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Mark Greiner, L.AC.
NPI 1295366839 · Acupuncturist · Columbia, MD
Mark Greiner, L.AC. is a Acupuncturist provider in Columbia, MD (NPI 1295366839).
Provider details
- NPI number
- 1295366839
- Entity type
- Individual
- Primary specialty
- AcupuncturistOther Service Providers
- Credential
- L.AC.
- Sex
- Male
- Sole proprietor
- Yes
- License
- U02710 (MD)
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(65/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
7130 Minstrel Way Ste 160
Columbia, MD 21045-5336
Phone: (410) 312-9922
Street-level locationGet directions
Mailing address
7603 Central Ave
Takoma Park, MD 20912-6446
Registry dates
- Enumerated
- 2020-02-03
- Last updated
- 2020-02-03
- Certified
- 2020-02-03
Frequently asked questions
- What is Mark Greiner's NPI number?
- Mark Greiner's National Provider Identifier (NPI) is 1295366839, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Greiner's specialty?
- Mark Greiner is listed in the NPPES registry with a primary specialty of Acupuncturist (Other Service Providers).
- Where is Mark Greiner located?
- Mark Greiner's practice location on file with NPPES is 7130 Minstrel Way Ste 160, Columbia, MD 21045-5336.
- What is Mark Greiner's phone number?
- The practice phone number listed in the NPPES registry for Mark Greiner is (410) 312-9922.
- Is Mark Greiner's NPI active?
- Yes — Mark Greiner's NPI (1295366839) is active in the NPPES registry as of the last update on 2020-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.