Mallory Gahm, APRN, FNP-C
NPI 1205393675 · Family Nurse Practitioner · Houston, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mallory Gahm, APRN, FNP-C is a Family Nurse Practitioner provider in Houston, TX (NPI 1205393675).
Provider details
- NPI number
- 1205393675
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- AP140741 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 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.
$456 across 4 records (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
- 2019-02-21
- Last updated
- 2019-03-12
Frequently asked questions
- What is Mallory Gahm's NPI number?
- Mallory Gahm's National Provider Identifier (NPI) is 1205393675, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mallory Gahm's specialty?
- Mallory Gahm is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mallory Gahm located?
- Mallory Gahm's practice location on file with NPPES is 6651 Main St Fl 21, Houston, TX 77030-2351.
- What is Mallory Gahm's phone number?
- The practice phone number listed in the NPPES registry for Mallory Gahm is (832) 824-3278.
- Does Mallory Gahm accept Medicare?
- Mallory Gahm is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mallory Gahm's NPI active?
- Yes — Mallory Gahm's NPI (1205393675) is active in the NPPES registry as of the last update on 2019-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.