Mary Ann Thenganatt, M.D.
NPI 1598923856 · Neurology Physician · Winston Salem, NC
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Ann Thenganatt, M.D. is a Neurology Physician provider in Winston Salem, NC (NPI 1598923856).
Provider details
- NPI number
- 1598923856
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD459361 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
225 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 | 105 | $90 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 51 | $167 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 39 | $135 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 30 | $59 |
Typical Medicare-allowed amounts for these services range $59–$167 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 464 | 151 |
| Clonazepam | 70 | 14 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa Er | 68 | 29 |
| Amantadine Hclbrand: Amantadine | 45 | 19 |
| Sertraline Hcl | 38 | 13 |
| Donepezil Hcl | 37 | 11 |
| Primidone | 30 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 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
Additional practice locations (1)
- 330 S 9th StPhiladelphia, PA 19107-6103Phone: (215) 829-6606
Registry dates
- Enumerated
- 2008-05-22
- Last updated
- 2021-02-22
- Certified
- 2021-02-22
Frequently asked questions
- What is Mary Ann Thenganatt's NPI number?
- Mary Ann Thenganatt's National Provider Identifier (NPI) is 1598923856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ann Thenganatt's specialty?
- Mary Ann Thenganatt is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Ann Thenganatt located?
- Mary Ann Thenganatt's practice location on file with NPPES is Medical Center Blvd, Winston Salem, NC 27157-6103.
- What is Mary Ann Thenganatt's phone number?
- The practice phone number listed in the NPPES registry for Mary Ann Thenganatt is (336) 716-2255.
- Does Mary Ann Thenganatt accept Medicare?
- Mary Ann Thenganatt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Ann Thenganatt's NPI active?
- Yes — Mary Ann Thenganatt's NPI (1598923856) is active in the NPPES registry as of the last update on 2021-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.