Doctor profile · Federal record
Dr. Marissa Blum, MD
Rheumatology Physician (CMS: Rheumatology) · Philadelphia, PA
- NPI 1316080229
- Accepts Medicare
- MIPS 85.5 / 100 · 2023
- 22 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3401 N Broad St
Philadelphia, PA 191405103
(215) 707-4600 - Additional location
-
3737 Market St, 8Th Fl
Philadelphia, PA 19104
(215) 662-4333 - Mailing address
-
3500 N Broad St Rm 1Ana
Philadelphia, PA 191404106
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- December 14, 2023
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- Pennsylvania #MD431822
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1316080229. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
504
Distinct HCPCS
9
Medicare allowed
$67,935
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 226 | 154 | $136 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 78 | 62 | $97 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 42 | 32 | $101 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 38 | 33 | $192 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 36 | 36 | $178 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 27 | 27 | $139 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 26 | 15 | $82 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 17 | 17 | $223 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 14 | 14 | $136 |
In context: peer comparison
Among 31 peers in Philadelphia Rheumatology Physician, average services per provider: 860. This provider delivers 0.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
843
Patients
181
Total drug cost
$693,393
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydroxychloroquine Sulfate | Generic | 185 | 47 | $10,825 |
| Prednisone | Generic | 100 | 23 | $914 |
| Alendronate Sodium | Generic | 86 | 27 | $922 |
| Gabapentin | Generic | 62 | 14 | $804 |
| Methotrexate (Methotrexate Sodium) | Brand | 58 | 20 | $2,719 |
| Celecoxib | Generic | 54 | 16 | $1,245 |
| Meloxicam | Generic | 40 | 15 | $93 |
| Methylprednisolone | Generic | 40 | 19 | $1,358 |
| Humira Pen (Adalimumab) | Brand | 38 | 0 | $285,771 |
| Duloxetine Hcl | Generic | 34 | 0 | $801 |
Hospital affiliations
Frequently asked questions
What is Dr. Marissa Blum's medical specialty?
Dr. Marissa Blum practices Rheumatology Physician in Philadelphia, PA.
Where does Dr. Marissa Blum practice?
Dr. Marissa Blum practices at 3401 N Broad St, Philadelphia, PA 191405103. Office phone: 2157074600.
What is Dr. Marissa Blum's NPI?
Dr. Marissa Blum's National Provider Identifier (NPI) is 1316080229, issued by NPPES.
Does Dr. Marissa Blum accept Medicare assignment?
Yes. Dr. Marissa Blum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marissa Blum commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.