Colleen Caldwell, M.D.
NPI 1437682275 · Rheumatology Physician · Washington, DC
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colleen Caldwell, M.D. is a Rheumatology Physician provider in Washington, DC (NPI 1437682275).
Provider details
- NPI number
- 1437682275
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
396 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 | 147 | $141 |
| 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 | 82 | $18 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 67 | $182 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 25 | $16 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 21 | $91 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 55 | 17 |
| Hydroxychloroquine Sulfate | 39 | 14 |
| Allopurinol | 27 | 13 |
| Adalimumabbrand: Humira(cf) Pen | 20 | — |
| Colchicine | 19 | — |
| Denosumabbrand: Prolia | 15 | 11 |
| Prednisone | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,480 across 60 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
Additional practice locations (1)
- 3800 Reservoir Rd NwDept of MedicineWashington, DC 20007-2113Phone: (202) 444-8168Fax: (877) 303-1460
Registry dates
- Enumerated
- 2017-04-08
- Last updated
- 2022-05-23
- Certified
- 2022-05-23
Frequently asked questions
- What is Colleen Caldwell's NPI number?
- Colleen Caldwell's National Provider Identifier (NPI) is 1437682275, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colleen Caldwell's specialty?
- Colleen Caldwell is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Colleen Caldwell located?
- Colleen Caldwell's practice location on file with NPPES is 2300 M St Nw, Washington, DC 20037-1434.
- What is Colleen Caldwell's phone number?
- The practice phone number listed in the NPPES registry for Colleen Caldwell is (202) 741-2930.
- Does Colleen Caldwell accept Medicare?
- Colleen Caldwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colleen Caldwell's NPI active?
- Yes — Colleen Caldwell's NPI (1437682275) is active in the NPPES registry as of the last update on 2022-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.