Martin Portillo, MD
NPI 1134292493 · Internal Medicine Physician · Winston Salem, NC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martin Portillo, MD is a Internal Medicine Physician provider in Winston Salem, NC (NPI 1134292493).
Provider details
- NPI number
- 1134292493
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D0042033 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (2)
- 501 North Frederick AvenueGaithersburg, MD 20877-2598Phone: (301) 258-7265Fax: (301) 258-7135
- 3022 Eastway Dr Ste 1-3Charlotte, NC 28205-5642Phone: (704) 251-8228Fax: (980) 549-3830
Registry dates
- Enumerated
- 2006-11-16
- Last updated
- 2025-09-24
- Certified
- 2025-09-24
Frequently asked questions
- What is Martin Portillo's NPI number?
- Martin Portillo's National Provider Identifier (NPI) is 1134292493, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Portillo's specialty?
- Martin Portillo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Portillo located?
- Martin Portillo's practice location on file with NPPES is 1115 Silas Creek Pkwy, Winston Salem, NC 27127-5627.
- What is Martin Portillo's phone number?
- The practice phone number listed in the NPPES registry for Martin Portillo is (704) 251-8228.
- Does Martin Portillo accept Medicare?
- Martin Portillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martin Portillo's NPI active?
- Yes — Martin Portillo's NPI (1134292493) is active in the NPPES registry as of the last update on 2025-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.