DR. SHALLA H KHAN (M.D.) – Allergy & Immunology Physician, NPI 1114100583
Allergy & Immunology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
129 ALLERGY/IMMUNOLOGY in MD
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Provider Addresses for DR. SHALLA H KHAN (M.D.)
849, Quince Orchard Boulevard, Diamond Farms, Orchard Place, Gaithersburg, Montgomery County, Maryland, 20899, United States
SUITE B
GAITHERSBURG, MD 208781678
Phone: (301) 527-9464
Fax: (301) 527-9423
Type: Mailing
19328 ERIN TREE CT
GAITHERSBURG, MD 20879
Phone: (240) 271-0745
Fax: (301) 527-9423
Type: Mailing
604 SOLAREX COURT
SUITE 206
FREDERICK, MD 21703
Phone: (301) 663-0006
Fax: (301) 663-0688
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $22.
Total Amount is formed as General ($22) + Research ($0) + Ownership ($0) = $22.
Last reported payment date: 2023-04-27 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($22).
Total Amount
$22
General + Research + Ownership
Payments
1
Total payment records
General Amount
$22
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-04-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Regeneron Healthcare Solutions, Inc. | $22 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-10-12
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20041008000870 | I | Allergy/Immunology | DC | TBD |
| I20041012000184 | I | Allergy/Immunology | MD | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 95004 | Test for allergy using allergenic extract | 529 | 18 | $0 |
| 95165 | Professional service for preparation and provision of 1 or more antigens | 310 | 16 | $0 |
| 95117 | Professional service for multiple injections of allergen | 148 | 16 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 29 | 26 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 28 | 28 | $0 |
Insurance plans in this area (ZIP 20878)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ALLERGY/IMMUNOLOGY | MD | 94060 | Measurement and graphic recording of the amount and speed of breathed air, before and following medication administration | 20 | 13 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | VA | |
| - | VA | |
| Internal Medicine, Pulmonary Disease | MD | |
| - | VA | |
| - | MD | |
| - | VA | |
| - | VA | |
| - | MD | |
| Physician Assistant | VA | |
| Physician Assistant | MI |
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