Timothy Nguyen, D.O.
NPI 1144607557 · Family Medicine Physician · Elk Grove, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Nguyen, D.O. is a Family Medicine Physician provider in Elk Grove, CA (NPI 1144607557).
Provider details
- NPI number
- 1144607557
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
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 tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 81 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 283 | 114 |
| Losartan Potassium | 168 | 62 |
| Amlodipine Besylate | 165 | 72 |
| Lisinopril | 161 | 53 |
| Levothyroxine Sodium | 132 | 48 |
| Hydrochlorothiazide | 113 | 44 |
| Albuterol Sulfate |
Practice location
Mailing address
Additional practice locations (1)
- 3269 N Stockton Hill RdKingman, AZ 86409-3619Phone: (928) 681-8701
Registry dates
- Enumerated
- 2015-05-05
- Last updated
- 2021-12-20
- Certified
- 2021-01-31
Frequently asked questions
- What is Timothy Nguyen's NPI number?
- Timothy Nguyen's National Provider Identifier (NPI) is 1144607557, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Nguyen's specialty?
- Timothy Nguyen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Nguyen located?
- Timothy Nguyen's practice location on file with NPPES is 9201 Big Horn Blvd, Elk Grove, CA 95758-1240.
- What is Timothy Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Timothy Nguyen is (916) 478-5000.
- Does Timothy Nguyen accept Medicare?
- Timothy Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Nguyen's NPI active?
- Yes — Timothy Nguyen's NPI (1144607557) is active in the NPPES registry as of the last update on 2021-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.