Doctor profile · Federal record
Dr. William Chapin, MD
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Medical Oncology Physician · Philadelphia, PA
- NPI 1316309578
- Accepts Medicare
- MIPS 85.5 / 100 · 2023
- 10 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
3400 Civic Center Blvd
Philadelphia, PA 191045127
(215) 615-0063
fax (215) 349-8144
Credentials & registration
- NPI registered
- March 2016 — 10 yrs on file
- Profile last updated
- December 8, 2022
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Pennsylvania #MD470979
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1316309578. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
304
Distinct HCPCS
8
Medicare allowed
$34,461
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 77 | 29 | $147 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 63 | 18 | $81 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 40 | 12 | $123 | |
G2212 |
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 36 | 22 | $32 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 33 | 13 | $100 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 25 | 25 | $180 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 17 | 17 | $178 | |
99238 |
Hospital discharge day management, 30 minutes or less | 13 | 13 | $83 |
In context: peer comparison
Among 59 peers in this city , average services per provider: 829. This provider delivers 0.4× the peer median.Open Payments
Industry payments received
All-time total
$115
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Intera Oncology, Inc | 1 | $115.06 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
106
Patients
64
Total drug cost
$1,976
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Hcl | Generic | 27 | 18 | $383 |
| Prochlorperazine Maleate | Generic | 27 | 19 | $657 |
| Loperamide (Loperamide Hcl) | Brand | 22 | 15 | $428 |
| Oxycodone Hcl | Generic | 16 | 12 | $264 |
| Dexamethasone | Generic | 14 | 0 | $244 |
Frequently asked questions
What is Dr. William Chapin's medical specialty?
Dr. William Chapin practices Hematology & Oncology Physician in Philadelphia, PA.
Where does Dr. William Chapin practice?
Dr. William Chapin practices at 3400 Civic Center Blvd, Philadelphia, PA 191045127. Office phone: 2156150063.
What is Dr. William Chapin's NPI?
Dr. William Chapin's National Provider Identifier (NPI) is 1316309578, issued by NPPES.
Does Dr. William Chapin accept Medicare assignment?
Yes. Dr. William Chapin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Chapin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.