Zhong Ker, M.D.
NPI 1124255112 · Hospitalist Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zhong Ker, M.D. is a Hospitalist Physician provider in New Haven, CT (NPI 1124255112).
Provider details
- NPI number
- 1124255112
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD12993 (RI)
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 tenure28% of score
17 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
315 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 142 | $84 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 83 | $127 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 50 | $123 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 28 | $53 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 12 | $87 |
Typical Medicare-allowed amounts for these services range $53–$127 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-06-17
- Last updated
- 2014-03-14
Frequently asked questions
- What is Zhong Ker's NPI number?
- Zhong Ker's National Provider Identifier (NPI) is 1124255112, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zhong Ker's specialty?
- Zhong Ker is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Zhong Ker located?
- Zhong Ker's practice location on file with NPPES is 20 York Street, Cb-2041, New Haven, CT 06510-3220.
- What is Zhong Ker's phone number?
- The practice phone number listed in the NPPES registry for Zhong Ker is (203) 688-4748.
- Does Zhong Ker accept Medicare?
- Zhong Ker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zhong Ker's NPI active?
- Yes — Zhong Ker's NPI (1124255112) is active in the NPPES registry as of the last update on 2014-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.