Sonya Foster-Merrow, MD
NPI 1023031093 · Family Medicine Physician · Reading, PA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sonya Foster-Merrow, MD is a Family Medicine Physician provider in Reading, PA (NPI 1023031093).
Provider details
- NPI number
- 1023031093
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD432595 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
672 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 253 | $122 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 114 | $18 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 102 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 88 | $86 |
| Administration of Influenza Virus VaccineG0008 | 39 | $31 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 101 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 301 | 92 |
| Atorvastatin Calcium | 281 | 97 |
| Lisinopril | 276 | 81 |
| Losartan Potassium | 241 | 77 |
| Amlodipine Besylate | 231 | 69 |
| Rosuvastatin Calcium | 153 | 43 |
| Simvastatin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,448 across 40 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
Additional practice locations (1)
- 193 Old Swede RdDouglassville, PA 19518-1522Phone: (610) 385-3010
Registry dates
- Enumerated
- 2006-07-25
- Last updated
- 2026-05-26
- Certified
- 2026-05-26
Frequently asked questions
- What is Sonya Foster-Merrow's NPI number?
- Sonya Foster-Merrow's National Provider Identifier (NPI) is 1023031093, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonya Foster-Merrow's specialty?
- Sonya Foster-Merrow is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sonya Foster-Merrow located?
- Sonya Foster-Merrow's practice location on file with NPPES is 951 N 6th St Ste 221, Reading, PA 19601-1836.
- What is Sonya Foster-Merrow's phone number?
- The practice phone number listed in the NPPES registry for Sonya Foster-Merrow is (484) 207-2000.
- Does Sonya Foster-Merrow accept Medicare?
- Sonya Foster-Merrow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sonya Foster-Merrow's NPI active?
- Yes — Sonya Foster-Merrow's NPI (1023031093) is active in the NPPES registry as of the last update on 2026-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.