Richard Mahon, M.D.
NPI 1538237730 · Pulmonary Disease Physician · Gaithersburg, MD
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Mahon, M.D. is a Pulmonary Disease Physician provider in Gaithersburg, MD (NPI 1538237730).
Provider details
- NPI number
- 1538237730
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0063136 (MD)
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
2,497 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 526 | $99 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 388 | $119 |
| Test to Measure Expiratory Airflow and Volume94010 | 301 | $31 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 246 | $138 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 183 | $65 |
| Test to Determine Lung Volumes Using Gas Dilution Or Washout94727 | 182 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 290 | 72 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 155 | 60 |
| Prednisone | 125 | 40 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 123 | 27 |
| Montelukast Sodium | 119 | 34 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 84 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,488 across 103 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
- 2006-12-04
- Last updated
- 2024-12-10
- Certified
- 2024-12-10
Frequently asked questions
- What is Richard Mahon's NPI number?
- Richard Mahon's National Provider Identifier (NPI) is 1538237730, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Mahon's specialty?
- Richard Mahon is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Mahon located?
- Richard Mahon's practice location on file with NPPES is 16220 Frederick Rd Ste 213, Gaithersburg, MD 20877-4017.
- What is Richard Mahon's phone number?
- The practice phone number listed in the NPPES registry for Richard Mahon is (301) 963-2709.
- Does Richard Mahon accept Medicare?
- Richard Mahon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Mahon's NPI active?
- Yes — Richard Mahon's NPI (1538237730) is active in the NPPES registry as of the last update on 2024-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.