Ruth Ann Ferguson-Law, OD
NPI 1447987946 · Optometrist · Doylestown, PA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ruth Ann Ferguson-Law, OD is a Optometrist provider in Doylestown, PA (NPI 1447987946).
Provider details
- NPI number
- 1447987946
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- No
- License
- OE007630P (PA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
3 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
42 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 27 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 15 | $93 |
Typical Medicare-allowed amounts for these services range $93–$131 (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)
- 329 Lincoln HwyFairless Hills, PA 19030-1201Phone: (215) 945-0200Fax: (215) 945-2424
Registry dates
- Enumerated
- 2022-08-04
- Last updated
- 2022-08-04
- Certified
- 2022-07-18
Frequently asked questions
- What is Ruth Ann Ferguson-Law's NPI number?
- Ruth Ann Ferguson-Law's National Provider Identifier (NPI) is 1447987946, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruth Ann Ferguson-Law's specialty?
- Ruth Ann Ferguson-Law is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Ruth Ann Ferguson-Law located?
- Ruth Ann Ferguson-Law's practice location on file with NPPES is 485 N Main St, Doylestown, PA 18901-3403.
- What is Ruth Ann Ferguson-Law's phone number?
- The practice phone number listed in the NPPES registry for Ruth Ann Ferguson-Law is (215) 345-6100.
- Does Ruth Ann Ferguson-Law accept Medicare?
- Ruth Ann Ferguson-Law is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ruth Ann Ferguson-Law's NPI active?
- Yes — Ruth Ann Ferguson-Law's NPI (1447987946) is active in the NPPES registry as of the last update on 2022-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.