ANUM HAMIDUZZAMAN M.D. NPI 1649681495

NPI Information

NPI: 1649681495
Provider Name: ANUM HAMIDUZZAMAN, M.D.
Classification: Internal Medicine - 207RN0300X
Specialization: Nephrology
Entity Type: Individual
PECOS Registration: Yes
Address: 101 THE CITY DR S
ORANGE, CA
ZIP 92868
Phone: (714) 456-8888

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NPI Details

Anum Hamiduzzaman, M.D. is a nephrology internal medicine in Orange, CA with 12 years of experience. The provider is an internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation. Anum Hamiduzzaman, M.D. NPI is 1649681495. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a female.

The provider's business location address is:

101 THE CITY DR S
ORANGE, CA
ZIP 92868-201
Phone: (714) 456-8888

The NPI 1649681495 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

Follow-up hospital inpatient care per day, typically 25 minutes (HCPCS:99232)
Hospital discharge day management, more than 30 minutes (HCPCS:99239)

The enumeration date for this NPI number is 5/14/2014 and was last updated on 11/21/2025.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No.	Taxonomy Code	Taxonomy Clasification	Taxonomy Specialization	License Number	License State	Primary
1	207RC0200X	Internal Medicine	Critical Care Medicine	A149418	CALIFORNIA	No
2	207R00000X	Internal Medicine		A149418	CALIFORNIA	No
3	207RP1001X	Internal Medicine	Pulmonary Disease	A149418	CALIFORNIA	No
4	208M00000X	Hospitalist		A149418	CALIFORNIA	No
5	207RN0300X	Internal Medicine	Nephrology	A149418	CALIFORNIA	Yes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No.	Other Provider Identifier	Other Provider Identifier Type	Other Provider Identifier State	Other Provider Identifier Issuer
1	AH3232267556	MEDICAID	CALIFORNIA

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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