Doctor profile · Federal record
Dr. Darlene Knapp, MD
Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Portsmouth, NH
- NPI 1629067731
- Accepts Medicare
- 39 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
333 Borthwick Avenue
Portsmouth, NH 038017128
(603) 334-2037
fax (603) 433-4910 - Mailing address
-
Po Box 1849
Lewiston, ME 042411849
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- October 1, 2009
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State license (1)
- New Hampshire #11374
- Medicaid
- MA #3111890
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629067731. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
757
Distinct HCPCS
8
Medicare allowed
$27,123
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 403 | 214 | $37 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 80 | 69 | $35 | |
88307 |
Pathology examination of tissue using a microscope, moderately high complexity | 55 | 46 | $82 | |
88304 |
Pathology examination of tissue using a microscope, moderately low complexity | 52 | 41 | $11 | |
88311 |
Preparation of tissue for examination by removing any calcium present | 49 | 37 | $12 | |
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 47 | 19 | $28 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 39 | 35 | $37 | |
88112 |
Cell examination of specimen, selective cellular enhancement technique | 32 | 29 | $28 |
In context: peer comparison
Among 1 peers in Portsmouth Anatomic Pathology & Clinical Pathology Physician, average services per provider: 94. This provider delivers 8.1× the peer median.Frequently asked questions
What is Dr. Darlene Knapp's medical specialty?
Dr. Darlene Knapp practices Anatomic Pathology & Clinical Pathology Physician in Portsmouth, NH.
Where does Dr. Darlene Knapp practice?
Dr. Darlene Knapp practices at 333 Borthwick Avenue, Portsmouth, NH 038017128. Office phone: 6033342037.
What is Dr. Darlene Knapp's NPI?
Dr. Darlene Knapp's National Provider Identifier (NPI) is 1629067731, issued by NPPES.
Does Dr. Darlene Knapp accept Medicare assignment?
Yes. Dr. Darlene Knapp accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Darlene Knapp commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342); Pathology examination of tissue using a microscope, moderately high complexity (HCPCS 88307). Source: CMS Medicare Physician & Other Practitioners file.