Mark Mullen, MD
NPI 1679581870 · Internal Medicine Physician · Feasterville Trevose, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Mullen, MD is a Internal Medicine Physician provider in Feasterville Trevose, PA (NPI 1679581870).
Provider details
- NPI number
- 1679581870
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD0402071E (PA)
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
797 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 | 389 | $70 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 179 | $43 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 128 | $77 |
| Administration of Influenza Virus VaccineG0008 | 59 | $33 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 27 | $15 |
| Initial Preventive Physical Examination; Face-To-Face Visit, Services Limited to New Beneficiary During the First 12 Months of Medicare Enrollment |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 123 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 439 | 95 |
| Rosuvastatin Calcium | 374 | 104 |
| Amlodipine Besylate | 283 | 74 |
| Levothyroxine Sodium | 211 | 51 |
| Metoprolol Succinate | 185 | 34 |
| Apixabanbrand: Eliquis | 154 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$114 across 6 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
- 2006-08-03
- Last updated
- 2021-07-01
- Certified
- 2021-06-11
Frequently asked questions
- What is Mark Mullen's NPI number?
- Mark Mullen's National Provider Identifier (NPI) is 1679581870, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Mullen's specialty?
- Mark Mullen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Mullen located?
- Mark Mullen's practice location on file with NPPES is 23 Bustleton Pike, Feasterville Trevose, PA 19053-6446.
- What is Mark Mullen's phone number?
- The practice phone number listed in the NPPES registry for Mark Mullen is (215) 464-0770.
- Does Mark Mullen accept Medicare?
- Mark Mullen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Mullen's NPI active?
- Yes — Mark Mullen's NPI (1679581870) is active in the NPPES registry as of the last update on 2021-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.