Duke a Phan MD Neurology INC

Duke a Phan MD Neurology INC was paid $126K by Medicaid between Jan 2018 and Nov 2024, across 7 billing codes. Its largest line is 99205, Prolong outpt/office vis — 57% of everything it billed.

33Billing provider infoDUKE A PHAN MD NEUROLOGY INC
FOUNTAIN VALLEY, CA 92708

33aNPI1982698767assigned 09/07/2005

33bProvider typeNeurology Physician

28Total paid$126K

24GClaims1,527

24DCodes billed7

24AFirst – last monthJan 2018 – Nov 2024

Compared with peers

Next to other Neurology Physician providers in California

Rank by total paid#114 of 296

Median peer was paid$50K

This provider vs. median2.5×

Peers share this provider's primary NPPES type and state. Size alone says nothing about billing quality: a big agency or a hospital system is expected to sit far above the median.

Box 24A · Dates of service

Paid by month

Paid that monthNov–Dec 2024: claims still arriving when the file was cut, so these months run low for every provider

By year, as a table

Year	Claims	Paid
2018	497	$30K
2019	107	$7K
2020	113	$9K
2021	363	$34K
2022	276	$29K
2023	92	$12K
2024incomplete	79	$5K

Box 24 · Service lines

What it billed for

Code	Service	Share	Claims	Bene. records	Paid
99205	Prolong outpt/office vis	57%	610	610	$72K
99214	Doctor's office visit, returning patient (more involved)Office or other outpatient visit for the evaluation and management of an established patient, moderate complexity	37%	612	611	$47K
99215	Doctor's office visit, returning patient (complex)Prolong outpt/office vis	3.7%	240	240	$5K
95886		1.1%	16	16	$1K
99232	Hospital visit by a doctor, follow-up daySubsequent hospital care, per day, moderate complexity	<1%	25	12	$614.71
99356		<1%	12	12	$175.97
99223	Prolong inpt eval add15 m	<1%	12	12	$80.49

Claims and beneficiary counts add up across code × month rows, so one patient seen every month counts many times. Rows with fewer than 12 claims are suppressed by HHS, so small lines can be missing.

From NPPES

Who's on the registration

Authorized officialSEGOVIA DIAZ, CORINA (AUTHORIZED OFFICIAL)