Mark Ptaskiewicz, MD
NPI 1043347099 · Internal Medicine Physician · Westminster, CO
Mark Ptaskiewicz, MD is a Internal Medicine Physician provider in Westminster, CO (NPI 1043347099).
Provider details
- NPI number
- 1043347099
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 36000 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 141 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,011 | 287 |
| Lisinopril | 610 | 190 |
| Rosuvastatin Calcium | 497 | 166 |
| Levothyroxine Sodium | 469 | 136 |
| Tamsulosin Hcl | 427 | 139 |
| Omeprazole | 419 | 149 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-27
- Last updated
- 2021-04-02
- Certified
- 2021-04-02
Frequently asked questions
- What is Mark Ptaskiewicz's NPI number?
- Mark Ptaskiewicz's National Provider Identifier (NPI) is 1043347099, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Ptaskiewicz's specialty?
- Mark Ptaskiewicz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Ptaskiewicz located?
- Mark Ptaskiewicz's practice location on file with NPPES is 7701 Sheridan Blvd, Westminster, CO 80003-2605.
- What is Mark Ptaskiewicz's phone number?
- The practice phone number listed in the NPPES registry for Mark Ptaskiewicz is (303) 338-4545.
- Is Mark Ptaskiewicz's NPI active?
- Yes — Mark Ptaskiewicz's NPI (1043347099) is active in the NPPES registry as of the last update on 2021-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.