Mariel Otter, DNP, CRNP-MH
NPI 1881204535 · Psychiatric/Mental Health Nurse Practitioner · Lutherville Timonium, MD
Mariel Otter, DNP, CRNP-MH is a Psychiatric/Mental Health Nurse Practitioner provider in Lutherville Timonium, MD (NPI 1881204535).
Provider details
- NPI number
- 1881204535
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, CRNP-MH
- Sex
- Female
- Sole proprietor
- Yes
- License
- R206504 (MD)
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
5 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
207 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 | 133 | $111 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 74 | $62 |
Typical Medicare-allowed amounts for these services range $62–$111 (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 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lamotrigine | 117 | 25 |
| Sertraline Hcl | 74 | 18 |
| Clonazepam | 71 | 15 |
| Bupropion Hclbrand: Bupropion Xl | 56 | 16 |
| Duloxetine Hcl | 49 | 16 |
| Aripiprazole | 46 | 16 |
| Trazodone Hcl | 43 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-08-07
- Last updated
- 2025-07-21
- Certified
- 2025-07-21
Frequently asked questions
- What is Mariel Otter's NPI number?
- Mariel Otter's National Provider Identifier (NPI) is 1881204535, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariel Otter's specialty?
- Mariel Otter is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mariel Otter located?
- Mariel Otter's practice location on file with NPPES is 1965 Greenspring Dr Ste 214, Lutherville Timonium, MD 21093-4199.
- What is Mariel Otter's phone number?
- The practice phone number listed in the NPPES registry for Mariel Otter is (443) 212-8182.
- Is Mariel Otter's NPI active?
- Yes — Mariel Otter's NPI (1881204535) is active in the NPPES registry as of the last update on 2025-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.