Mary Watzek, FNP-C
NPI 1811490600 · Family Nurse Practitioner · Houston, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Watzek, FNP-C is a Family Nurse Practitioner provider in Houston, TX (NPI 1811490600).
Provider details
- NPI number
- 1811490600
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- AP136991 (TX)
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 tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
61 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 39 | $78 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 22 | $109 |
Typical Medicare-allowed amounts for these services range $78–$109 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 131 | 48 |
| Pregabalin | 96 | 35 |
| Tramadol Hcl | 53 | — |
| Methocarbamol | 39 | — |
| Tizanidine Hcl | 37 | 11 |
| Lidocaine | 31 | 16 |
| Duloxetine Hcl | 17 | — |
| Baclofen |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-03-17
- Last updated
- 2018-03-17
Frequently asked questions
- What is Mary Watzek's NPI number?
- Mary Watzek's National Provider Identifier (NPI) is 1811490600, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Watzek's specialty?
- Mary Watzek is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Watzek located?
- Mary Watzek's practice location on file with NPPES is 13300 Hargrave Rd Ste 505, Houston, TX 77070-4374.
- What is Mary Watzek's phone number?
- The practice phone number listed in the NPPES registry for Mary Watzek is (281) 737-0810.
- Does Mary Watzek accept Medicare?
- Mary Watzek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Watzek's NPI active?
- Yes — Mary Watzek's NPI (1811490600) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.