Andrew Messiha, MD
NPI 1700018926 · Pain Medicine (Anesthesiology) Physician · Laguna Hills, CA
Enrolled with Medicare as Practitioner - Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Messiha, MD is a Pain Medicine (Anesthesiology) Physician provider in Laguna Hills, CA (NPI 1700018926).
Provider details
- NPI number
- 1700018926
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A135825 (CA)
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 tenure25% of score
16 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
3,479 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 1,336 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,322 | $138 |
| Evaluation of Psychological Test, First Hour96130 | 187 | $126 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 126 | $194 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 121 | $235 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 237 | 61 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 219 | 51 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 108 | 13 |
| Pregabalin | 89 | 29 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 85 | 20 |
| Tramadol Hcl | 82 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,648 across 62 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
- 2009-08-20
- Last updated
- 2025-11-03
- Certified
- 2025-11-03
Frequently asked questions
- What is Andrew Messiha's NPI number?
- Andrew Messiha's National Provider Identifier (NPI) is 1700018926, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Messiha's specialty?
- Andrew Messiha is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Messiha located?
- Andrew Messiha's practice location on file with NPPES is 23521 Paseo De Valencia Ste 204, Laguna Hills, CA 92653-3101.
- What is Andrew Messiha's phone number?
- The practice phone number listed in the NPPES registry for Andrew Messiha is (949) 458-2026.
- Does Andrew Messiha accept Medicare?
- Andrew Messiha is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Messiha's NPI active?
- Yes — Andrew Messiha's NPI (1700018926) is active in the NPPES registry as of the last update on 2025-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.