Dr. Christopher Gresham Langhammer, MD, PhD

  • Baltimore, MD
  • Orthopaedic hand surgery physician
NPI1699031351PAC ID4981999406
Medicare services, 2024
101
Medicare patients, 2024
122
Part D claims, 2024
19
Hospital affiliations
4
Industry payments
$2,760
Practice address
351 W Camden St, Baltimore, MD 21201
Practice phone
Call (410) 541-7800
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

University of Maryland Orthopaedics at Camden Yards

Baltimore, Maryland

See all 9 affiliations

Find Dr. Langhammer's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Christopher Gresham Langhammer is an orthopaedic hand surgery physician in Baltimore, Maryland

Dr. Langhammer practices at University of Maryland Orthopaedics at Camden Yards in Baltimore, Maryland.

Dr. Langhammer's NPI, 1699031351, was assigned on April 6, 2012. Dr. Langhammer holds Massachusetts license 270305.

NPI and contact details
Medicare PAC ID
4981999406
NPI enumeration date
April 6, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(410) 541-7800
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
40
Medical school graduation
2012

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Christopher Gresham Langhammer practices at University of Maryland Orthopaedics at Camden Yards in Baltimore, Maryland

Dr. Langhammer's primary practice is University of Maryland Orthopaedics at Camden Yards, at 351 W Camden St, Baltimore, MD 21201 in Baltimore City. The practice phone is (410) 541-7800.

  • University of Maryland Orthopaedics at Camden Yards
    351 W Camden St, Baltimore, MD 21201 · Baltimore CityPhone(410) 541-7800

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Christopher Gresham Langhammer is affiliated with 7 sites of care and 2 medical groups

Dr. Langhammer's primary practice is University of Maryland Orthopaedics at Camden Yards in Baltimore, Maryland. Dr. Langhammer is also affiliated with University of Maryland Medical Center. The medical group on file is University of Maryland Orthopaedics. Dmand AI also links Dr. Langhammer to 3 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 9 affiliations for Dr. Langhammer

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Christopher Gresham Langhammer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Langhammer practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
University of Maryland Orthopaedics at Camden YardsAvailable with a free account
+6 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Langhammer practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Christopher Gresham Langhammer is one of 60 orthopaedic hand surgery physicians in Maryland

Hand surgery is Dr. Langhammer's primary specialty in the NPI Registry, under taxonomy code 207XS0106X. Dmand AI has Dr. Langhammer's licenses on file in 2 states: Massachusetts and California.

Specialties and state licenses

  • Orthopaedic hand surgery, MassachusettsPrimaryLicense 270305 · taxonomy 207XS0106X
  • California licenseLicense A128855

Orthopaedic hand surgery physicians near Dr. Langhammer

Counts of orthopaedic hand surgery physicians with a Dmand AI profile, by place and practice. Each opens the list.

60orthopaedic hand surgery physicians in Maryland
7orthopaedic hand surgery physicians in Baltimore

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Christopher Gresham Langhammer billed Medicare for 101 services in 2024

CMS data shows 101 Medicare services from Dr. Langhammer across 2 procedure codes in 2024, all of them office visits, for 122 Medicare patients. Medicare paid $11,057 for them. Every service was in an office.

Medicare services, 2024101
Medicare patients122
Paid by Medicare$11,057
Procedure codes2

Dr. Langhammer's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 872024: 10116%

Dr. Langhammer compared with the Maryland median for orthopaedic hand surgery physicians, 2024

  • Dr. Langhammer
  • Maryland median
Medicare services
101vs 2,68296% below
Medicare patients
122vs 61180% below
Part D claims
33vs 7355% below

Medians across 56 orthopaedic hand surgery physicians in Maryland with Dmand AI profiles that report each measure.

Dr. Langhammer's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Langhammer

Need commercial claims for Dr. Langhammer?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Langhammer and other orthopaedic hand surgery physicians in Maryland.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Christopher Gresham Langhammer treated 122 Medicare patients in 2024, average age 68

CMS counts 122 Medicare patients who saw Dr. Langhammer in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.32, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Langhammer's median patient age at 52, with 39% women.

Medicare patients, 2024122
Average age68
Average risk score1.32
Also on Medicaid32%

Dr. Langhammer's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Langhammer's Medicare patients by sex, 2024

  • Women6856%
  • Men5444%

Chronic conditions among Dr. Langhammer's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis64%
  4. Mood disorders41%
  5. Anxiety37%
  6. Depression34%
  7. Diabetes33%
  8. Ischemic heart disease29%

Share of Medicare patients with each condition. A patient can have several.

Dr. Langhammer's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 52

Patient panel by sex, all payers

  • Women39%
  • Men60%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Christopher Gresham Langhammer wrote 19 Medicare Part D claims in 2024

In 2024, Dr. Langhammer wrote 19 Medicare Part D claims for 15 patients. 100% of them were for generic drugs. They cover 1 drug, with $112 in total drug cost. In 2017, CMS named 28 claims across 1 drug.

Part D claims, 202419
Drugs named by CMS1
Total drug cost$112
Part D patients15

Dr. Langhammer's most prescribed drugs by claims, 2018

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2017 to 2018

  • 2017
  • 2018
Claims for drugs CMS names
2017: 282018: 3318%

Drugs named by CMS: 1 in 2018, 1 in 2017.

See all prescribing by Dr. Langhammer

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Christopher Gresham Langhammer ranks in the 65th percentile for removal of tissue in Medicare

Dr. Langhammer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 14 procedures of removal of tissue by Dr. Langhammer, more than 65% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Langhammer ranks in Medicare procedure volume

Removal of tissue
65th percentile14 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find orthopaedic hand surgery physicians like Dr. Langhammer by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Christopher Gresham Langhammer received $2,760 in industry payments from 2017 to 2025

CMS Open Payments shows 25 general payments to Dr. Langhammer from 7 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 44% of the total. Medical Device Business Services, Inc. paid the most, $1,220.

General payments to Dr. Langhammer by program year, 2017 to 2025

General payments to Dr. Langhammer by kind, 2017 to 2025

$2.8Kin total
  • Food and beverage$1,20444%
  • Travel and lodging$1,03538%
  • Consulting fees$52019%

Companies that paid Dr. Langhammer the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Langhammer

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Christopher Gresham Langhammer's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Christopher Gresham Langhammer

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Christopher Gresham Langhammer's NPI number?

Dr. Christopher Gresham Langhammer's NPI number is 1699031351. It was assigned on April 6, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Christopher Gresham Langhammer?

Dr. Christopher Gresham Langhammer is an orthopaedic hand surgery physician in Baltimore, Maryland. The primary specialty in the NPI Registry is Orthopaedic Hand Surgery Physician (taxonomy code 207XS0106X).

Where does Dr. Christopher Gresham Langhammer practice?

Dr. Langhammer practices at 351 W Camden St, Baltimore, MD 21201. Dr. Langhammer's primary practice is University of Maryland Orthopaedics at Camden Yards in Baltimore, Maryland. Dmand AI also links Dr. Langhammer to 3 hospitals, 2 group practices and clinics and 1 medical group.

What is Dr. Christopher Gresham Langhammer's office phone number?

The practice phone on file for Dr. Langhammer is (410) 541-7800.

What is Dr. Christopher Gresham Langhammer's medical license number?

Dr. Langhammer holds Massachusetts license 270305, one of the licenses on file in 2 states.

Which states has Dr. Christopher Gresham Langhammer been licensed in?

Dmand AI has state licenses on file for Dr. Langhammer in Massachusetts and California.

Which hospitals is Dr. Christopher Gresham Langhammer affiliated with?

Dr. Langhammer is affiliated with University of Maryland Medical Center. Dmand AI links Dr. Langhammer to 3 more hospitals.

What medical group is Dr. Christopher Gresham Langhammer part of?

Dr. Langhammer is linked to University of Maryland Orthopaedics. Dmand AI links Dr. Langhammer to 1 more medical group.

Does Dr. Christopher Gresham Langhammer accept Medicare?

Yes. CMS data shows Dr. Langhammer billed Medicare for 101 services in 2024, and Dr. Langhammer accepts Medicare assignment.

How many Medicare patients does Dr. Christopher Gresham Langhammer see?

CMS counts 122 Medicare patients who saw Dr. Langhammer in 2024, with an average age of 68.

Show 4 more questionsShow fewer questions

What services does Dr. Christopher Gresham Langhammer bill to Medicare?

In 2024, Dr. Langhammer's most billed Medicare services were office visit, established patient (99214) and office visit, new patient (99204).

What drugs does Dr. Christopher Gresham Langhammer prescribe most?

In 2018 Medicare Part D data, Dr. Langhammer's most prescribed drugs by claims were Oxycodone HCl.

Has Dr. Christopher Gresham Langhammer received payments from drug or device companies?

CMS Open Payments shows $2,760 in general payments to Dr. Langhammer from 7 companies from 2017 to 2025. The largest total came from Medical Device Business Services, Inc.

How long has Dr. Christopher Gresham Langhammer been practicing?

Dr. Langhammer graduated from medical school in 2012, 14 years ago.

Selling to hand surgery practices?

See orthopaedic hand surgery physicians in Maryland by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)