Mark Gillen, PA
NPI 1609833078 · Physician Assistant · Tulsa, OK
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Gillen, PA is a Physician Assistant provider in Tulsa, OK (NPI 1609833078).
Provider details
- NPI number
- 1609833078
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 1178 (OK)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
1,860 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) |
|---|---|---|
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 416 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 360 | $99 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 335 | $71 |
| Detection Test By Nucleic Acid for Strep (streptococcus, Group A), Amplified Probe Technique87651 | 143 | $34 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 90 | $6 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 198 | 194 |
| Methylprednisolone | 164 | 161 |
| Azithromycin | 164 | 162 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 154 | 151 |
| Ipratropium Bromide | 143 | 124 |
| Lidocaine Hclbrand: Lidocaine Hcl Viscous | 130 | 128 |
| Ciprofloxacin Hcl | 99 | 97 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$231 across 9 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
- 2006-04-28
- Last updated
- 2013-08-05
Frequently asked questions
- What is Mark Gillen's NPI number?
- Mark Gillen's National Provider Identifier (NPI) is 1609833078, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Gillen's specialty?
- Mark Gillen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Gillen located?
- Mark Gillen's practice location on file with NPPES is 6160 S Yale Ave, Tulsa, OK 74136-1930.
- What is Mark Gillen's phone number?
- The practice phone number listed in the NPPES registry for Mark Gillen is (918) 495-2600.
- Does Mark Gillen accept Medicare?
- Mark Gillen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Gillen's NPI active?
- Yes — Mark Gillen's NPI (1609833078) is active in the NPPES registry as of the last update on 2013-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.