CRYSTAL HAMMER M.D.
NPI 1164787990
Emergency Medicine in Pittsburgh, PA
About Crystal Hammer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CRYSTAL HAMMER M.D. (NPI 1164787990) is an individual emergency medicine provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MT202954) and active in the NPI registry since July 2012. She is enrolled in Medicare PECOS, is affiliated with North Hawaii Community Hospital, Inc, and is a graduate of Oregon Health Sciences University School Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses 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
Crystal Hammer M.d. 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
3Medicare enrollment records show Crystal Hammer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kamuela, HI 96743
- Reassigned Medicare billing, Hawaii enrollment
- 277 clinicians in this Medicare group
Kailua, HI 96734
- Reassigned Medicare billing, Hawaii enrollment
- 206 clinicians in this Medicare group
Kailua, HI 96734
- Reassigned Medicare billing, Hawaii enrollment
- 33 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 7
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Hawaii Community Hospital, Inc
Acute Care Hospitals · Kamuela, HIKohala Hospital
Critical Access Hospitals · Kapaau, HIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 15212 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PITTSBURGH, PA 15212
PITTSBURGH, PA 15212
PITTSBURGH, PA 15212
PITTSBURGH, PA 15212
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 Crystal Hammer's NPI number?
The NPI number for Crystal Hammer is 1164787990. It was assigned to this individual provider in the NPPES registry on July 9, 2012.
Where is Crystal Hammer located?
Crystal Hammer practices at 320 E North Ave, Pittsburgh, PA 15212. The listed phone number is (412) 359-3131.
What is Crystal Hammer's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Crystal Hammer enrolled in Medicare?
Yes. Crystal Hammer 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 Crystal Hammer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Crystal Hammer reassigns Medicare benefits to 3 organizations: Queens North Hawaii Community Hospital (Kamuela, HI), Hawaii Emergency Physicians Associated Inc (Kailua, HI) and Midpacific Hospitalists LLC (Kailua, HI). 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 Crystal Hammer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Crystal Hammer accept?
Health plans from Kaiser Permanente list Crystal Hammer 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 Crystal Hammer affiliated with any hospitals?
According to CMS data, Crystal Hammer is affiliated with North Hawaii Community Hospital, Inc and Kohala Hospital.
When was this NPI record last updated?
The NPPES record for Crystal Hammer was last updated on July 9, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.
# Crystal Hammer, M.D. · NPI 1164787990
Emergency Medicine physician in Pittsburgh, Pennsylvania. Individual provider, active in the CMS NPPES registry since July 9, 2012.
## Identity
- **NPI:** 1164787990 (Entity type: Individual)
- **Enumerated:** July 9, 2012
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MT202954 (Pennsylvania)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 320 E NORTH AVE, Pittsburgh, PA 15212
- **Phone:** (412) 359-3131
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Queens North Hawaii Community Hospital (NPI 1124009584, Kamuela, HI); Hawaii Emergency Physicians Associated Inc (NPI 1801843198, Kailua, HI); Midpacific Hospitalists LLC (NPI 1053778217, Kailua, HI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oregon Health Sciences University School Of Medicine, class of 2012
## Record status
- **NPPES last updated:** July 9, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1164787990) · Data from the CMS NPPES public registry.