DARLENE A. KNAPP (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1629067731
Anatomic Pathology & Clinical Pathology Physician
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Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
102 PATHOLOGY in NH
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Provider Addresses for DARLENE A. KNAPP (MD)
Lewiston Post Office, 49, Ash Street, Lewiston, Androscoggin County, Maine, 04240, United States
LEWISTON, ME 042411849
Phone: (207) 784-2554
Fax: (207) 777-1439
Type: Mailing
Portsmouth Regional Hospital, 333, Borthwick Avenue, Meadowbrook, Portsmouth, Rockingham County, New Hampshire, 03801, United States
PORTSMOUTH, NH 038017128
Phone: (603) 334-2037
Fax: (603) 433-4910
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: 2006-01-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20050609000155 | I | Pathology | MA | TBD |
| I20060119000427 | I | Pathology | NH | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 442 | 249 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 80 | 69 | $0 |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 55 | 46 | $0 |
| 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 52 | 41 | $0 |
| 88311 | Preparation of tissue for examination by removing any calcium present | 49 | 37 | $0 |
Insurance plans in this area (ZIP 04241)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MA | |
| Emergency Medicine | TX | |
| Internal Medicine | MA | |
| Emergency Medicine | MI | |
| Internal Medicine | NY | |
| Nurse Practitioner | MA | |
| Nurse Practitioner | NH | |
| Emergency Medicine | NY | |
| Emergency Medicine | MA | |
| Internal Medicine | MA |
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