Michael Armstrong, M.D.
NPI 1487978508 · Psychiatry Physician · West Palm Beach, FL
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Armstrong, M.D. is a Psychiatry Physician provider in West Palm Beach, FL (NPI 1487978508).
Provider details
- NPI number
- 1487978508
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 274700 (MA)
Specialties & taxonomies
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
141 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 Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 102 | $49 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 39 | $79 |
Typical Medicare-allowed amounts for these services range $49–$79 (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.
Practice location
Mailing address
Additional practice locations (1)
- 26 Queen StWorcester, MA 01610-2473Phone: (508) 334-2670
Registry dates
- Enumerated
- 2010-03-18
- Last updated
- 2020-11-21
- Certified
- 2020-11-21
Frequently asked questions
- What is Michael Armstrong's NPI number?
- Michael Armstrong's National Provider Identifier (NPI) is 1487978508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Armstrong's specialty?
- Michael Armstrong is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Armstrong located?
- Michael Armstrong's practice location on file with NPPES is 1041 45th St, West Palm Beach, FL 33407-2402.
- What is Michael Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Michael Armstrong is (561) 383-8000.
- Does Michael Armstrong accept Medicare?
- Michael Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Armstrong's NPI active?
- Yes — Michael Armstrong's NPI (1487978508) is active in the NPPES registry as of the last update on 2020-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.