Janet Schwartzenberg, MD
NPI 1194767640 · Rheumatology Physician · Amarillo, TX
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janet Schwartzenberg, MD is a Rheumatology Physician provider in Amarillo, TX (NPI 1194767640).
Provider details
- NPI number
- 1194767640
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- License
- J2135 (TX)
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
20 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
23,318 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 2,505 | $9 |
| Red Blood Cell Sedimentation Rate, to Detect Inflammation, Automated85652 | 2,117 | $3 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 2,087 | $7 |
| Measurement C-Reactive Protein for Detection of Infection Or Inflammation86140 | 2,042 | $5 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 2,027 | $10 |
| Bilirubin Level, Direct82248 | 2,025 | $5 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 126 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 1,110 | 201 |
| Hydroxychloroquine Sulfate | 863 | 183 |
| Gabapentin | 855 | 200 |
| Prednisone | 804 | 212 |
| Tramadol Hcl | 620 | 132 |
| Allopurinol | 473 | 107 |
| Methotrexate Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$5,056 across 190 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
- 2006-06-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Janet Schwartzenberg's NPI number?
- Janet Schwartzenberg's National Provider Identifier (NPI) is 1194767640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janet Schwartzenberg's specialty?
- Janet Schwartzenberg is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Janet Schwartzenberg located?
- Janet Schwartzenberg's practice location on file with NPPES is 6700 W 9th Ave, Amarillo, TX 79106-1729.
- What is Janet Schwartzenberg's phone number?
- The practice phone number listed in the NPPES registry for Janet Schwartzenberg is (806) 358-0200.
- Does Janet Schwartzenberg accept Medicare?
- Janet Schwartzenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janet Schwartzenberg's NPI active?
- Yes — Janet Schwartzenberg's NPI (1194767640) 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.