Doctor profile · Federal record

Dr. Dennis Ha, MD

Internal Medicine Physician (CMS: Internal Medicine) · San Leandro, CA

  • NPI 1922460617
  • Accepts Medicare
  • MIPS 83.9 / 100 · 2023
  • 10 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
13855 E 14Th St
San Leandro, CA 945782611
(530) 567-6500
fax (510) 667-4572

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
September 30, 2019
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A151317

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922460617. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
597
Distinct HCPCS
8
Medicare allowed
$81,754
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 270 115 $135
99239 Hospital discharge day management, more than 30 minutes 100 94 $132
99285 Emergency department visit with high level of medical decision making 83 78 $189
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 79 43 $90
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 27 27 $147
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 14 14 $197
99284 Emergency department visit with moderate level of medical decision making 13 13 $131
99238 Hospital discharge day management, 30 minutes or less 11 11 $93

In context: peer comparison

Among 15 peers in San Leandro Internal Medicine Physician, average services per provider: 94. This provider delivers 6.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
91
Patients
78
Total drug cost
$608
Drug Type Claims Patients Total cost
Furosemide Generic 17 17 $54
Prednisone Generic 15 15 $45
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 13 $119
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 12 11 $95
Metoprolol Tartrate Generic 12 0 $59
Atorvastatin Calcium Generic 11 11 $161
Carvedilol Generic 11 11 $75

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Dennis Ha's medical specialty?
Dr. Dennis Ha practices Internal Medicine Physician in San Leandro, CA.
Where does Dr. Dennis Ha practice?
Dr. Dennis Ha practices at 13855 E 14Th St, San Leandro, CA 945782611. Office phone: 5305676500.
What is Dr. Dennis Ha's NPI?
Dr. Dennis Ha's National Provider Identifier (NPI) is 1922460617, issued by NPPES.
Does Dr. Dennis Ha accept Medicare assignment?
Yes. Dr. Dennis Ha accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dennis Ha commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.