
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