Michael Malloy, M.D.
NPI 1679597371 · Rheumatology Physician · Tulsa, OK
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Malloy, M.D. is a Rheumatology Physician provider in Tulsa, OK (NPI 1679597371).
Provider details
- NPI number
- 1679597371
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 21023 (OK)
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
19 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
758 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 | 625 | $117 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 41 | $46 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 38 | $13 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 35 | $155 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 19 | $68 |
Typical Medicare-allowed amounts for these services range $13–$155 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 87 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 908 | 295 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 752 | 135 |
| Prednisone | 432 | 167 |
| Gabapentin | 423 | 133 |
| Duloxetine Hcl | 370 | 124 |
| Pregabalin | 317 | 82 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,528 across 120 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
- 2006-07-26
- Last updated
- 2012-09-10
Frequently asked questions
- What is Michael Malloy's NPI number?
- Michael Malloy's National Provider Identifier (NPI) is 1679597371, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Malloy's specialty?
- Michael Malloy is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Malloy located?
- Michael Malloy's practice location on file with NPPES is 6160 S Yale Ave, Tulsa, OK 74136-1930.
- What is Michael Malloy's phone number?
- The practice phone number listed in the NPPES registry for Michael Malloy is (918) 495-2685.
- Does Michael Malloy accept Medicare?
- Michael Malloy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Malloy's NPI active?
- Yes — Michael Malloy's NPI (1679597371) is active in the NPPES registry as of the last update on 2012-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.