William Narrow, M.D.
NPI 1447583208 · Psychiatry Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Narrow, M.D. is a Psychiatry Physician provider in Baltimore, MD (NPI 1447583208).
Provider details
- NPI number
- 1447583208
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD2015-0863 (NM)
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 tenure28% of score
16 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
241 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 69 | $81 |
| 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 | 52 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 37 | $133 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 31 | $187 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 30 | $94 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Aripiprazole | 70 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 69 |
| Duloxetine Hcl | 66 |
| Benztropine Mesylate | 59 |
| Trazodone Hcl | 57 |
| Olanzapine | 46 |
| Mirtazapine | 44 |
| Quetiapine Fumarate | 42 |
| Lamotrigine | 38 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-09-11
- Last updated
- 2019-03-21
Frequently asked questions
- What is William Narrow's NPI number?
- William Narrow's National Provider Identifier (NPI) is 1447583208, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Narrow's specialty?
- William Narrow is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Narrow located?
- William Narrow's practice location on file with NPPES is 5500 E Lombard St, Baltimore, MD 21224-1731.
- What is William Narrow's phone number?
- The practice phone number listed in the NPPES registry for William Narrow is (410) 550-9618.
- Does William Narrow accept Medicare?
- William Narrow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Narrow's NPI active?
- Yes — William Narrow's NPI (1447583208) is active in the NPPES registry as of the last update on 2019-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.