John Miller, M.D.
NPI 1194068452 · Rheumatology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Miller, M.D. is a Rheumatology Physician provider in Baltimore, MD (NPI 1194068452).
Provider details
- NPI number
- 1194068452
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D84981 (MD)
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
13 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
383 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) |
|---|---|---|
| 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 | 135 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 120 | $98 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 46 | $145 |
| 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 | 39 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 162 | 49 |
| Methotrexate Sodiumbrand: Methotrexate | 150 | 51 |
| Hydroxychloroquine Sulfate | 102 | 37 |
| Adalimumabbrand: Humira(cf) Pen | 65 | — |
| Leflunomide | 45 | 13 |
| Etanerceptbrand: Enbrel Sureclick | 36 | — |
| Allopurinol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$62 across 1 record (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
- 2013-04-04
- Last updated
- 2021-03-24
- Certified
- 2021-03-24
Frequently asked questions
- What is John Miller's NPI number?
- John Miller's National Provider Identifier (NPI) is 1194068452, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Miller's specialty?
- John Miller is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is John Miller located?
- John Miller's practice location on file with NPPES is 5501 Hopkins Bayview Cir # 1b.7, Baltimore, MD 21224-6821.
- What is John Miller's phone number?
- The practice phone number listed in the NPPES registry for John Miller is (410) 550-8470.
- Does John Miller accept Medicare?
- John Miller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Miller's NPI active?
- Yes — John Miller's NPI (1194068452) is active in the NPPES registry as of the last update on 2021-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.