Mariam Khan, MD
NPI 1346411824 · Rheumatology Physician · Harrisburg, PA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariam Khan, MD is a Rheumatology Physician provider in Harrisburg, PA (NPI 1346411824).
Provider details
- NPI number
- 1346411824
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 57.014380 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
328 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 194 | $120 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 108 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 26 | $83 |
Typical Medicare-allowed amounts for these services range $15–$120 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 384 | 123 |
| Methotrexate Sodiumbrand: Methotrexate | 155 | 58 |
| Prednisone | 118 | 48 |
| Gabapentin | 92 | 35 |
| Duloxetine Hcl | 84 | 25 |
| Allopurinol | 69 | 15 |
| Sulfasalazinebrand: Sulfasalazine Dr | 69 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-03-12
- Last updated
- 2020-12-10
- Certified
- 2020-12-10
Frequently asked questions
- What is Mariam Khan's NPI number?
- Mariam Khan's National Provider Identifier (NPI) is 1346411824, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariam Khan's specialty?
- Mariam Khan is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Mariam Khan located?
- Mariam Khan's practice location on file with NPPES is 810 Sir Thomas Ct Ste 101, Harrisburg, PA 17109-4839.
- What is Mariam Khan's phone number?
- The practice phone number listed in the NPPES registry for Mariam Khan is (717) 614-4420.
- Does Mariam Khan accept Medicare?
- Mariam Khan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariam Khan's NPI active?
- Yes — Mariam Khan's NPI (1346411824) is active in the NPPES registry as of the last update on 2020-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.