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Dennis Mao, MD
NPI 1952331977 · Emergency Medicine Physician · Suffern, NY
Dennis Mao, MD is a Emergency Medicine Physician provider in Suffern, NY (NPI 1952331977).
Provider details
- NPI number
- 1952331977
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2005521 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
255 Lafayette Ave
Suffern, NY 10901-4812
Phone: (845) 368-4800
Fax: (845) 369-1697
Street-level locationGet directions
Mailing address
20 Grand St
Warwick, NY 10990-1035
Registry dates
- Enumerated
- 2006-07-04
- Last updated
- 2016-12-05
Frequently asked questions
- What is Dennis Mao's NPI number?
- Dennis Mao's National Provider Identifier (NPI) is 1952331977, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Mao's specialty?
- Dennis Mao is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Mao located?
- Dennis Mao's practice location on file with NPPES is 255 Lafayette Ave, Suffern, NY 10901-4812.
- What is Dennis Mao's phone number?
- The practice phone number listed in the NPPES registry for Dennis Mao is (845) 368-4800.
- Is Dennis Mao's NPI active?
- Yes — Dennis Mao's NPI (1952331977) is active in the NPPES registry as of the last update on 2016-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.