Manuel Guillen, MD
NPI 1811092414 · Allergy Physician · Great Falls, VA
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Manuel Guillen, MD is a Allergy Physician provider in Great Falls, VA (NPI 1811092414).
Provider details
- NPI number
- 1811092414
- Entity type
- Individual
- Primary specialty
- Allergy PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101032457 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$102 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Manuel Guillen's NPI number?
- Manuel Guillen's National Provider Identifier (NPI) is 1811092414, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Manuel Guillen's specialty?
- Manuel Guillen is listed in the NPPES registry with a primary specialty of Allergy Physician (Allopathic & Osteopathic Physicians).
- Where is Manuel Guillen located?
- Manuel Guillen's practice location on file with NPPES is 101 34 D Colvin Run Road, Great Falls, VA 22066.
- What is Manuel Guillen's phone number?
- The practice phone number listed in the NPPES registry for Manuel Guillen is (703) 757-7950.
- Does Manuel Guillen accept Medicare?
- Manuel Guillen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Manuel Guillen's NPI active?
- Yes — Manuel Guillen's NPI (1811092414) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.