Mary Maun-Viduya, PA
NPI 1962663005 · Physician Assistant · Shafter, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Maun-Viduya, PA is a Physician Assistant provider in Shafter, CA (NPI 1962663005).
Provider details
- NPI number
- 1962663005
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- PA19777 (CA)
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 tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
21 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 21 | $9 |
Typical Medicare-allowed amounts for these services range $9–$9 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hcl | 97 | 30 |
| Lisinopril | 95 | 32 |
| Atorvastatin Calcium | 65 | 24 |
| Hydrochlorothiazide | 62 | 23 |
| Levothyroxine Sodium | 59 | 17 |
| Hydralazine Hcl | 53 | — |
| Losartan Potassium | 52 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$581 across 17 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
- 2008-06-20
- Last updated
- 2011-12-22
Frequently asked questions
- What is Mary Maun-Viduya's NPI number?
- Mary Maun-Viduya's National Provider Identifier (NPI) is 1962663005, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Maun-Viduya's specialty?
- Mary Maun-Viduya is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Maun-Viduya located?
- Mary Maun-Viduya's practice location on file with NPPES is 655 S Central Valley Hwy, Shafter, CA 93263-2790.
- What is Mary Maun-Viduya's phone number?
- The practice phone number listed in the NPPES registry for Mary Maun-Viduya is (661) 746-9194.
- Does Mary Maun-Viduya accept Medicare?
- Mary Maun-Viduya is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Maun-Viduya's NPI active?
- Yes — Mary Maun-Viduya's NPI (1962663005) is active in the NPPES registry as of the last update on 2011-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.