Michael Maehara, M.D.
NPI 1316969629 · Rheumatology Physician · Long Beach, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Maehara, M.D. is a Rheumatology Physician provider in Long Beach, CA (NPI 1316969629).
Provider details
- NPI number
- 1316969629
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A39815 (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 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
475 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 261 | $138 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 74 | $44 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 54 | $9 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 47 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 22 | $179 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 344 | 80 |
| Hydroxychloroquine Sulfate | 338 | 70 |
| Alendronate Sodium | 218 | 62 |
| Prednisone | 175 | 37 |
| Tramadol Hcl | 134 | 45 |
| Denosumabbrand: Prolia | 133 | 94 |
| Ibuprofen | 74 | 27 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2016-07-15
Frequently asked questions
- What is Michael Maehara's NPI number?
- Michael Maehara's National Provider Identifier (NPI) is 1316969629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Maehara's specialty?
- Michael Maehara is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Maehara located?
- Michael Maehara's practice location on file with NPPES is 2220 Clark Ave, Long Beach, CA 90815-2521.
- What is Michael Maehara's phone number?
- The practice phone number listed in the NPPES registry for Michael Maehara is (562) 597-4181.
- Does Michael Maehara accept Medicare?
- Michael Maehara is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Maehara's NPI active?
- Yes — Michael Maehara's NPI (1316969629) is active in the NPPES registry as of the last update on 2016-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.