Cynthia Obrien, CRNP
NPI 1912075359 · Nurse Practitioner · Largo, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Obrien, CRNP is a Nurse Practitioner provider in Largo, MD (NPI 1912075359).
Provider details
- NPI number
- 1912075359
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- R093367 (MD)
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
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Glipizide | 65 | 28 |
| Pen Needle, Diabeticbrand: Ultra-Fine Short Pen Needle | 59 | 28 |
| Insulin Glargine-Yfgn | 56 | 26 |
| Insulin Nph Hum/Reg Insulin Hmbrand: Humulin 70/30 Kwikpen | 47 | 19 |
| Insulin Nph Human Isophanebrand: Humulin N | 44 | 21 |
| Insulin Lisprobrand: Humalog Kwikpen U-100 | 38 | — |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$145 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
- 2006-12-02
- Last updated
- 2021-06-02
- Certified
- 2021-06-02
Frequently asked questions
- What is Cynthia Obrien's NPI number?
- Cynthia Obrien's National Provider Identifier (NPI) is 1912075359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Obrien's specialty?
- Cynthia Obrien is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cynthia Obrien located?
- Cynthia Obrien's practice location on file with NPPES is 1221 Mercantile Ln, Largo, MD 20774-5374.
- What is Cynthia Obrien's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Obrien is (301) 618-5929.
- Does Cynthia Obrien accept Medicare?
- Cynthia Obrien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Obrien's NPI active?
- Yes — Cynthia Obrien's NPI (1912075359) is active in the NPPES registry as of the last update on 2021-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.