Benjamin Keidan, MD
NPI 1316032584 · Internal Medicine Physician · Boulder, CO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Keidan, MD is a Internal Medicine Physician provider in Boulder, CO (NPI 1316032584).
Provider details
- NPI number
- 1316032584
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- DR.0043558 (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
86 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 | 62 | $87 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 24 | $48 |
Typical Medicare-allowed amounts for these services range $48–$87 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 66 | 19 |
| Lisinopril | 57 | 16 |
| Amlodipine Besylate | 43 | 15 |
| Losartan Potassium | 36 | 12 |
| Rosuvastatin Calcium | 36 | 12 |
| Omeprazole | 26 | — |
| Apixaban |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-04
- Last updated
- 2019-05-10
Frequently asked questions
- What is Benjamin Keidan's NPI number?
- Benjamin Keidan's National Provider Identifier (NPI) is 1316032584, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Keidan's specialty?
- Benjamin Keidan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Benjamin Keidan located?
- Benjamin Keidan's practice location on file with NPPES is 5495 Arapahoe Ave Ste 100, Boulder, CO 80303-1224.
- What is Benjamin Keidan's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Keidan is (303) 415-4250.
- Does Benjamin Keidan accept Medicare?
- Benjamin Keidan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Keidan's NPI active?
- Yes — Benjamin Keidan's NPI (1316032584) is active in the NPPES registry as of the last update on 2019-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.