Tia Williams, PA-C, MMSC
NPI 1851631683 · Surgical Physician Assistant · Rocky Hill, CT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tia Williams, PA-C, MMSC is a Surgical Physician Assistant provider in Rocky Hill, CT (NPI 1851631683).
Provider details
- NPI number
- 1851631683
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C, MMSC
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Medical Physician Assistant363AM0700X
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
13 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
206 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 87 | $81 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 47 | $113 |
| X-Ray of Wrist, Minimum of 3 Views73110 | 21 | $36 |
| X-Ray of Finger, Minimum of 2 Views73140 | 20 | $35 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 18 | $31 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 69 | 60 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 48 | 44 |
| Meloxicam | 42 | 22 |
| Cyclobenzaprine Hcl | 40 | 31 |
| Tramadol Hcl | 38 | 32 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 36 | 32 |
| Celecoxib | 30 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$146 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
Additional practice locations (1)
- 538 Litchfield St Ste G01Torrington, CT 06790-6669Phone: (860) 496-9877Fax: (860) 496-0441
Registry dates
- Enumerated
- 2013-02-14
- Last updated
- 2018-08-29
Frequently asked questions
- What is Tia Williams's NPI number?
- Tia Williams's National Provider Identifier (NPI) is 1851631683, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tia Williams's specialty?
- Tia Williams is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tia Williams located?
- Tia Williams's practice location on file with NPPES is 1111 Cromwell Ave # 404, Rocky Hill, CT 06067.
- What is Tia Williams's phone number?
- The practice phone number listed in the NPPES registry for Tia Williams is (860) 525-4469.
- Does Tia Williams accept Medicare?
- Tia Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tia Williams's NPI active?
- Yes — Tia Williams's NPI (1851631683) is active in the NPPES registry as of the last update on 2018-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.