Mark Winslow, DO
NPI 1598790198 · Family Medicine Physician · Denver, CO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Winslow, DO is a Family Medicine Physician provider in Denver, CO (NPI 1598790198).
Provider details
- NPI number
- 1598790198
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 34745 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
312 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 176 | $129 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 57 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 35 | $92 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 19 | $19 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 13 | $14 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 61 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 184 | 53 |
| Levothyroxine Sodium | 121 | 32 |
| Losartan Potassium | 93 | 31 |
| Amlodipine Besylate | 85 | 30 |
| Lisinopril | 83 | 27 |
| Rosuvastatin Calcium | 79 | 26 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-11
- Last updated
- 2022-08-23
- Certified
- 2022-08-23
Frequently asked questions
- What is Mark Winslow's NPI number?
- Mark Winslow's National Provider Identifier (NPI) is 1598790198, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Winslow's specialty?
- Mark Winslow is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Winslow located?
- Mark Winslow's practice location on file with NPPES is 8158 E 5th Ave Ste 220, Denver, CO 80230-7306.
- What is Mark Winslow's phone number?
- The practice phone number listed in the NPPES registry for Mark Winslow is (303) 856-3568.
- Does Mark Winslow accept Medicare?
- Mark Winslow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Winslow's NPI active?
- Yes — Mark Winslow's NPI (1598790198) is active in the NPPES registry as of the last update on 2022-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.