Terrence Mulligan, DO,MPH
NPI 1548203920 · Emergency Medicine Physician · Rockville, MD
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Terrence Mulligan, DO,MPH is a Emergency Medicine Physician provider in Rockville, MD (NPI 1548203920).
Provider details
- NPI number
- 1548203920
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO,MPH
- Sex
- Male
- Sole proprietor
- Yes
- License
- H0059022 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
228 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 174 | $167 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 43 | $115 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 11 | $68 |
Typical Medicare-allowed amounts for these services range $68–$167 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ibuprofen | 169 | 167 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 112 | 111 |
| Azithromycin | 72 | 72 |
| Ondansetronbrand: Ondansetron Odt | 64 | 63 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 56 | 56 |
| Prednisone | 51 | 51 |
| Dicyclomine Hcl | 51 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-14
- Last updated
- 2026-03-31
- Certified
- 2026-03-31
Frequently asked questions
- What is Terrence Mulligan's NPI number?
- Terrence Mulligan's National Provider Identifier (NPI) is 1548203920, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Terrence Mulligan's specialty?
- Terrence Mulligan is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Terrence Mulligan located?
- Terrence Mulligan's practice location on file with NPPES is 2101 E Jefferson St, Rockville, MD 20852-4908.
- What is Terrence Mulligan's phone number?
- The practice phone number listed in the NPPES registry for Terrence Mulligan is (800) 227-6472.
- Does Terrence Mulligan accept Medicare?
- Terrence Mulligan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Terrence Mulligan's NPI active?
- Yes — Terrence Mulligan's NPI (1548203920) is active in the NPPES registry as of the last update on 2026-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.