Doctor profile · Federal record
Dr. Robert Chalfin, MD
Internal Medicine Physician (CMS: Internal Medicine) · Warminster, PA
- NPI 1841295318
- Accepts Medicare
- 32 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
225 Newtown RD, Ground Floor
Warminster, PA 189745221
(215) 441-6789
fax (215) 441-6620
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- July 14, 2014
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Pennsylvania #MD0623406
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841295318. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,277
Distinct HCPCS
10
Medicare allowed
$204,112
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 608 | 272 | $90 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 395 | 110 | $110 | |
99497 |
Advance care planning, first 30 minutes | 246 | 216 | $71 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 193 | 78 | $77 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 190 | 190 | $38 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 128 | 95 | $70 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 102 | 79 | $187 | |
G0008 |
Administration of influenza virus vaccine | 66 | 66 | $29 | |
90662 |
Influenza vaccine split virus, preservative free | 64 | 64 | $72 | |
99349 |
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | 46 | 38 | $99 |
In context: peer comparison
Among 3 peers in Warminster Internal Medicine Physician, average services per provider: 115. This provider delivers 20× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
6,448
Patients
1,331
Total drug cost
$278,674
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 902 | 211 | $13,391 |
| Levothyroxine Sodium | Generic | 841 | 153 | $13,666 |
| Amlodipine Besylate | Generic | 603 | 145 | $5,088 |
| Furosemide | Generic | 561 | 112 | $3,414 |
| Losartan Potassium | Generic | 499 | 112 | $9,430 |
| Eliquis (Apixaban) | Brand | 483 | 55 | $189,128 |
| Metoprolol Succinate | Generic | 393 | 85 | $9,095 |
| Gabapentin | Generic | 345 | 79 | $6,453 |
| Lisinopril | Generic | 303 | 69 | $3,530 |
| Sertraline Hcl | Generic | 301 | 49 | $4,173 |
Hospital affiliations
Frequently asked questions
What is Dr. Robert Chalfin's medical specialty?
Dr. Robert Chalfin practices Internal Medicine Physician in Warminster, PA.
Where does Dr. Robert Chalfin practice?
Dr. Robert Chalfin practices at 225 Newtown RD, Warminster, PA 189745221. Office phone: 2154416789.
What is Dr. Robert Chalfin's NPI?
Dr. Robert Chalfin's National Provider Identifier (NPI) is 1841295318, issued by NPPES.
Does Dr. Robert Chalfin accept Medicare assignment?
Yes. Dr. Robert Chalfin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Chalfin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Advance care planning (HCPCS 99497). Source: CMS Medicare Physician & Other Practitioners file.