Paul Maistros, M.D.
NPI 1275532301 · Sleep Medicine (Psychiatry & Neurology) Physician · Fountain Valley, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paul Maistros, M.D. is a Sleep Medicine (Psychiatry & Neurology) Physician provider in Fountain Valley, CA (NPI 1275532301).
Provider details
- NPI number
- 1275532301
- Entity type
- Individual
- Primary specialty
- Sleep Medicine (Psychiatry & Neurology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A44496 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
252 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 158 | $194 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 27 | $235 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 25 | $138 |
| Measurement of Brain Wave Activity (eeg), Awake and Drowsy95816 | 21 | $455 |
| Administration of Psychological Or Neuropsychological Test, First 30 Minutes96136 | 21 | $46 |
Typical Medicare-allowed amounts for these services range $46–$455 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Memantine Hcl | 183 | 47 |
| Donepezil Hcl | 150 | 49 |
| Levetiracetam | 76 | 18 |
| Gabapentin | 75 | 18 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 72 | 17 |
| Mirtazapine | 46 | 14 |
| Trazodone Hcl | 42 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$46 across 2 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
- 2005-07-20
- Last updated
- 2019-10-17
Frequently asked questions
- What is Paul Maistros's NPI number?
- Paul Maistros's National Provider Identifier (NPI) is 1275532301, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Maistros's specialty?
- Paul Maistros is listed in the NPPES registry with a primary specialty of Sleep Medicine (Psychiatry & Neurology) Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Maistros located?
- Paul Maistros's practice location on file with NPPES is 11160 Warner Ave, Fountain Valley, CA 92708-4008.
- What is Paul Maistros's phone number?
- The practice phone number listed in the NPPES registry for Paul Maistros is (714) 437-1246.
- Does Paul Maistros accept Medicare?
- Paul Maistros is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paul Maistros's NPI active?
- Yes — Paul Maistros's NPI (1275532301) is active in the NPPES registry as of the last update on 2019-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.