GARY BEHRENS (M.D.) – Critical Care Medicine (Internal Medicine) Physician, NPI 1225001951

Critical Care Medicine (Internal Medicine) Physician

GARY BEHRENS (M.D.) is a healthcare provider. based in Saint louis, Missouri. specializing in Critical Care Medicine (Internal Medicine) Physician. They hold the professional credentials M.D.. They hold a License No. R3H15 (MO). The NPI Number for GARY BEHRENS (M.D.) is 1225001951

Main info

Male

42 Years Of Experience

Accepts Medicare Assignment

Name

GARY BEHRENS (M.D.)

NPI

1225001951

Phone

(314) 514-6000

Address

999 EXECUTIVE PARKWAY DR

Enumeration Date

13 February 2006

Last Update Date

28 June 2011

Doctor Profile

Medical School Name

SAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE

Secondary Phone

6369475000

Graduation Year

1984 (42 years ago)

PAC ID

3476502592

Group Practice PAC ID

7810800737

Professional Enrollment ID

I20050115000050

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience54

Completeness75

Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for GARY BEHRENS (M.D.)

999, Executive Parkway Drive, Fernridge, Creve Coeur, Saint Louis County, Missouri, 63141, United States
SUITE 210
SAINT LOUIS, MO 631416336
Phone: (314) 514-6000
Fax: (314) 514-6020
Type: Mailing
Paul Mayer Avenue, Bridgeton, Saint Louis County, Missouri, 63044, United States
BRIDGETON, MO 630442512
Phone: (314) 344-6000
Fax: (314) 514-6020
Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

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Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 63141)

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Provider's Procedures

GARY BEHRENS (M.D.) performs procedures in Critical Care Medicine (Internal Medicine) Physician. See the list of HCPCS codes below.

Specialty	Practice State	HCPCS Code	Description	Service Count	Beneficiary Count
CRITICAL CARE (INTENSIVISTS)	MO	36556	Insertion of central venous catheter for infusion, patient 5 years or older	25	25

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.

PAC ID: 7810800737View full group profile

Name	Specialty	State
CORA ANN SNYDERS (RN FNP-BC)	Nurse Practitioner	MO
DR. DANIEL RALPH BERG (MD)	Internal Medicine	MO
PRADEEP KAPOOR (M.D.)	-	MO
DR. MICHELE A WOOD (D.O.)	N E U R O L O G Y	MO
BRENDAN ALLEYNE (MD)	Plastic And Reconstructive Surgery	OH
DR. JOSEPH F KRAS (MD)	A N E S T H E S I O L O G Y	MO
DR. YELENA PODOROZHANSKY (M.D.)	-	MO
JULIE BETH CHWARCZINSKI (ANP-C)	-	MO
CECELIA PRATT (FNP-C)	Nurse Practitioner	MO
STANLEY I BIEL (M.D.)	-	MO

Reviews

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Frequently asked questions

Can I cross-check GARY BEHRENS (M.D.) using NPI 1225001951?

NPI 1225001951 belongs to GARY BEHRENS (M.D.); compare other details if you need extra assurance.

Is GARY BEHRENS (M.D.) still an active registrant?

GARY BEHRENS (M.D.) carries an active NPI according to the public dataset.

What area of care is associated with GARY BEHRENS (M.D.)?

GARY BEHRENS (M.D.)'s record emphasizes Critical Care Medicine (Internal Medicine) Physician. Clinical services aligned with this taxonomy classification.

Is GARY BEHRENS (M.D.) located near Saint Louis?

GARY BEHRENS (M.D.) currently maps to Saint Louis, Missouri in this extract.

Does inactive status remove historical data?

Historical rows can remain visible after status changes — read the dates carefully.