KAREN K. JENG (M.D.) – Obstetrics & Gynecology Physician, NPI 1942285184
Obstetrics & Gynecology Physician
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Profile Insights
NPPES metrics only — not quality of care.
1,231 OBSTETRICS/GYNECOLOGY in MA
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Provider Addresses for KAREN K. JENG (M.D.)
PO Box 846028, Albany Street, Church Green, Financial District, Boston, Suffolk County, Massachusetts, 02284-6028, United States
BOSTON, MA 022415348
Phone:
Type: Mailing
91, Water Street, Hopedale, Worcester County, Massachusetts, 01747, United States
MILFORD, MA 017573005
Phone: (508) 458-4200
Fax: (508) 458-4251
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $307.
Total Amount is formed as General ($307) + Research ($0) + Ownership ($0) = $307.
Last reported payment date: 2024-05-30 • Largest payer in this snapshot: Baxter Healthcare ($144).
Total Amount
$307
General + Research + Ownership
Payments
3
Total payment records
General Amount
$307
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Baxter Healthcare | $144 |
| Dilon Technologies, Inc. | $86 |
| Astellas Pharma US Inc | $78 |
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: 2007-02-05
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 |
|---|---|---|---|---|
| I20070205000034 | I | Obstetrics/Gynecology | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 51 | 42 | $0 |
| G0101 | Cervical or vaginal cancer screening; pelvic and clinical breast examination | 36 | 36 | $0 |
| Q0091 | Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 22 | 22 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 19 | 19 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 14 | 11 | $0 |
Insurance plans in this area (ZIP 02241)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MA | |
| Physician Assistant | MA | |
| Orthopedic Surgery | MA | |
| - | MA | |
| - | MA | |
| Nurse Practitioner | MA | |
| Cardiovascular Disease (Cardiology) | MA | |
| Nurse Practitioner | MA | |
| - | MA | |
| - | MA |
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