Nicholas Perrotto, P.A.
NPI 1538235734 · Physician Assistant · Mountain View, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Perrotto, P.A. is a Physician Assistant provider in Mountain View, CA (NPI 1538235734).
Provider details
- NPI number
- 1538235734
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- No
- License
- PA10475 (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
19 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
562 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) |
|---|---|---|
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 306 | $82 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 140 | $94 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 80 | $132 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 36 | $170 |
Typical Medicare-allowed amounts for these services range $82–$170 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 54 | 36 |
| Celecoxib | 34 | 18 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 34 | 25 |
| Meloxicam | 27 | 15 |
| Amoxicillin | 18 | 15 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 18 | 15 |
| Ondansetron Hcl | 16 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$150 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
- 2006-11-28
- Last updated
- 2013-07-23
Frequently asked questions
- What is Nicholas Perrotto's NPI number?
- Nicholas Perrotto's National Provider Identifier (NPI) is 1538235734, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Perrotto's specialty?
- Nicholas Perrotto is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nicholas Perrotto located?
- Nicholas Perrotto's practice location on file with NPPES is 701 E El Camino Real, Mountain View, CA 94040-2833.
- What is Nicholas Perrotto's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Perrotto is (650) 934-7111.
- Does Nicholas Perrotto accept Medicare?
- Nicholas Perrotto is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Perrotto's NPI active?
- Yes — Nicholas Perrotto's NPI (1538235734) is active in the NPPES registry as of the last update on 2013-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.