● Active Type 1 · Individual

Mark Robertshaw

Internal Medicine·Plano, TX· NPI 1396277265 · Enumerated 2017 · 9 years on NPI

Robertshaw is 1 of 17 internal medicine providers in Plano and 1 of 1318 in Texas.

NPI age

9 years

Enumerated 2017-03-30

Primary specialty

Internal Medicine

Plus 1 subspecialty

Licensed in

1 state

Status

Active

No deactivations on record

Last NPPES update

2024-10-01

Source: monthly bulk 2026-05

Sole proprietor

May be part of a larger org

How this provider compares

Across 1318 active internal medicine providers in Texas.

NPI age

9 years

↓ 9 yr below median (18 yr)

State licenses

1 state

15% of peers hold multiple states

Subspecialties

In the 57% of peers with subspecialties

NPI lifetime · 2017 → 2026

2017-03Enumerated in NPPES

2017 2026

Where they practice

Practice location

6124 W Parker Rd, Professional Office Building 3, Suite 530

Plano, TX 750938122

📞 2147781075

Mailing address

6124 W Parker Rd, Pob 3, Suite 530

Plano, TX 750938122

Specialties

Allopathic & Osteopathic Physicians › Internal Medicine

Internal Medicine Primary

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex...

TX license #S6924 taxonomy 207RP1001X
Internal Medicine

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the...

TX license #S6924 taxonomy 207RC0200X

Practice context

Part of a multi-provider practice. 89 other active providers share this practice address in NPPES.

Recently enumerated nearby: 1 new internal medicine provider has been added in Plano in the last 180 days. See all →

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How to verify this provider

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.