Mary Ostteen
NPI 1659777142 · Surgical Physician Assistant · Addison, TX
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Ostteen is a Surgical Physician Assistant provider in Addison, TX (NPI 1659777142).
Provider details
- NPI number
- 1659777142
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
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
11 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
153 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) |
|---|---|---|
| Partial Removal of Spine Bone With Release of Spinal Cord And/Or Nerves, Each Additional Segment63048 | 38 | $28 |
| Insertion of Cage Or Mesh Device to Spine Bone and Disc Space During Spine Fusion22853 | 37 | $34 |
| Fusion of Additional Segment of Spine22614 | 27 | $51 |
| Partial Removal of Spine Bone With Release of Lower Spinal Cord And/Or Nerves, 1 Segment63047 | 22 | $100 |
| Fusion of Spine in Lower Back22612 | 17 | $210 |
| Fusion of Lower Spine Bone Through Abdomen With Partial Removal of Disc22558 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$118 across 3 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
- 2014-11-10
- Last updated
- 2024-10-16
- Certified
- 2024-10-16
Frequently asked questions
- What is Mary Ostteen's NPI number?
- Mary Ostteen's National Provider Identifier (NPI) is 1659777142, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ostteen's specialty?
- Mary Ostteen is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Ostteen located?
- Mary Ostteen's practice location on file with NPPES is 17051 Dallas Pkwy Ste 400, Addison, TX 75001-7108.
- What is Mary Ostteen's phone number?
- The practice phone number listed in the NPPES registry for Mary Ostteen is (214) 370-3535.
- Does Mary Ostteen accept Medicare?
- Mary Ostteen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Ostteen's NPI active?
- Yes — Mary Ostteen's NPI (1659777142) is active in the NPPES registry as of the last update on 2024-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.