Doctor profile · Federal record

Dr. Hasib Danai, D.O

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Castro Valley, CA

  • NPI 1396058418
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
20103 Lake Chabot RD
Castro Valley, CA 945465305
(510) 727-3256
Additional location
240 Meeting House Ln, Southampton Hospital
Southampton, NY 119685009
(510) 861-9966
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
July 2010 — 16 yrs on file
Profile last updated
January 24, 2022
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #20A10976

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396058418. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
742
Distinct HCPCS
4
Medicare allowed
$107,607
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 439 213 $135
99239 Hospital discharge day management, more than 30 minutes 161 158 $132
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 131 129 $196
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 11 11 $147

In context: peer comparison

Among 15 peers in this city , average services per provider: 130. This provider delivers 5.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$187
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
iRhythm Technologies, Inc. 1 $186.73

By nature of payment

Food and Beverage
$187

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
59
Patients
47
Total drug cost
$406
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 22 22 $156
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 13 $84
Atorvastatin Calcium Generic 12 12 $55
Pantoprazole Sodium Generic 12 0 $111

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hasib Danai's medical specialty?
Dr. Hasib Danai practices Hospitalist Physician in Castro Valley, CA.
Where does Dr. Hasib Danai practice?
Dr. Hasib Danai practices at 20103 Lake Chabot RD, Castro Valley, CA 945465305. Office phone: 5107273256.
What is Dr. Hasib Danai's NPI?
Dr. Hasib Danai's National Provider Identifier (NPI) is 1396058418, issued by NPPES.
Does Dr. Hasib Danai accept Medicare assignment?
Yes. Dr. Hasib Danai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hasib Danai 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); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.