Matthew Long, D.O.
NPI 1851406243 · Adult Medicine Physician · Long Beach, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Long, D.O. is a Adult Medicine Physician provider in Long Beach, CA (NPI 1851406243).
Provider details
- NPI number
- 1851406243
- Entity type
- Individual
- Primary specialty
- Adult Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 2OA8553 (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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
324 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 91 | $98 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 69 | $137 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 40 | $140 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 39 | $21 |
| Administration of Influenza Virus VaccineG0008 | 22 | $35 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 154 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 876 | 279 |
| Amlodipine Besylate | 629 | 183 |
| Losartan Potassium | 465 | 142 |
| Levothyroxine Sodium | 441 | 124 |
| Metformin Hcl | 398 | 119 |
| Lisinopril | 335 | 109 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$68 across 3 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
Additional practice locations (1)
- 1919 S Catalina AveRedondo Beach, CA 90277-5515Phone: (310) 378-7246
Registry dates
- Enumerated
- 2006-08-19
- Last updated
- 2026-04-30
- Certified
- 2026-04-30
Frequently asked questions
- What is Matthew Long's NPI number?
- Matthew Long's National Provider Identifier (NPI) is 1851406243, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Long's specialty?
- Matthew Long is listed in the NPPES registry with a primary specialty of Adult Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Long located?
- Matthew Long's practice location on file with NPPES is 2600 Redondo Ave, Long Beach, CA 90806-2325.
- What is Matthew Long's phone number?
- The practice phone number listed in the NPPES registry for Matthew Long is (562) 988-7000.
- Does Matthew Long accept Medicare?
- Matthew Long is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Long's NPI active?
- Yes — Matthew Long's NPI (1851406243) is active in the NPPES registry as of the last update on 2026-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.