Guillermo Gutierrez, MD
NPI 1912999301 · Surgery Physician · Perth Amboy, NJ
Guillermo Gutierrez, MD is a Surgery Physician provider in Perth Amboy, NJ (NPI 1912999301).
Provider details
- NPI number
- 1912999301
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA05749600 (NJ)
Specialties & taxonomies
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2005-08-22
- Last updated
- 2008-05-09
Frequently asked questions
- What is Guillermo Gutierrez's NPI number?
- Guillermo Gutierrez's National Provider Identifier (NPI) is 1912999301, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guillermo Gutierrez's specialty?
- Guillermo Gutierrez is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Guillermo Gutierrez located?
- Guillermo Gutierrez's practice location on file with NPPES is 530 New Brunswick Ave, Perth Amboy, NJ 08861-3654.
- What is Guillermo Gutierrez's phone number?
- The practice phone number listed in the NPPES registry for Guillermo Gutierrez is (732) 324-6031.
- Is Guillermo Gutierrez's NPI active?
- Yes — Guillermo Gutierrez's NPI (1912999301) is active in the NPPES registry as of the last update on 2008-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.