Michael Greelis, PH.D.
NPI 1356525661 · Professional Counselor · Herndon, VA
Michael Greelis, PH.D. is a Professional Counselor provider in Herndon, VA (NPI 1356525661).
Provider details
- NPI number
- 1356525661
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0701002348 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
Mailing address
Registry dates
- Enumerated
- 2007-12-21
- Last updated
- 2014-10-06
Frequently asked questions
- What is Michael Greelis's NPI number?
- Michael Greelis's National Provider Identifier (NPI) is 1356525661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Greelis's specialty?
- Michael Greelis is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Michael Greelis located?
- Michael Greelis's practice location on file with NPPES is 487 Carlisle Dr Ste B, Herndon, VA 20170-4899.
- What is Michael Greelis's phone number?
- The practice phone number listed in the NPPES registry for Michael Greelis is (703) 435-7251.
- Is Michael Greelis's NPI active?
- Yes — Michael Greelis's NPI (1356525661) is active in the NPPES registry as of the last update on 2014-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.