Rian Mccormack
NPI 1699186312 · Physician Assistant · Somerville, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rian Mccormack is a Physician Assistant provider in Somerville, MA (NPI 1699186312).
Provider details
- NPI number
- 1699186312
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- PA4876 (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
12 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
1,946 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 | 1,323 | $97 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 464 | $68 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 81 | $139 |
| Nursing Facility Discharge Management, More Than 30 Minutes99316 | 67 | $117 |
| Advance Care Planning, First 30 Minutes99497 | 11 | $67 |
Typical Medicare-allowed amounts for these services range $67–$139 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lorazepam | 127 | 21 |
| Apixabanbrand: Eliquis | 79 | 14 |
| Quetiapine Fumarate | 57 | — |
| Amlodipine Besylate | 50 | 16 |
| Clonazepam | 50 | — |
| Tramadol Hcl | 46 | 11 |
| Atorvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$82 across 1 record (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
- 2014-05-15
- Last updated
- 2014-05-15
Frequently asked questions
- What is Rian Mccormack's NPI number?
- Rian Mccormack's National Provider Identifier (NPI) is 1699186312, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rian Mccormack's specialty?
- Rian Mccormack is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rian Mccormack located?
- Rian Mccormack's practice location on file with NPPES is 33 Bow St, Somerville, MA 02143-2937.
- What is Rian Mccormack's phone number?
- The practice phone number listed in the NPPES registry for Rian Mccormack is (617) 625-9992.
- Does Rian Mccormack accept Medicare?
- Rian Mccormack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rian Mccormack's NPI active?
- Yes — Rian Mccormack's NPI (1699186312) is active in the NPPES registry as of the last update on 2014-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.