William Mcglothlin, MD
NPI 1174791859 · Psychiatry Physician · Manassas, VA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Mcglothlin, MD is a Psychiatry Physician provider in Manassas, VA (NPI 1174791859).
Provider details
- NPI number
- 1174791859
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0101051499 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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 tenure25% of score
18 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
25 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 25 | $50 |
Typical Medicare-allowed amounts for these services range $50–$50 (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 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Haloperidol | 87 | 12 |
| Benztropine Mesylate | 82 | 12 |
| Aripiprazole | 79 | 20 |
| Trazodone Hcl | 68 | 15 |
| Sertraline Hcl | 51 | 14 |
| Quetiapine Fumarate | 51 | — |
| Divalproex Sodium | 38 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$270 across 11 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
- 2008-02-14
- Last updated
- 2008-02-14
Frequently asked questions
- What is William Mcglothlin's NPI number?
- William Mcglothlin's National Provider Identifier (NPI) is 1174791859, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mcglothlin's specialty?
- William Mcglothlin is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Mcglothlin located?
- William Mcglothlin's practice location on file with NPPES is 8421 Dorsey Circle, Manassas, VA 20110.
- What is William Mcglothlin's phone number?
- The practice phone number listed in the NPPES registry for William Mcglothlin is (703) 368-1683.
- Does William Mcglothlin accept Medicare?
- William Mcglothlin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Mcglothlin's NPI active?
- Yes — William Mcglothlin's NPI (1174791859) is active in the NPPES registry as of the last update on 2008-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.