Michael Weng, M.D.
NPI 1396837480 · Specialist · Phoenix, AZ
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Weng, M.D. is a Specialist provider in Phoenix, AZ (NPI 1396837480).
Provider details
- NPI number
- 1396837480
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 18604 (AZ)
Specialties & taxonomies
Other Service Providers
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
743 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) |
|---|---|---|
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 312 | $73 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 173 | $87 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 126 | $122 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 121 | $161 |
| Replacement of Knee Joint, Both Sides of Knee27447 | 11 | $1,240 |
Typical Medicare-allowed amounts for these services range $73–$1,240 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Naproxen | 398 | 175 |
| Meloxicam | 87 | 39 |
| Celecoxib | 85 | 19 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 63 | 46 |
| Ibuprofen | 50 | 20 |
| Gabapentin | 45 | 40 |
| Diclofenac Sodium | 36 | 14 |
| Hydrocodone/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$295 across 9 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
- 2006-09-28
- Last updated
- 2014-04-09
Frequently asked questions
- What is Michael Weng's NPI number?
- Michael Weng's National Provider Identifier (NPI) is 1396837480, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Weng's specialty?
- Michael Weng is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Michael Weng located?
- Michael Weng's practice location on file with NPPES is 9250 N 3rd St, Phoenix, AZ 85020-2437.
- What is Michael Weng's phone number?
- The practice phone number listed in the NPPES registry for Michael Weng is (602) 633-3710.
- Does Michael Weng accept Medicare?
- Michael Weng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Weng's NPI active?
- Yes — Michael Weng's NPI (1396837480) is active in the NPPES registry as of the last update on 2014-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.