Stephen Katz, MD
NPI 1255486775 · Internal Medicine Physician · Severna Park, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Katz, MD is a Internal Medicine Physician provider in Severna Park, MD (NPI 1255486775).
Provider details
- NPI number
- 1255486775
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D38687 (MD)
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
644 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 | 277 | $126 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 152 | $90 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 84 | $14 |
| Urinalysis, Manual Test81002 | 43 | $3 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 40 | $56 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 133 | 46 |
| Rosuvastatin Calcium | 132 | 46 |
| Amlodipine Besylate | 123 | 49 |
| Prednisone | 100 | 55 |
| Atorvastatin Calcium | 87 | 30 |
| Lorazepam | 85 | 25 |
| Tamsulosin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is Stephen Katz's NPI number?
- Stephen Katz's National Provider Identifier (NPI) is 1255486775, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Katz's specialty?
- Stephen Katz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Katz located?
- Stephen Katz's practice location on file with NPPES is 31 Robinson Rd, Severna Park, MD 21146-2841.
- What is Stephen Katz's phone number?
- The practice phone number listed in the NPPES registry for Stephen Katz is (410) 544-5900.
- Does Stephen Katz accept Medicare?
- Stephen Katz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Katz's NPI active?
- Yes — Stephen Katz's NPI (1255486775) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.