NPI age
7 years
Enumerated 2018-06-11
● Active
Type 1 · Individual
DR. Marcus Martin Montalvo, DDS
Montalvo is 1 of 44 dentist providers in Harlingen and 1 of 15661 in Texas.
Primary specialty
Dentist
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2018-06-11
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 15661 active dentist providers in Texas.
NPI age
7 years
↓ 7 yr below median (14 yr)
State licenses
1 state
5% of peers hold multiple states
Subspecialties
0
13% of peers hold subspecialties
NPI lifetime · 2018 → 2026
2018-06Enumerated in NPPES
2018
2026
Where they practice
Practice location
321 S 13th St # 101
Harlingen, TX 785507117
Mailing address
267 N Fannin St
San Benito, TX 785864523
Additional practice locations
1 secondary location on file with NPPES.
Location 2
618 N Ed Carey Dr
Harlingen, TX 785507912
Specialties
-
Dentist PrimaryA general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
Practice context
Solo or small practice. No other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new dentist provider has been added in Harlingen in the last 180 days.
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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.