NPI age
12 years
Enumerated 2014-01-15
● Active
Type 1 · Individual
Kristin Marie Massimo, PA-C
Massimo is 1 of 1803 physician assistant providers in Houston and 1 of 11022 in Texas.
Primary specialty
Physician Assistant
Plus 2 subspecialties
Licensed in
PA, NJ, TX
3 states
Status
Active
No deactivations on record
Last NPPES update
2025-10-14
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 11022 active physician assistant providers in Texas.
NPI age
12 years
↑ 2 yr above median (10 yr)
State licenses
3 states
Top 92% — 7% of peers are multi-state
Subspecialties
0
23% of peers hold subspecialties
NPI lifetime · 2014 → 2026
2014-01Enumerated in NPPES
2014
2026
Where they practice
Practice location
13111 East Fwy
Houston, TX 770155803
Mailing address
13111 East Fwy
Houston, TX 770155803
Additional practice locations
1 secondary location on file with NPPES.
Location 2
1201 Langhorne Newtown Rd Ste 1
Langhorne, PA 190471295
Specialties
-
Physician Assistant PrimaryA physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (NJ) | 25MP00437800 |
Multi-state credentialing: Licensed in 3 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 33 other active providers share this practice address in NPPES.
Recently enumerated nearby: 27 new physician assistant providers have been added in Houston 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.