John Montgomery, D.O.
NPI 1821027368 · Psychiatry Physician · Pascagoula, MS
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Montgomery, D.O. is a Psychiatry Physician provider in Pascagoula, MS (NPI 1821027368).
Provider details
- NPI number
- 1821027368
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 18132 (MS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
976 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 | 264 | $72 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 259 | $109 |
| Therapy Using Electrical Currents90870 | 215 | $98 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 96 | $105 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 76 | $159 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 36 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mirtazapine | 140 | 53 |
| Trazodone Hcl | 68 | 40 |
| Quetiapine Fumarate | 50 | 21 |
| Duloxetine Hcl | 49 | 14 |
| Risperidone | 41 | 12 |
| Pantoprazole Sodium | 38 | 22 |
| Olanzapine | 30 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-30
- Last updated
- 2020-03-11
- Certified
- 2020-03-11
Frequently asked questions
- What is John Montgomery's NPI number?
- John Montgomery's National Provider Identifier (NPI) is 1821027368, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Montgomery's specialty?
- John Montgomery is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is John Montgomery located?
- John Montgomery's practice location on file with NPPES is 4502 Lt Eugene J Majure Dr, Pascagoula, MS 39581-5305.
- What is John Montgomery's phone number?
- The practice phone number listed in the NPPES registry for John Montgomery is (228) 696-9224.
- Does John Montgomery accept Medicare?
- John Montgomery is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Montgomery's NPI active?
- Yes — John Montgomery's NPI (1821027368) is active in the NPPES registry as of the last update on 2020-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.