ANDREW S. FLEWWELLING (MD) – Internal Medicine Physician, NPI 1396717468
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
7,722 INTERNAL MEDICINE in MA
Provider Addresses for ANDREW S. FLEWWELLING (MD)
300 Linden Ponds Way
Hingham, MA 020433769
Phone: (781) 534-7100
Fax: (781) 534-7358
Type: Location
1070 IYANNOUGH RD
HYANNIS, MA 02601
Phone: (888) 405-6396
Fax: (415) 252-7176
Type: Location
Research Park Drive, Catonsville, Baltimore County, Maryland, United States
BALTIMORE, MD 212284873
Phone: (781) 534-7100
Fax: (781) 534-7358
Type: Mailing
300, Linden Ponds Way, Hingham, Plymouth County, Massachusetts, 02043, United States
HINGHAM, MA 020433769
Phone: (781) 534-7100
Fax: (781) 534-7358
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2006-02-16
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20060216000050 | I | Internal Medicine | MA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 539 | 319 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 184 | 149 | $0 |
| G0008 | Administration of influenza virus vaccine | 43 | 43 | $0 |
| 90662 | Influenza vaccine split virus, preservative free | 42 | 42 | $0 |
| 90677 | Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 20 | 20 | $0 |
Insurance plans in this area (ZIP 02043)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Social Worker | MA | |
| Internal Medicine | MA | |
| Internal Medicine, Pediatric Medicine | MA | |
| - | MA | |
| Nurse Practitioner | MA | |
| - | MA |
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