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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

RODOLFO MACEREN MD
NPI 1447201868
Anesthesiology in Crystal City, MO

Active since May 12, 2006
HWY 61S AT HWY 67, CRYSTAL CITY, MO 63019(636) 933-1000 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Mar 7, 2023 (2 updates tracked since 2023).

About Rodolfo Maceren Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RODOLFO MACEREN MD (NPI 1447201868) is an individual anesthesiology provider in Crystal City, Missouri, licensed in Missouri (R6445) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1447201868
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameRODOLFO MACERENCredential: MD
Location AddressHWY 61S AT HWY 67Crystal City, MO 63019
Mailing Address2 Howe XingFestus, MO 63028-4044 · (636) 933-1000
Phone(636) 933-1000
Sole ProprietorNo
Enumeration DateMay 12, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1447201868 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in MO · R6445
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
HWY 61S AT HWY 67, Crystal City, MO 63019
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Other Identifiers 1

Other24219MO · Cds

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

WILLIAM L UNDERWOOD MD
Anesthesiology
HWY 61S AT HWY 67
CRYSTAL CITY, MO 63019
Jefferson County (636) 933-1000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Rodolfo Maceren's NPI number?

The NPI number for Rodolfo Maceren is 1447201868. It was assigned to this individual provider in the NPPES registry on May 12, 2006.

Where is Rodolfo Maceren located?

Rodolfo Maceren practices at Hwy 61S At Hwy 67, Crystal City, MO 63019. The listed phone number is (636) 933-1000.

What is Rodolfo Maceren's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

When was this NPI record last updated?

The NPPES record for Rodolfo Maceren was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.