NPI age
18 years
Enumerated 2007-09-19
● Active
Type 1 · Individual
DR. Massala Prince Reffell, O.D.
Reffell is 1 of 53 optometrist providers in McAllen and 1 of 7867 in Texas.
Primary specialty
Optometrist
Plus 2 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2023-09-11
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 7867 active optometrist providers in Texas.
NPI age
18 years
↑ 3 yr above median (15 yr)
State licenses
1 state
5% of peers hold multiple states
Subspecialties
2
In the 13% of peers with subspecialties
NPI lifetime · 2007 → 2026
2007-09Enumerated in NPPES
2007
2026
Where they practice
Practice location
1309 E Ridge Rd Ste 1
McAllen, TX 785031518
Mailing address
Po Box 4830
Edinburg, TX 785404830
Additional practice locations
1 secondary location on file with NPPES.
Location 2
6760 Westworth Blvd
Westworth Village, TX 761144002
Specialties
-
Optometrist PrimaryDoctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as...
-
OptometristThe professional activities performed by an Optometrist related to the fitting of contact lenses to an eye, ongoing evaluation of the cornea's ability to sustain successful contact lens wear, and treatment of any external eye or corneal...
-
OptometristOptometrists who work in Occupational Vision, the branch of environmental optometry, consider all aspects of the relationship between work and vision, visual performances, eye safety, and health.
Practice context
Part of a multi-provider practice. 12 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.