Michael Guardado-Montesino, MD
NPI 1821837618 · Internal Medicine Physician · Philadelphia, PA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Guardado-Montesino, MD is a Internal Medicine Physician provider in Philadelphia, PA (NPI 1821837618).
Provider details
- NPI number
- 1821837618
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MT231786 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
- 2024-05-21
- Last updated
- 2024-05-21
- Certified
- 2024-05-21
Frequently asked questions
- What is Michael Guardado-Montesino's NPI number?
- Michael Guardado-Montesino's National Provider Identifier (NPI) is 1821837618, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Guardado-Montesino's specialty?
- Michael Guardado-Montesino is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Guardado-Montesino located?
- Michael Guardado-Montesino's practice location on file with NPPES is 3401 N Broad St, Philadelphia, PA 19140-5189.
- What is Michael Guardado-Montesino's phone number?
- The practice phone number listed in the NPPES registry for Michael Guardado-Montesino is (800) 836-7536.
- Does Michael Guardado-Montesino accept Medicare?
- Michael Guardado-Montesino is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Guardado-Montesino's NPI active?
- Yes — Michael Guardado-Montesino's NPI (1821837618) is active in the NPPES registry as of the last update on 2024-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.