Mark Chu, M.D.
NPI 1528036423 · Family Medicine Physician · Ogallala, NE
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Chu, M.D. is a Family Medicine Physician provider in Ogallala, NE (NPI 1528036423).
Provider details
- NPI number
- 1528036423
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 21559 (NE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 15 | — |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 14 | 14 |
| Azithromycin | 14 | 14 |
| Lisinopril | 14 | — |
| Methylprednisolone | 14 | 14 |
| Cyclobenzaprine Hcl | 13 | 13 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-08
- Last updated
- 2008-09-08
Frequently asked questions
- What is Mark Chu's NPI number?
- Mark Chu's National Provider Identifier (NPI) is 1528036423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Chu's specialty?
- Mark Chu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Chu located?
- Mark Chu's practice location on file with NPPES is 333 East 2nd Street, Ogallala, NE 69153-3421.
- What is Mark Chu's phone number?
- The practice phone number listed in the NPPES registry for Mark Chu is (308) 284-9838.
- Does Mark Chu accept Medicare?
- Mark Chu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Chu's NPI active?
- Yes — Mark Chu's NPI (1528036423) is active in the NPPES registry as of the last update on 2008-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.