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DR. CHRISTOPHER JOSEPH HAMMOND M.D.
NPI 1023244316
Psychiatry & Neurology - Child & Adolescent Psychiatry in Baltimore, MD

Active since June 01, 2009PECOS Enrolled
74.39/100
CMS Quality Rating
5500 E LOMBARD ST, BALTIMORE, MD 21224(410) 550-0018(410) 550-1302 Get Directions Write a Review

NPPES record last updated: May 12, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Christopher Joseph Hammond M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHRISTOPHER JOSEPH HAMMOND M.D. (NPI 1023244316) is an individual child & adolescent psychiatry provider in Baltimore, Maryland, licensed in Maryland (D79939) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, maintains a secondary practice location in New Haven, and is a graduate of University Of Florida College Of Medicine (2009).

NPPES Registry Identity

NPI1023244316
Entity TypeIndividualMale
Primary Taxonomy2084P0804X
Provider Legal NameDR. CHRISTOPHER JOSEPH HAMMONDCredential: M.D.
Location Address5500 E LOMBARD STBaltimore, MD 21224-1731
Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (410) 933-6423 · Fax (203) 688-5599
Phone(410) 550-0018
Fax(410) 550-1302
Sole ProprietorNo
Medical School CMSUniversity Of Florida College Of MedicineGraduated 2009
Enumeration DateJune 1, 2009
Last NPPES UpdateMay 12, 2022
NPPES CertifiedMay 12, 2022
✔ NPI 1023244316 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
Licenses✔ Licensed in MD · D79939✔ Licensed in CT · 50279
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
5500 E LOMBARD ST, Baltimore, MD 21224
Open in Google Maps ↗

Secondary Practice Location 1

Location 120 York St # T-209, Yale-New Haven HospitalNew Haven, CT 06510-3220 · Phone (203) 688-2259 · Fax (203) 688-5599

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Christopher Joseph Hammond M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8123288933
PECOS Enrollment IDI20151104002033
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Christopher Hammond reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Johns Hopkins University
0.2 mi
Clinical
5510 NATHAN SHOCK DR
Baltimore, MD 21224
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group
NPI 1881678878 (410) 550-0051

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

74.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.71
Promoting Interoperability97
Improvement Activities40
Cost52.43

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MICHELLE SCHNABEL HORNER D.O.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
5500 E LOMBARD ST
BALTIMORE, MD 21224
Baltimore City (410) 550-0091
JOHNS HOPKINS UNIVERSITY
Counselor (Mental Health)
5500 E LOMBARD ST
BALTIMORE, MD 21224
Baltimore City (410) 550-0104
HECTOR OPULENCIA LCPC
Counselor (Professional)
5500 E LOMBARD ST
BALTIMORE, MD 21224
Baltimore City (410) 550-5840
JOHNS HOPKINS BAYVIEW MED CTR INC
Clinic/Center (Mental Health (Including Community Mental Health Center))
5500 E LOMBARD ST
BALTIMORE, MD 21224
Baltimore City (410) 550-0070
TIFFANY RENE ADAMS LCSW-C
Social Worker (Clinical)
5500 E LOMBARD ST
BALTIMORE, MD 21224
Baltimore City (104) 550-0019
PARAMITA DUTTA RAY
Student in an Organized Health Care Education/Training Program
5500 E LOMBARD ST
BALTIMORE, MD 21224
Baltimore City (410) 550-0104
JOHNS HOPKINS BAYVIEW MEDICAL CENTER
Community/Behavioral Health
5500 E LOMBARD ST
BALTIMORE, MD 21224
Baltimore City (410) 550-0070
T'KEYAH ALYSIA MYERS LCPC
Counselor (Mental Health)
5500 E LOMBARD ST
BALTIMORE, MD 21224
Baltimore City (410) 550-9620

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 Christopher Hammond's NPI number?

The NPI number for Christopher Hammond is 1023244316. It was assigned to this individual provider in the NPPES registry on June 1, 2009.

Where is Christopher Hammond located?

Christopher Hammond practices at 5500 E Lombard St, Baltimore, MD 21224. The listed phone number is (410) 550-0018.

What is Christopher Hammond's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Christopher Hammond enrolled in Medicare?

Yes. Christopher Hammond is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Christopher Hammond's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Hammond reassigns Medicare benefits to Johns Hopkins University (Baltimore, MD). The 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 Christopher Hammond's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Christopher Hammond was last updated on May 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.