Robert Allen-Emerson, PMHNP
NPI 1659688141 · Psychiatric/Mental Health Nurse Practitioner · Annapolis, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Allen-Emerson, PMHNP is a Psychiatric/Mental Health Nurse Practitioner provider in Annapolis, MD (NPI 1659688141).
Provider details
- NPI number
- 1659688141
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP
- Sex
- Male
- Sole proprietor
- Yes
- License
- R161147 (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 tenure25% of score
15 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
2,892 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) |
|---|---|---|
| Psychotherapy, 30 Minutes90832 | 875 | $62 |
| Psychotherapy, 45 Minutes90834 | 634 | $81 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 537 | $65 |
| Group Psychotherapy90853 | 298 | $23 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 280 | $13 |
| Psychotherapy, 1 Hour90837 | 244 | $122 |
| Psychiatric Diagnostic Evaluation |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 60 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Aripiprazole | 250 | 44 |
| Benztropine Mesylate | 203 | 40 |
| Trazodone Hcl | 194 | 34 |
| Bupropion Hclbrand: Bupropion Xl | 172 | 29 |
| Clonazepam | 164 | 28 |
| Clozapine | 163 | 13 |
| Risperidone | 153 | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$648 across 20 records (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
- 2010-09-07
- Last updated
- 2012-01-30
Frequently asked questions
- What is Robert Allen-Emerson's NPI number?
- Robert Allen-Emerson's National Provider Identifier (NPI) is 1659688141, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Allen-Emerson's specialty?
- Robert Allen-Emerson is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Robert Allen-Emerson located?
- Robert Allen-Emerson's practice location on file with NPPES is 175 Admiral Cochrane Dr Ste 110, Annapolis, MD 21401-8445.
- What is Robert Allen-Emerson's phone number?
- The practice phone number listed in the NPPES registry for Robert Allen-Emerson is (410) 571-0888.
- Does Robert Allen-Emerson accept Medicare?
- Robert Allen-Emerson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Allen-Emerson's NPI active?
- Yes — Robert Allen-Emerson's NPI (1659688141) is active in the NPPES registry as of the last update on 2012-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.