Mark Christensen, MD
NPI 1588944516 · Family Medicine Physician · Castle Pines, CO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Christensen, MD is a Family Medicine Physician provider in Castle Pines, CO (NPI 1588944516).
Provider details
- NPI number
- 1588944516
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A115152 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
494 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 205 | $128 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 122 | $130 |
| Administration of Influenza Virus VaccineG0008 | 35 | $33 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 26 | $92 |
| Administration of Pneumococcal VaccineG0009 | 23 | $33 |
| Hemoglobin A1c Level83036 | 22 | $10 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 88 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 488 | 148 |
| Levothyroxine Sodium | 255 | 78 |
| Amlodipine Besylate | 194 | 57 |
| Losartan Potassium | 158 | 42 |
| Tamsulosin Hcl | 158 | 49 |
| Lisinopril | 144 | 51 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,316 across 61 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
Additional practice locations (1)
- 7280 Lagae Rd Ste ICastle Pines, CO 80108-9454Phone: (303) 814-0505Fax: (720) 638-3402
Registry dates
- Enumerated
- 2011-08-22
- Last updated
- 2023-08-23
- Certified
- 2023-08-23
Frequently asked questions
- What is Mark Christensen's NPI number?
- Mark Christensen's National Provider Identifier (NPI) is 1588944516, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Christensen's specialty?
- Mark Christensen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Christensen located?
- Mark Christensen's practice location on file with NPPES is 7280 Lagae Rd Ste J, Castle Pines, CO 80108-9454.
- What is Mark Christensen's phone number?
- The practice phone number listed in the NPPES registry for Mark Christensen is (303) 814-0505.
- Does Mark Christensen accept Medicare?
- Mark Christensen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Christensen's NPI active?
- Yes — Mark Christensen's NPI (1588944516) is active in the NPPES registry as of the last update on 2023-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.