Peter Caldwell
NPI 1982022919 · Internal Medicine Physician · Washington, DC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Caldwell is a Internal Medicine Physician provider in Washington, DC (NPI 1982022919).
Provider details
- NPI number
- 1982022919
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 304877 (LA)
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
12 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
297 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 112 | $126 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 89 | $84 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 42 | $184 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 37 | $123 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 17 | $140 |
Typical Medicare-allowed amounts for these services range $84–$184 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-07
- Last updated
- 2025-04-14
- Certified
- 2025-04-14
Frequently asked questions
- What is Peter Caldwell's NPI number?
- Peter Caldwell's National Provider Identifier (NPI) is 1982022919, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Caldwell's specialty?
- Peter Caldwell is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Caldwell located?
- Peter Caldwell's practice location on file with NPPES is 900 23rd St Nw, Washington, DC 20037-2342.
- What is Peter Caldwell's phone number?
- The practice phone number listed in the NPPES registry for Peter Caldwell is (202) 715-5109.
- Does Peter Caldwell accept Medicare?
- Peter Caldwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Caldwell's NPI active?
- Yes — Peter Caldwell's NPI (1982022919) is active in the NPPES registry as of the last update on 2025-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.