Doctor profile · Federal record

Dr. Ha Nguyen, M.D.

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Anatomic Pathology & Clinical Pathology Physician · Oakland, CA

  • NPI 1811309586
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
275 W Macarthur Blvd
Oakland, CA 946115641
(571) 449-6688
Additional location
1414 Kuhl Ave
Orlando, FL 328062008
(321) 841-8933
fax (321) 843-6219
Mailing address
5107 Hawthorne Springs Ln
Sugar Land, TX 774794671

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Profile last updated
June 20, 2024
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State licenses (2)
California #A152143 · Florida #20294

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811309586. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,705
Distinct HCPCS
10
Medicare allowed
$50,518
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 554 208 $34
88341 Special stained specimen slides to examine tissue, each additional procedure 502 87 $26
88342 Special stained specimen slides to examine tissue, initial procedure 226 142 $32
88313 Special stained specimen slides to examine tissue including interpretation and report 156 43 $11
88312 Special stained specimen slides to identify organisms including interpretation and report 57 24 $24
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers 51 49 $77
88311 Preparation of tissue for examination by removing any calcium present 46 44 $11
85097 Bone marrow, smear interpretation 38 38 $45
85060 Blood smear interpretation by physician with written report 23 22 $22
88112 Cell examination of specimen, selective cellular enhancement technique 23 21 $25

In context: peer comparison

Among 3 peers in Oakland Anatomic Pathology & Clinical Pathology Physician, average services per provider: 124. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$23
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $23.38

By nature of payment

Food and Beverage
$23

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ha Nguyen's medical specialty?
Dr. Ha Nguyen practices Anatomic Pathology & Clinical Pathology Physician in Oakland, CA.
Where does Dr. Ha Nguyen practice?
Dr. Ha Nguyen practices at 275 W Macarthur Blvd, Oakland, CA 946115641. Office phone: 5714496688.
What is Dr. Ha Nguyen's NPI?
Dr. Ha Nguyen's National Provider Identifier (NPI) is 1811309586, issued by NPPES.
Does Dr. Ha Nguyen accept Medicare assignment?
Yes. Dr. Ha Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ha Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342). Source: CMS Medicare Physician & Other Practitioners file.