Douglas Keim, MD
NPI 1356303051 · Internal Medicine Physician · Winchester, VA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Keim, MD is a Internal Medicine Physician provider in Winchester, VA (NPI 1356303051).
Provider details
- NPI number
- 1356303051
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101053622 (VA)
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
20 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
7,250 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 975 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 699 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 660 | $121 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 639 | $13 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 460 | $16 |
| Annual, Face-To-Face Intensive Behavioral Therapy for Cardiovascular Disease, Individual, 15 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 103 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 592 | 154 |
| Atorvastatin Calcium | 484 | 130 |
| Lisinopril | 343 | 93 |
| Levothyroxine Sodium | 342 | 77 |
| Omeprazole | 304 | 76 |
| Metformin Hcl | 249 | 65 |
| Hydrochlorothiazide | 205 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-06
- Last updated
- 2021-03-03
- Certified
- 2021-03-03
Frequently asked questions
- What is Douglas Keim's NPI number?
- Douglas Keim's National Provider Identifier (NPI) is 1356303051, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Keim's specialty?
- Douglas Keim is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Keim located?
- Douglas Keim's practice location on file with NPPES is 190 Campus Blvd, Winchester, VA 22601-2872.
- What is Douglas Keim's phone number?
- The practice phone number listed in the NPPES registry for Douglas Keim is (540) 662-6135.
- Does Douglas Keim accept Medicare?
- Douglas Keim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Keim's NPI active?
- Yes — Douglas Keim's NPI (1356303051) is active in the NPPES registry as of the last update on 2021-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.