James Ngo, MD
Specialist · Lancaster, CA
James Ngo, MD is a specialist with a practice address in Lancaster, California, and NPI 1790892354, issued on Aug 23, 2006. Check the license (California A94397, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James Ngo
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- A94397 CA
Self-reported in NPPES; status is on the state search - Practice location
- 44105 15TH St W Ste 304, Lancaster, CA 93534
- Phone
- (661) 949-5899
- Enumerated
- Aug 23, 2006
- Record last updated
- Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (661) 949-5832
- Medicaid ID
- 00A943970 CA
- Medicare enrollment
- Enrolled (PECOS I20090808000094); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Verify James Ngo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A94397Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average specialist in 2024
115 Medicare Part D claims for 44 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Estradiol29 claims
- Lisinopril12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $32.35
1 payment: food and beverage; the largest payer was Organon Llc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupPanorama City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Ngo among 5,749 specialist records in California
James Ngo, MD is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated2002 · median 1989 among the 1,075 with a school on file
- Record last updated2021 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Lancaster → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Javeed Ahmed, MDLancaster, CA 935341689627051
- Pradeep Damle, M.D.Lancaster, CA 935341770563116
- Wafaa Farid, MDLancaster, CA 935341811002082
- Sameh Gadallah, M.D.Lancaster, CA 935341205897535
- Emma Graber, M.D.Lancaster, CA 935341922057918
- Syed Hasan, MDLancaster, CA 935341528010998
- Pramod Kadambi, M.D.Lancaster, CA 935341114988441
- Dennis Latuno, M.D.Lancaster, CA 935341205841087
Common questions
What is James Ngo, MD's NPI number?
James Ngo, MD's National Provider Identifier (NPI) is 1790892354, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Ngo, MD located?
The NPPES record lists a practice address at 44105 15TH St W Ste 304, Lancaster, CA, 93534. Phone: (661) 949-5899. Providers update this record themselves, so call before visiting.
How can I verify James Ngo, MD's license?
NPPES lists California license number A94397, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does James Ngo, MD prescribe under Medicare Part D?
In 2024, James Ngo, MD had 115 Medicare Part D claims for 44 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.