JOHN HANNA
NPI 1508804873
Anesthesiology in Rockville, MD
About John Hanna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN HANNA (NPI 1508804873) is an individual anesthesiology provider in Rockville, Maryland, licensed in Maryland (D34338) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Inova Loudoun Hospital, and is a graduate of Hahnemann University College Of Medicine (1981).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John Hanna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show John Hanna reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 455 clinicians in this Medicare group
Fairfax, VA 22033
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 318 clinicians in this Medicare group
Columbia, MD 21046
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 717 clinicians in this Medicare group
Midlothian, VA 23113
- Reassigned Medicare billing, Maryland and Virginia enrollments
- 16 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inova Loudoun Hospital
Acute Care Hospitals · Leesburg, VAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Hanna's NPI number?
The NPI number for John Hanna is 1508804873. It was assigned to this individual provider in the NPPES registry on June 2, 2006.
Where is John Hanna located?
John Hanna practices at 14820 Physicians Ln 242, Rockville, MD 20850. The listed phone number is (301) 838-9606.
What is John Hanna's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Hanna enrolled in Medicare?
Yes. John Hanna is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Hanna's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Hanna reassigns Medicare benefits to 4 organizations: American Anesthesiology Of Virginia PC (Falls Church, VA), Inova Cares - Community (Fairfax, VA), First Colonies Anesthesia Associates, LLC (Columbia, MD) and Anesthesia Connections-Virginia, LLC (Midlothian, VA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Hanna's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Hanna accept?
Health plans from Oscar Health and Oscar Insurance Company list John Hanna as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Hanna affiliated with any hospitals?
According to CMS data, John Hanna is affiliated with Inova Loudoun Hospital.
When was this NPI record last updated?
The NPPES record for John Hanna was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# John Hanna · NPI 1508804873
Anesthesiology physician in Rockville, Maryland. Individual provider, active in the CMS NPPES registry since June 2, 2006.
## Identity
- **NPI:** 1508804873 (Entity type: Individual)
- **Enumerated:** June 2, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** D34338 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 14820 PHYSICIANS LN, 242, Rockville, MD 20850-3945
- **Phone:** (301) 838-9606
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): American Anesthesiology Of Virginia PC (NPI 1417994872, Falls Church, VA); Inova Cares - Community (NPI 1861131906, Fairfax, VA); First Colonies Anesthesia Associates, LLC (NPI 1740218767, Columbia, MD); Anesthesia Connections-Virginia, LLC (NPI 1922337930, Midlothian, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Hahnemann University College Of Medicine, class of 1981
## Record status
- **NPPES last updated:** July 13, 2026
- **Other identifiers:** Medicaid 284871601 (MD); Other 601285800
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Source: [NPI Profile](https://npiprofile.com/npi/1508804873) · Data from the CMS NPPES public registry.