DR. MARK A. GREER (O.D.) – Optometrist, NPI 1154372266
Optometrist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
957 OPTOMETRY in TN
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Provider Addresses for DR. MARK A. GREER (O.D.)
8614 WESTWOOD CENTER DR FL 9
VIENNA, VA 221822442
Phone: (703) 847-8899
Fax: (571) 223-6780
Type: Mailing
1950 OLD GALLOWS RD STE 520
VIENNA, VA 221823970
Phone: (703) 847-8899
Fax: (571) 223-6780
Type: Mailing
127, East Division Road, Jackson Square, Oak Ridge, Anderson County, Tennessee, 37830, United States
OAK RIDGE, TN 378306907
Phone: (865) 483-6338
Fax: (865) 482-5851
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $524.
Total Amount is formed as General ($524) + Research ($0) + Ownership ($0) = $524.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Johnson & Johnson Vision Care, Inc. ($156).
Total Amount
$524
General + Research + Ownership
Payments
8
Total payment records
General Amount
$524
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2007-11-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20071121000525 | I | Optometry | TN | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 151 | 81 | $0 |
| 92014 | Established patient complete exam of visual system | 144 | 143 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 130 | 96 | $0 |
| 92250 | Photography of the retina | 114 | 113 | $0 |
| 92083 | Exam of visual field with extended testing | 78 | 78 | $0 |
Insurance plans in this area (ZIP 22182)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P T O M E T R Y | VA | |
| O P T O M E T R Y | TN | |
| O P T O M E T R Y | VA | |
| O P T O M E T R Y | TN | |
| O P T O M E T R Y | TN | |
| O P T O M E T R Y | TN | |
| O P T O M E T R Y | TN | |
| O P T O M E T R Y | TN | |
| O P T O M E T R Y | TN | |
| O P T O M E T R Y | TN |
Reviews
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