Janna Massar, MD
NPI 1972516961 · Internal Medicine Physician · Plano, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janna Massar, MD is a Internal Medicine Physician provider in Plano, TX (NPI 1972516961).
Provider details
- NPI number
- 1972516961
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- K6484 (TX)
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
441 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) |
|---|---|---|
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 107 | $124 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 106 | $18 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 66 | $123 |
| Administration of Influenza Virus VaccineG0008 | 51 | $31 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 43 | $172 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 139 | 90 |
| Meloxicam | 129 | 53 |
| Levothyroxine Sodium | 86 | 22 |
| Azelastine Hcl | 86 | 40 |
| Tirzepatidebrand: Mounjaro | 84 | 13 |
| Estradiol | 73 | 28 |
| Losartan Potassium | 67 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$13 across 1 record (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
- 2006-08-14
- Last updated
- 2016-02-25
Frequently asked questions
- What is Janna Massar's NPI number?
- Janna Massar's National Provider Identifier (NPI) is 1972516961, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janna Massar's specialty?
- Janna Massar is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Janna Massar located?
- Janna Massar's practice location on file with NPPES is 2208 Dallas Pkwy, Plano, TX 75093-4359.
- What is Janna Massar's phone number?
- The practice phone number listed in the NPPES registry for Janna Massar is (972) 403-7555.
- Does Janna Massar accept Medicare?
- Janna Massar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janna Massar's NPI active?
- Yes — Janna Massar's NPI (1972516961) is active in the NPPES registry as of the last update on 2016-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.