Doctor profile · Federal record
Dr. Donald Karcher, MD
Hematology (Pathology) Physician (CMS: Pathology) · Anatomic Pathology & Clinical Pathology Physician · Washington, DC
- NPI 1154437499
- Accepts Medicare
- 52 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
900 23Rd St Nw
Washington, DC 200372342
(202) 994-4665
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- September 11, 2025
- Year of graduation
- 1974 — 52 yrs since
- Specialty taxonomy
- 207ZH0000X — NUCC code
- State license (1)
- District of Columbia #MD14909
- Medicaid
- DC #0114468200
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154437499. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
175
Distinct HCPCS
5
Medicare allowed
$5,806
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 111 | 14 | $31 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 23 | 18 | $41 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 19 | 16 | $38 | |
85097 |
Bone marrow, smear interpretation | 11 | 11 | $53 | |
88311 |
Preparation of tissue for examination by removing any calcium present | 11 | 11 | $14 |
In context: peer comparison
Among 2 peers in Washington Hematology (Pathology) Physician, average services per provider: 70. This provider delivers 2.5× the peer median.Open Payments
Industry payments received
All-time total
$47
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Celgene Corporation | 1 | $47.35 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Donald Karcher's medical specialty?
Dr. Donald Karcher practices Hematology (Pathology) Physician in Washington, DC.
Where does Dr. Donald Karcher practice?
Dr. Donald Karcher practices at 900 23Rd St Nw, Washington, DC 200372342. Office phone: 2029944665.
What is Dr. Donald Karcher's NPI?
Dr. Donald Karcher's National Provider Identifier (NPI) is 1154437499, issued by NPPES.
Does Dr. Donald Karcher accept Medicare assignment?
Yes. Dr. Donald Karcher accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Donald Karcher commonly perform?
Top Medicare-reported procedures in 2023: Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342). Source: CMS Medicare Physician & Other Practitioners file.