Phyllis Owusu-Griffin, M.D.
NPI 1427251438 · Internal Medicine Physician · West Springfield, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Phyllis Owusu-Griffin, M.D. is a Internal Medicine Physician provider in West Springfield, MA (NPI 1427251438).
Provider details
- NPI number
- 1427251438
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 244654 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
900 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 262 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 195 | $129 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 170 | $131 |
| Hemoglobin A1c Level83036 | 88 | $10 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 33 | $90 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 124 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 448 | 123 |
| Amlodipine Besylate | 405 | 92 |
| Lisinopril | 367 | 93 |
| Omeprazole | 318 | 86 |
| Gabapentin | 282 | 64 |
| Levothyroxine Sodium | 267 | 61 |
| Simvastatin | 234 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-07
- Last updated
- 2016-11-15
Frequently asked questions
- What is Phyllis Owusu-Griffin's NPI number?
- Phyllis Owusu-Griffin's National Provider Identifier (NPI) is 1427251438, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Phyllis Owusu-Griffin's specialty?
- Phyllis Owusu-Griffin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Phyllis Owusu-Griffin located?
- Phyllis Owusu-Griffin's practice location on file with NPPES is 46 Daggett Dr, West Springfield, MA 01089-4638.
- What is Phyllis Owusu-Griffin's phone number?
- The practice phone number listed in the NPPES registry for Phyllis Owusu-Griffin is (413) 794-9110.
- Does Phyllis Owusu-Griffin accept Medicare?
- Phyllis Owusu-Griffin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Phyllis Owusu-Griffin's NPI active?
- Yes — Phyllis Owusu-Griffin's NPI (1427251438) is active in the NPPES registry as of the last update on 2016-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.