1. Home
  2. Directory
  3. Connecticut
  4. Hamden
  5. Internal Medicine
  6. NPI Profile

KARL MICHAEL LANGBERG M.D.
NPI 1285070730
Internal Medicine - Gastroenterology in Hamden, CT

Active since May 10, 2013PECOS EnrolledAccepts Medicare Assignment
90.74/100
CMS Quality Rating
2200 WHITNEY AVE STE 360, HAMDEN, CT 06518(203) 281-4463(203) 287-2930 Get Directions Write a Review

NPPES record last updated: May 27, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 27, 2021, Oct 8, 2020, Jun 15, 2020 (3 updates tracked since 2020).

About Karl Michael Langberg M.d. NPPES

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

KARL MICHAEL LANGBERG M.D. (NPI 1285070730) is an individual gastroenterology provider in Hamden, Connecticut, licensed in Connecticut (55158) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS and is a graduate of Emory University School Of Medicine (2013).

NPPES Registry Identity

NPI1285070730
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameKARL MICHAEL LANGBERGCredential: M.D.
Location Address2200 WHITNEY AVE STE 360Hamden, CT 06518-3602
Mailing Address2200 Whitney Ave Ste 360Hamden, CT 06518-3602 · (203) 281-4463 · Fax (203) 287-2930
Phone(203) 281-4463
Fax(203) 287-2930
Sole ProprietorNo
Medical School CMSEmory University School Of MedicineGraduated 2013
Enumeration DateMay 10, 2013
Last NPPES UpdateMay 27, 20213 updates tracked since enumeration
NPPES CertifiedMay 27, 2021
✔ NPI 1285070730 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CT · 55158
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
2200 WHITNEY AVE STE 360, Hamden, CT 06518
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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

Karl Michael Langberg 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.

PECOS PAC ID7719279124
PECOS Enrollment IDI20160705002005
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 Reassignments

2

Medicare enrollment records show Karl Langberg reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mill Hill Medical Consultants Inc
5.3 mi
Hospitalist
20 YORK ST, CB 2041
New Haven, CT 06510
  • Reassigned Medicare billing, Connecticut enrollment
  • Medicare enrollment name: Northeast Medical Group Inc
  • 1,824 clinicians in this Medicare group
NPI 1952624769 (203) 688-4741
Hhc Physician Services, PLLC
8.1 mi
Physical Medicine & Rehabilitation
322 E MAIN ST STE 1B
Branford, CT 06405
  • Reassigned Medicare billing, Connecticut enrollment
  • 156 clinicians in this Medicare group
NPI 1609530237 (203) 488-7228

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 9

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.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
54 services54 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
52 services45 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
43 services41 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
38 services33 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
22 services22 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
22 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06518 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

90.74/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.27
Promoting Interoperability100
Improvement Activities40
Cost58.92

Other Providers at the Same Location NPPES 12

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

JOSEPH DANIEL SOUCY
Internal Medicine (Gastroenterology)
2200 WHITNEY AVE STE 360
HAMDEN, CT 06518
South Central Connecticut Planning Region (203) 281-4463
TAI HANG HO M.D.
Internal Medicine (Gastroenterology)
2200 WHITNEY AVE STE 360
HAMDEN, CT 06518
South Central Connecticut Planning Region (203) 281-4463
DAVID GRIFFIN PA-C
Physician Assistant
2200 WHITNEY AVE STE 360
HAMDEN, CT 06518
South Central Connecticut Planning Region (203) 281-4463
DR. DOUGLAS J GRUNWALD MD
Internal Medicine (Gastroenterology)
2200 WHITNEY AVE STE 360
HAMDEN, CT 06518
South Central Connecticut Planning Region (203) 281-4463
MRS. GRACE MARIE QUEIROZ PA-C
Physician Assistant
2200 WHITNEY AVE STE 360
HAMDEN, CT 06518
South Central Connecticut Planning Region (203) 281-4463
ERIN OROZCO FNP
Nurse Practitioner (Family)
2200 WHITNEY AVE STE 360
HAMDEN, CT 06518
South Central Connecticut Planning Region (203) 281-4463
DANIEL HELBURN MD
Internal Medicine (Gastroenterology)
2200 WHITNEY AVE STE 360
HAMDEN, CT 06518
South Central Connecticut Planning Region (203) 281-4463
DR. BENIGNO RAFAEL VARELA
Internal Medicine (Gastroenterology)
2200 WHITNEY AVE STE 360
HAMDEN, CT 06518
South Central Connecticut Planning Region (203) 281-4463

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 Karl Langberg's NPI number?

The NPI number for Karl Langberg is 1285070730. It was assigned to this individual provider in the NPPES registry on May 10, 2013.

Where is Karl Langberg located?

Karl Langberg practices at 2200 Whitney Ave Ste 360, Hamden, CT 06518. The listed phone number is (203) 281-4463.

What is Karl Langberg's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Karl Langberg enrolled in Medicare?

Yes. Karl Langberg 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 Karl Langberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karl Langberg reassigns Medicare benefits to 2 organizations: Mill Hill Medical Consultants Inc (New Haven, CT) and Hhc Physician Services, PLLC (Branford, CT). 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 Karl Langberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karl Langberg accept?

Health plans from Anthem Blue Cross and Blue Shield list Karl Langberg 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.

When was this NPI record last updated?

The NPPES record for Karl Langberg was last updated on May 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.