Alexander S Croog, M.D.

Alexander S Croog is a Surgery of the Hand (Surgery) Physician provider (Surgery) practicing in Mc Lean, VA, registered in the NPPES registry with NPI 1376571372 since 2006. The credential MD stands for Doctor of Medicine.

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NPI	1376571372
Entity type	Individual (Type 1)
Name	Alexander S Croog
Credential	M.D.
Sex	Male
Practice address	8180 GREENSBORO DR, STE 300, Mc Lean, VA, 22102
Phone	7038105217
Fax	7038105423
Enumeration date	2006-06-29
Last updated in NPPES	2017-03-02

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
207X00000X	Orthopaedic Surgery Physician	Secondary	0101241352	VA
207XS0106X	Orthopaedic Hand Surgery Physician	Secondary	0101241352	VA
2086S0105X	Surgery of the Hand (Surgery) Physician	Primary	0101241352	VA

MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Copy-ready billing details

Provider: Alexander Croog, M.D.
NPI: 1376571372
Taxonomy: 2086S0105X (Surgery of the Hand (Surgery) Physician)
Address: 8180 GREENSBORO DR, STE 300, Mc Lean, VA, 22102

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1942273594	Christine Coetzee	Individual	Physician Assistant	Mc Lean, VA
1558390427	Lawrence Markovitz	Individual	Specialist	Mc Lean, VA
1003834078	Brantley Vitek	Individual	Orthopaedic Surgery Physician	Mc Lean, VA
1134147101	Herbert Lane	Individual	Orthopaedic Surgery Physician	Mc Lean, VA
1154343986	Ronald Childs	Individual	Orthopaedic Surgery Physician	Mc Lean, VA
1659394625	Suzanne Casana	Individual	Nurse Practitioner	Mc Lean, VA
1386650059	Northern Virginia Center for Facial Plastic Surgery PC	Organization	Facial Plastic Surgery Physician	Mclean, VA
1124122775	Lorie Logan	Individual	Optometrist	Mclean, VA

Verify this record

Cross-check NPI 1376571372 against the authoritative CMS record: view Alexander S Croog on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for Alexander Croog?

The National Provider Identifier (NPI) for Alexander Croog is 1376571372, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alexander Croog practice?

The practice location on file with NPPES is in Mc Lean, VA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2017-03-02.