Deirdre Harrington, M.D.
NPI 1811421944 · Internal Medicine Physician · Flushing, NY
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deirdre Harrington, M.D. is a Internal Medicine Physician provider in Flushing, NY (NPI 1811421944).
Provider details
- NPI number
- 1811421944
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 311594 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,226 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 560 | $87 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 191 | $131 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 168 | $190 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 138 | $90 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 88 | $126 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 28 | 23 |
| Cefpodoxime Proxetil | 25 | 25 |
| Doxycycline Hyclate | 18 | 18 |
| Pantoprazole Sodium | 18 | 18 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 15 | 15 |
| Furosemide | 12 | 12 |
| Oxycodone Hcl | 11 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$83 across 5 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)
- 1 Gustave L Levy PlNew York, NY 10029-6504Phone: (212) 241-1653Fax: (212) 289-6393
Registry dates
- Enumerated
- 2017-04-15
- Last updated
- 2022-04-27
- Certified
- 2022-04-27
Frequently asked questions
- What is Deirdre Harrington's NPI number?
- Deirdre Harrington's National Provider Identifier (NPI) is 1811421944, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deirdre Harrington's specialty?
- Deirdre Harrington is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Deirdre Harrington located?
- Deirdre Harrington's practice location on file with NPPES is 5645 Main St, Flushing, NY 11355-5045.
- What is Deirdre Harrington's phone number?
- The practice phone number listed in the NPPES registry for Deirdre Harrington is (718) 670-2000.
- Does Deirdre Harrington accept Medicare?
- Deirdre Harrington is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deirdre Harrington's NPI active?
- Yes — Deirdre Harrington's NPI (1811421944) is active in the NPPES registry as of the last update on 2022-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.