Doctor profile · Federal record
Dr. Christopher Hannum, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Chester, PA
- NPI 1952465239
- Accepts Medicare
- 43 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
920 Yarnall St
Chester, PA 190132652
(610) 485-2200
fax (610) 485-9418
Credentials & registration
- NPI registered
- December 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Pennsylvania #MD032438E
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1952465239. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
226
Distinct HCPCS
1
Medicare allowed
$21,287
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 226 | 76 | $94 |
In context: peer comparison
Among 11 peers in this city , average services per provider: 189. This provider delivers 1.2× the peer median.Open Payments
Industry payments received
All-time total
$766
Transactions
34
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 5 | $182.66 | |
| Novo Nordisk Inc | 6 | $109.12 | |
| PFIZER INC. | 4 | $72.80 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 3 | $62.56 | |
| ABBVIE INC. | 3 | $58.47 | |
| Biogen, Inc. | 2 | $39.56 | |
| GlaxoSmithKline, LLC. | 2 | $35.56 | |
| Eisai Inc. | 1 | $35.02 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $28.29 | |
| SHIELD THERAPEUTICS INC | 1 | $27.15 | |
| Corium, LLC | 2 | $23.88 | |
| Phathom Pharmaceuticals, Inc. | 1 | $21.46 | |
| Xeris Pharmaceuticals, Inc. | 1 | $19.70 | |
| Amgen Inc. | 1 | $16.96 | |
| Optinose US, Inc. | 1 | $16.84 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,220
Patients
778
Total drug cost
$44,188
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 646 | 161 | $5,407 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 296 | 50 | $9,400 |
| Gabapentin | Generic | 248 | 47 | $6,835 |
| Atorvastatin Calcium | Generic | 228 | 68 | $3,350 |
| Ibuprofen | Generic | 201 | 44 | $2,068 |
| Azithromycin | Generic | 195 | 100 | $1,042 |
| Losartan Potassium | Generic | 187 | 43 | $3,159 |
| Omeprazole | Generic | 183 | 37 | $2,456 |
| Clonidine Hcl | Generic | 179 | 39 | $2,072 |
| Furosemide | Generic | 177 | 38 | $862 |
Frequently asked questions
What is Dr. Christopher Hannum's medical specialty?
Dr. Christopher Hannum practices Internal Medicine Physician in Chester, PA.
Where does Dr. Christopher Hannum practice?
Dr. Christopher Hannum practices at 920 Yarnall St, Chester, PA 190132652. Office phone: 6104852200.
What is Dr. Christopher Hannum's NPI?
Dr. Christopher Hannum's National Provider Identifier (NPI) is 1952465239, issued by NPPES.
Does Dr. Christopher Hannum accept Medicare assignment?
Yes. Dr. Christopher Hannum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Hannum commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.