Tabatha Maassen, APRN-CNP
NPI 1871378497 · Family Nurse Practitioner · Tulsa, OK
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tabatha Maassen, APRN-CNP is a Family Nurse Practitioner provider in Tulsa, OK (NPI 1871378497).
Provider details
- NPI number
- 1871378497
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN-CNP
- Sex
- Female
- Sole proprietor
- No
- License
- 214877 (OK)
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
2 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
181 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 110 | $77 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 39 | $52 |
| 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'SG2211 | 20 | $13 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 12 | $6 |
Typical Medicare-allowed amounts for these services range $6–$77 (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 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 134 | 19 |
| Amlodipine Besylate | 122 | 20 |
| Lisinopril | 91 | 19 |
| Atorvastatin Calcium | 81 | 12 |
| Metoprolol Succinate | 80 | 12 |
| Semaglutidebrand: Ozempic | 74 | 14 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-08-30
- Last updated
- 2023-08-31
- Certified
- 2023-08-31
Frequently asked questions
- What is Tabatha Maassen's NPI number?
- Tabatha Maassen's National Provider Identifier (NPI) is 1871378497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tabatha Maassen's specialty?
- Tabatha Maassen is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tabatha Maassen located?
- Tabatha Maassen's practice location on file with NPPES is 10109 E 79th St, Tulsa, OK 74133-4564.
- What is Tabatha Maassen's phone number?
- The practice phone number listed in the NPPES registry for Tabatha Maassen is (918) 233-9550.
- Does Tabatha Maassen accept Medicare?
- Tabatha Maassen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tabatha Maassen's NPI active?
- Yes — Tabatha Maassen's NPI (1871378497) is active in the NPPES registry as of the last update on 2023-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.