Oliver Johnson
NPI 1922671700 · Physician Assistant · Springfield, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oliver Johnson is a Physician Assistant provider in Springfield, MA (NPI 1922671700).
Provider details
- NPI number
- 1922671700
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- PA8349 (MA)
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
4 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
844 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 490 | $91 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 206 | $91 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 51 | $130 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 32 | $129 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 29 | $63 |
| Nursing Facility Discharge Management, More Than 30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 137 | 16 |
| Lorazepam | 129 | 28 |
| Clonazepam | 80 | 12 |
| Tramadol Hcl | 79 | 11 |
| Trazodone Hcl | 58 | 35 |
| Warfarin Sodium | 48 | — |
| Oxycodone Hclbrand: Oxycontin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$251 across 5 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
- 2021-07-20
- Last updated
- 2025-09-11
- Certified
- 2025-09-11
Frequently asked questions
- What is Oliver Johnson's NPI number?
- Oliver Johnson's National Provider Identifier (NPI) is 1922671700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oliver Johnson's specialty?
- Oliver Johnson is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Oliver Johnson located?
- Oliver Johnson's practice location on file with NPPES is 819 Worcester St Ste 1, Springfield, MA 01151-1056.
- What is Oliver Johnson's phone number?
- The practice phone number listed in the NPPES registry for Oliver Johnson is (413) 304-2501.
- Does Oliver Johnson accept Medicare?
- Oliver Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Oliver Johnson's NPI active?
- Yes — Oliver Johnson's NPI (1922671700) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.