Jeff Chen, M.D.
NPI 1922202407 · Physical Medicine & Rehabilitation Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeff Chen, M.D. is a Physical Medicine & Rehabilitation Physician provider in Walnut Creek, CA (NPI 1922202407).
Provider details
- NPI number
- 1922202407
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A100382 (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
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
1,260 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 711 | $151 |
| Drug Test(s), Definitive, Utilizing (1) Drug Identification Methods Able to Identify Individual Drugs and Distinguish Between Structural Isomers (but Not Necessarily Stereoisomers), Including, But Not Limited to Gc/Ms (any Type, Single Or Tandem) and Lc/MsG0483 | 268 | $242 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 55 | $109 |
| 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 | 49 | $19 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 39 |
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 |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 399 | 73 |
| Gabapentin | 123 | 25 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 113 | 27 |
| Oxycodone Hcl | 105 | 18 |
| Cyclobenzaprine Hcl | 101 | 24 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 81 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$452 across 12 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
- 2007-06-11
- Last updated
- 2025-08-28
- Certified
- 2025-08-28
Frequently asked questions
- What is Jeff Chen's NPI number?
- Jeff Chen's National Provider Identifier (NPI) is 1922202407, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeff Chen's specialty?
- Jeff Chen is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Jeff Chen located?
- Jeff Chen's practice location on file with NPPES is 450 N Wiget L, Walnut Creek, CA 94598.
- What is Jeff Chen's phone number?
- The practice phone number listed in the NPPES registry for Jeff Chen is (925) 691-9806.
- Does Jeff Chen accept Medicare?
- Jeff Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeff Chen's NPI active?
- Yes — Jeff Chen's NPI (1922202407) is active in the NPPES registry as of the last update on 2025-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.