David M. Spangler, OD
- Industry payments
- $14
- Affiliated sites
- 1
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 3101 Browns Mill Rd, Johnson City, TN 37604
- Practice phone
- Call (423) 282-1100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
TN Doctors of Optometry
Johnson City, Tennessee
Find David Spangler'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.
David M. Spangler is an optometrist in Johnson City, Tennessee
David Spangler practices at TN Doctors of Optometry in Johnson City, Tennessee.
David Spangler's NPI, 1841361391, was assigned on November 13, 2006. David Spangler graduated from University Alabama Birmingham - School of Optometry in 1993. David Spangler holds Tennessee license OD1485.
- NPI
- 1841361391NPI Registry (opens in a new tab)
- NPI enumeration date
- November 13, 2006
- NPI status
- Active
- Practice phone
- (423) 282-1100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
David M. Spangler practices at TN Doctors of Optometry in Johnson City, Tennessee
David Spangler's primary practice is TN Doctors of Optometry, at 3101 Browns Mill Rd, Johnson City, TN 37604 in Washington County. The practice phone is (423) 282-1100.
- TN Doctors of Optometry3101 Browns Mill Rd, Johnson City, TN 37604 · Washington CountyPhone(423) 282-1100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
David M. Spangler is affiliated with 2 sites of care and 2 medical groups
David Spangler's primary practice is TN Doctors of Optometry in Johnson City, Tennessee. Dmand AI also links David Spangler to 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at David M. Spangler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Spangler practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| TN Doctors of Optometry | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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David M. Spangler is one of 969 optometrists in Tennessee
Optometrist is David Spangler's primary specialty in the NPI Registry, under taxonomy code 152W00000X. David Spangler is licensed in Tennessee.
Specialties and state licenses
- Optometrist, TennesseePrimary
Optometrists near David Spangler
Counts of optometrists 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
David M. Spangler's patients have a median age of 21
Across all payers, Dmand AI patient panel data puts David Spangler's median patient age at 21, with 57% women.
David Spangler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 21
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
David M. Spangler received $14 in industry payments in 2025
CMS Open Payments shows 1 general payment to David Spangler from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $14.
Companies that paid David Spangler the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
David M. Spangler graduated from University Alabama Birmingham - School of Optometry
David Spangler graduated from University Alabama Birmingham - School of Optometry in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for David M. Spangler'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 |
| 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 David M. Spangler
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is David M. Spangler's NPI number?
David M. Spangler's NPI number is 1841361391. It was assigned on November 13, 2006, and it is active in the NPI Registry.
What does David M. Spangler specialize in?
David M. Spangler is an optometrist in Johnson City, Tennessee. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does David M. Spangler practice?
David Spangler practices at 3101 Browns Mill Rd, Johnson City, TN 37604. David Spangler's primary practice is TN Doctors of Optometry in Johnson City, Tennessee. Dmand AI also links David Spangler to 2 medical groups and 1 group practice or clinic.
What is David M. Spangler's office phone number?
The practice phone on file for David Spangler is (423) 282-1100.
What is David M. Spangler's medical license number?
David Spangler holds Tennessee license OD1485.
Where did David M. Spangler go to medical school?
David Spangler graduated from University Alabama Birmingham - School of Optometry in 1993.
Has David M. Spangler received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to David Spangler from 1 company from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has David M. Spangler been practicing?
David Spangler graduated from medical school in 1993, 33 years ago.
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