OrganizationActive
Master Medical Supply Inc
NPI 1801841291 · Oxygen Equipment & Supplies (DME) · Bayamon, PR
Master Medical Supply Inc is a Oxygen Equipment & Supplies (DME) organization in Bayamon, PR (NPI 1801841291).
Provider details
- NPI number
- 1801841291
- Entity type
- Organization
- Primary specialty
- Oxygen Equipment & Supplies (DME)Suppliers
- Organization subpart
- No
- Authorized official
- Sheila Negretti, President(787) 779-5197
- License
- 0792254 (PR)
Specialties & taxonomies
Suppliers
Profile Score
Detailed profile(91/100 index)
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
Extension Villa Rica H26 Calle 2
Ste a
Bayamon, PR 00959
Phone: (787) 779-5197
Fax: (787) 779-4188
Street-level locationGet directions
Mailing address
Po Box 2400
Toa Baja, PR 00951-2400
Other names (DBA / former)
- Other name
- Sheila I Negretti Alvarez
Registry dates
- Enumerated
- 2006-05-23
- Last updated
- 2008-07-02
Frequently asked questions
- What is Master Medical Supply Inc's NPI number?
- Master Medical Supply Inc's National Provider Identifier (NPI) is 1801841291, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Master Medical Supply Inc?
- Master Medical Supply Inc is classified in the NPPES registry as Oxygen Equipment & Supplies (DME) (Suppliers).
- Where is Master Medical Supply Inc located?
- Master Medical Supply Inc's practice location on file with NPPES is Extension Villa Rica H26 Calle 2, Bayamon, PR 00959.
- What is Master Medical Supply Inc's phone number?
- The practice phone number listed in the NPPES registry for Master Medical Supply Inc is (787) 779-5197.
- Who is the authorized official for Master Medical Supply Inc?
- The authorized official listed on Master Medical Supply Inc's NPPES record is Sheila Negretti, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Master Medical Supply Inc's NPI active?
- Yes — Master Medical Supply Inc's NPI (1801841291) is active in the NPPES registry as of the last update on 2008-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.