Jeff Kwok, DO
NPI 1932421344 · Anesthesiology Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeff Kwok, DO is a Anesthesiology Physician provider in Ann Arbor, MI (NPI 1932421344).
Provider details
- NPI number
- 1932421344
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
136 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) |
|---|---|---|
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 48 | $66 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 30 | $179 |
| Injection of Anesthetic Agent And/Or Steroid Into Arm Nerve Bundle (brachial Plexus)64415 | 22 | $75 |
| Anesthesia for X-Ray Or Radiation Therapy01922 | 14 | $209 |
| Anesthesia for Other Procedure on Upper Abdomen00790 | 11 | $431 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 11 | $359 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-02-26
- Last updated
- 2022-12-20
- Certified
- 2022-12-20
Frequently asked questions
- What is Jeff Kwok's NPI number?
- Jeff Kwok's National Provider Identifier (NPI) is 1932421344, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeff Kwok's specialty?
- Jeff Kwok is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jeff Kwok located?
- Jeff Kwok's practice location on file with NPPES is 1500 E Medical Center Dr, Ann Arbor, MI 48109-5000.
- What is Jeff Kwok's phone number?
- The practice phone number listed in the NPPES registry for Jeff Kwok is (734) 936-4280.
- Does Jeff Kwok accept Medicare?
- Jeff Kwok is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeff Kwok's NPI active?
- Yes — Jeff Kwok's NPI (1932421344) is active in the NPPES registry as of the last update on 2022-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.