Waddah Nassar, M.D.
NPI 1144252909 · Family Medicine Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Waddah Nassar, M.D. is a Family Medicine Physician provider in Oklahoma City, OK (NPI 1144252909).
Provider details
- NPI number
- 1144252909
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 17880 (OK)
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
1,582 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 | 509 | $68 |
| Initial Nursing Facility Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99304 | 299 | $76 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 201 | $85 |
| Hemoglobin A1c Level83036 | 139 | $10 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 121 | $32 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 193 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 599 | 149 |
| Levothyroxine Sodium | 439 | 111 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 415 | 95 |
| Apixabanbrand: Eliquis | 398 | 51 |
| Gabapentin | 375 | 91 |
| Amlodipine Besylate | 358 | 98 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,390 across 124 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
- 2006-07-06
- Last updated
- 2017-09-21
Frequently asked questions
- What is Waddah Nassar's NPI number?
- Waddah Nassar's National Provider Identifier (NPI) is 1144252909, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Waddah Nassar's specialty?
- Waddah Nassar is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Waddah Nassar located?
- Waddah Nassar's practice location on file with NPPES is 7221 W Hefner Rd, Oklahoma City, OK 73162-4505.
- What is Waddah Nassar's phone number?
- The practice phone number listed in the NPPES registry for Waddah Nassar is (405) 470-6900.
- Does Waddah Nassar accept Medicare?
- Waddah Nassar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Waddah Nassar's NPI active?
- Yes — Waddah Nassar's NPI (1144252909) is active in the NPPES registry as of the last update on 2017-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.