Ralph Wang, MD
NPI 1679744833 · Physical Medicine & Rehabilitation Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ralph Wang, MD is a Physical Medicine & Rehabilitation Physician provider in Grand Rapids, MI (NPI 1679744833).
Provider details
- NPI number
- 1679744833
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301117210 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
18 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
669 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 469 | $75 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 85 | $112 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 67 | $165 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 48 | $107 |
Typical Medicare-allowed amounts for these services range $75–$165 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxyzine Pamoate | 52 | — |
| Atorvastatin Calcium | 41 | 34 |
| Amlodipine Besylate | 30 | 22 |
| Divalproex Sodium | 26 | — |
| Oxycodone Hcl | 25 | 25 |
| Tamsulosin Hcl | 22 | 20 |
| Methocarbamol | 22 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$34 across 2 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
- 2008-03-17
- Last updated
- 2021-03-31
- Certified
- 2021-03-31
Frequently asked questions
- What is Ralph Wang's NPI number?
- Ralph Wang's National Provider Identifier (NPI) is 1679744833, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ralph Wang's specialty?
- Ralph Wang is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Ralph Wang located?
- Ralph Wang's practice location on file with NPPES is 235 Wealthy St Se, Grand Rapids, MI 49503-5247.
- What is Ralph Wang's phone number?
- The practice phone number listed in the NPPES registry for Ralph Wang is (616) 840-8005.
- Does Ralph Wang accept Medicare?
- Ralph Wang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ralph Wang's NPI active?
- Yes — Ralph Wang's NPI (1679744833) is active in the NPPES registry as of the last update on 2021-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.