Dr. Mark Mcdowall, PH.D.

Dr. Mark Mcdowall is a Audiologist provider (Audiologist) practicing in Ponce, PR, registered in the NPPES registry with NPI 1205834504 since 2005. The credential PHD stands for Doctor of Philosophy. Practices at Audiology Clinics of Puerto Rico, Csp (listed at the same practice address in NPPES).

✓ Active NPI ✓ Valid NPI checksum

NPI	1205834504
Entity type	Individual (Type 1)
Name	Dr. Mark Mcdowall
Credential	PH.D.
Sex	Male
Practice address	2225 PONCE BYP STE 406, Ponce, PR, 00717
Phone	7878448595
Fax	7878488179
Enumeration date	2005-07-11
Last updated in NPPES	2007-07-08

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
231H00000X	Audiologist	Primary	000128	PR

PHD — Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

Copy-ready billing details

Provider: Mark Mcdowall, PH.D.
NPI: 1205834504
Taxonomy: 231H00000X (Audiologist)
Address: 2225 PONCE BYP STE 406, Ponce, PR, 00717

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1184755472	Audiology Clinics of Puerto Rico, Csp	Organization	Hearing and Speech Clinic/Center	Ponce, PR

Verify this record

Cross-check NPI 1205834504 against the authoritative CMS record: view Dr. Mark Mcdowall 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 Mark Mcdowall?

The National Provider Identifier (NPI) for Mark Mcdowall is 1205834504, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Mcdowall practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.