John Klein, MD
NPI 1184899650 · Urology Physician · Woodbridge, VA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Klein, MD is a Urology Physician provider in Woodbridge, VA (NPI 1184899650).
Provider details
- NPI number
- 1184899650
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101249642 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,776 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 | 920 | $131 |
| 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 | 827 | $17 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 435 | $12 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 322 | $69 |
| Detection Test By Nucleic Acid for Organism, Amplified Probe Technique87798 | 273 | $34 |
| Electronic Assessment of Bladder Emptying |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 345 | 150 |
| Finasteride | 76 | 31 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 75 | 26 |
| Solifenacin Succinate | 68 | 26 |
| Trospium Chloride | 66 | 33 |
| Methenamine Hippurate | 35 | 14 |
| Oxycodone Hcl | 22 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$404 across 8 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
Registry dates
- Enumerated
- 2008-04-25
- Last updated
- 2015-10-01
Frequently asked questions
- What is John Klein's NPI number?
- John Klein's National Provider Identifier (NPI) is 1184899650, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Klein's specialty?
- John Klein is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is John Klein located?
- John Klein's practice location on file with NPPES is 2296 Opitz Blvd, Woodbridge, VA 22191-3300.
- What is John Klein's phone number?
- The practice phone number listed in the NPPES registry for John Klein is (703) 680-2111.
- Does John Klein accept Medicare?
- John Klein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Klein's NPI active?
- Yes — John Klein's NPI (1184899650) is active in the NPPES registry as of the last update on 2015-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.