Mark Sivieri, M.D.
NPI 1992701742 · Family Medicine Physician · Columbia, MD
Mark Sivieri, M.D. is a Family Medicine Physician provider in Columbia, MD (NPI 1992701742).
Provider details
- NPI number
- 1992701742
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0061704 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 115 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 272 | 72 |
| Valacyclovir Hclbrand: Valacyclovir | 122 | 45 |
| Progesterone, Micronizedbrand: Progesterone | 113 | 30 |
| Thyroid,porkbrand: Armour Thyroid | 107 | 30 |
| Nystatin | 105 | 44 |
| Gabapentin | 105 | 31 |
| Famotidine | 103 | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$297 across 16 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-27
- Last updated
- 2011-05-23
Frequently asked questions
- What is Mark Sivieri's NPI number?
- Mark Sivieri's National Provider Identifier (NPI) is 1992701742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Sivieri's specialty?
- Mark Sivieri is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Sivieri located?
- Mark Sivieri's practice location on file with NPPES is 10005 Old Columbia Rd Ste P170, Columbia, MD 21046-1727.
- What is Mark Sivieri's phone number?
- The practice phone number listed in the NPPES registry for Mark Sivieri is (410) 312-5280.
- Is Mark Sivieri's NPI active?
- Yes — Mark Sivieri's NPI (1992701742) is active in the NPPES registry as of the last update on 2011-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.