Rosemary Greenslade, M.D.
NPI 1134245319 · Adult Medicine Physician · Boulder, CO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rosemary Greenslade, M.D. is a Adult Medicine Physician provider in Boulder, CO (NPI 1134245319).
Provider details
- NPI number
- 1134245319
- Entity type
- Individual
- Primary specialty
- Adult Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 34314 (CO)
Specialties & taxonomies
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
523 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 271 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 121 | $129 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 41 | $108 |
| Urinalysis, Manual Test81002 | 40 | $3 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 | 22 | $16 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 15 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 34 | 34 |
| Cephalexin | 28 | 26 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 21 | 21 |
| Methylprednisolone | 19 | 18 |
| Mupirocin | 19 | 19 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 16 | 15 |
| Ciprofloxacin Hcl | 15 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-21
- Last updated
- 2025-03-10
- Certified
- 2025-03-10
Frequently asked questions
- What is Rosemary Greenslade's NPI number?
- Rosemary Greenslade's National Provider Identifier (NPI) is 1134245319, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rosemary Greenslade's specialty?
- Rosemary Greenslade is listed in the NPPES registry with a primary specialty of Adult Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rosemary Greenslade located?
- Rosemary Greenslade's practice location on file with NPPES is 2750 Broadway St, Boulder, CO 80304-3586.
- What is Rosemary Greenslade's phone number?
- The practice phone number listed in the NPPES registry for Rosemary Greenslade is (303) 440-3200.
- Does Rosemary Greenslade accept Medicare?
- Rosemary Greenslade is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rosemary Greenslade's NPI active?
- Yes — Rosemary Greenslade's NPI (1134245319) is active in the NPPES registry as of the last update on 2025-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.