ALEJANDRO ALVAREZ MD – NPI #1508846304
Internal Medicine

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.

Health Care Provider Taxonomy Code for Internal Medicine

ALEJANDRO ALVAREZ is a physician located in FLORISSANT, MO. NPPES has assigned the NPI number 1508846304 to ALEJANDRO ALVAREZ on January 18, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. According to the NPI Registry, there are 2 additional location(s) assigned to this provider which are listed below. The primary taxonomy selected by this provider is 207RN0300X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Nephrology

The NPI profile was last updated on Aug 13, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for ALEJANDRO ALVAREZ below.

NPI Profile for
ALEJANDRO ALVAREZ

NPI Number
1508846304
Enumeration Date

(more than 20 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
ALEJANDRO ALVAREZ
Credentials
MD
Primary location
201 DUNN RD
FLORISSANT, MO 63031-7928
Phone: (314) 830-3841 Fax:
2 Other location(s):
1011 Bowles Ave Ste 220
Fenton, MO 63026-2384
Phone: (636) 681-3030
Fax: (636) 326-1545
450 N New Ballas Rd Ste 204
Saint Louis, MO 63141-6836
Phone: (314) 991-0137
Fax: (314) 991-0603
Mailing address
PO BOX 417668
BOSTON, MA 02241-7668
Phone: (610) 644-8900 Fax: (484) 924-0053
Sole Proprietor
No
Updated
Certification Date
Aug 13, 2025

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Identifiers

Identifiers for ALEJANDRO ALVAREZ

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
medicaidMO205959406
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RN0300X
- Internal Medicine / Nephrology (Primary)		 MO 2002011236

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Additional Information

Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
ALEJANDRO ALVAREZ is affiliated with the following medical group(s):
  • HOSPITAL
    • MISSOURI BAPTIST MEDICAL CENTER
      3015 N BALLAS RD
      TOWN AND COUNTRY, MO 63131
    • SSM HEALTH ST MARY'S HOSPITAL - ST LOUIS
      6420 CLAYTON RD
      RICHMOND HEIGHTS, MO 63117
    • SSM ST CLARE HEALTH CENTER
      1015 BOWLES
      FENTON, MO 63026
  • DIALYSIS FACILITY
    • DAVITA NATURAL BRIDGE DIALYSIS
      8980 Natural Bridge Rd
      SAINT LOUIS, MO 63121
    • DAVITA WESTFALL DIALYSIS
      8029 W FLORISSANT AVE
      JENNINGS, MO 63136

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.