Robert Muldoon, M.D.
NPI 1841277589 · Hematology & Oncology Physician · Hot Springs, AR
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Muldoon, M.D. is a Hematology & Oncology Physician provider in Hot Springs, AR (NPI 1841277589).
Provider details
- NPI number
- 1841277589
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- E-2766 (AR)
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
13,743 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 | 2,630 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 2,431 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,160 | $81 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 1,091 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 887 | $115 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 126 | 39 |
| Anastrozole | 119 | 31 |
| Ondansetronbrand: Ondansetron Odt | 105 | 63 |
| Prednisone | 103 | 44 |
| Pantoprazole Sodium | 93 | 22 |
| Levothyroxine Sodium | 83 | 15 |
| Filgrastim-Sndz |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,616 across 141 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
- 2005-12-23
- Last updated
- 2022-12-29
- Certified
- 2022-12-29
Frequently asked questions
- What is Robert Muldoon's NPI number?
- Robert Muldoon's National Provider Identifier (NPI) is 1841277589, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Muldoon's specialty?
- Robert Muldoon is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Muldoon located?
- Robert Muldoon's practice location on file with NPPES is 133 Harmony Park, Hot Springs, AR 71913-5417.
- What is Robert Muldoon's phone number?
- The practice phone number listed in the NPPES registry for Robert Muldoon is (501) 624-7700.
- Does Robert Muldoon accept Medicare?
- Robert Muldoon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Muldoon's NPI active?
- Yes — Robert Muldoon's NPI (1841277589) is active in the NPPES registry as of the last update on 2022-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.