Doctor profile · Federal record
Dr. Joshua Keller, M.D.
Rheumatology Physician (CMS: Rheumatology) · Portland, ME
- NPI 1578975439
- Accepts Medicare
- MIPS 93.1 / 100 · 2023
- 12 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
51 Sewall St
Portland, ME 041022643
(207) 774-5761
Credentials & registration
- NPI registered
- May 2014 — 12 yrs on file
- Profile last updated
- September 30, 2021
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- Maine #MD21587
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578975439. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
12,039
Distinct HCPCS
10
Medicare allowed
$224,393
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J1602 |
Injection, golimumab, 1 mg, for intravenous use | 9,650 | 11 | $13 | |
36415 |
Insertion of needle into vein for collection of blood sample | 380 | 154 | $8 | |
80053 |
Blood test, comprehensive group of blood chemicals | 240 | 98 | $10 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 238 | 99 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 210 | 101 | $127 | |
86140 |
Measurement c-reactive protein for detection of infection or inflammation | 204 | 109 | $5 | |
85651 |
Red blood cell sedimentation rate, to detect inflammation, non-automated | 195 | 107 | $4 | |
J7050 |
Infusion, normal saline solution, 250 cc | 162 | 26 | $1 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 125 | 85 | $90 | |
96413 |
Administration of chemotherapy into vein, 1 hour or less | 108 | 16 | $132 |
In context: peer comparison
Among 2 peers in Portland Rheumatology Physician, average services per provider: 321. This provider delivers 38× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,353
Patients
414
Total drug cost
$799,747
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 415 | 163 | $5,377 |
| Methotrexate (Methotrexate Sodium) | Brand | 235 | 82 | $12,381 |
| Hydroxychloroquine Sulfate | Generic | 155 | 48 | $17,281 |
| Allopurinol | Generic | 117 | 35 | $2,538 |
| Alendronate Sodium | Generic | 87 | 28 | $1,098 |
| Methylprednisolone | Generic | 51 | 19 | $2,530 |
| Colchicine | Generic | 49 | 25 | $8,972 |
| Humira(Cf) Pen (Adalimumab) | Brand | 42 | 0 | $363,801 |
| Folic Acid | Generic | 39 | 14 | $276 |
| Enbrel Sureclick (Etanercept) | Brand | 36 | 0 | $273,284 |
Hospital affiliations
Frequently asked questions
What is Dr. Joshua Keller's medical specialty?
Dr. Joshua Keller practices Rheumatology Physician in Portland, ME.
Where does Dr. Joshua Keller practice?
Dr. Joshua Keller practices at 51 Sewall St, Portland, ME 041022643. Office phone: 2077745761.
What is Dr. Joshua Keller's NPI?
Dr. Joshua Keller's National Provider Identifier (NPI) is 1578975439, issued by NPPES.
Does Dr. Joshua Keller accept Medicare assignment?
Yes. Dr. Joshua Keller accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joshua Keller commonly perform?
Top Medicare-reported procedures in 2023: Injection, golimumab, 1 mg, for intravenous use (HCPCS J1602); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.