Mark Simonds, MD
NPI 1124244991 · Psychiatry Physician · Mission Hills, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Simonds, MD is a Psychiatry Physician provider in Mission Hills, CA (NPI 1124244991).
Provider details
- NPI number
- 1124244991
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101230975 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
284 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 120 | $81 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 71 | $153 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 54 | $108 |
| Psychotherapy With Evaluation and Management Visit, 45 Minutes90836 | 22 | $102 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 17 | $196 |
Typical Medicare-allowed amounts for these services range $81–$196 (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 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluoxetine Hcl | 59 | 25 |
| Bupropion Hclbrand: Bupropion Xl | 55 | 19 |
| Alprazolam | 39 | 23 |
| Trazodone Hcl | 36 | 22 |
| Duloxetine Hcl | 35 | 18 |
| Clonazepam | 29 | 14 |
| Fluvoxamine Maleate | 27 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-18
- Last updated
- 2014-04-02
Frequently asked questions
- What is Mark Simonds's NPI number?
- Mark Simonds's National Provider Identifier (NPI) is 1124244991, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Simonds's specialty?
- Mark Simonds is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Simonds located?
- Mark Simonds's practice location on file with NPPES is 11333 Sepulveda Blvd, Mission Hills, CA 91345-1116.
- What is Mark Simonds's phone number?
- The practice phone number listed in the NPPES registry for Mark Simonds is (818) 837-5780.
- Does Mark Simonds accept Medicare?
- Mark Simonds is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Simonds's NPI active?
- Yes — Mark Simonds's NPI (1124244991) is active in the NPPES registry as of the last update on 2014-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.