KAREN DE CASTRO DAH M.D.
NPI 1730467804
Internal Medicine - Nephrology in Salisbury, MD

NPI Status: Active since July 23, 2011

Contact Information

1821 SWEETBAY DR STE 1
SALISBURY, MD
ZIP 21804
Phone: (410) 546-4427

NPI Profile Information
Primary Taxonomy
Secondary Locations
Medicare Participation & PECOS Status
Areas of Expertise
Physician Visit Costs
Quality Reporting
Hospital Affiliations - Privileges
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Years of Experience 15
Internal Medicine
Nephrology
Accepts Medicare Approved Payment
PECOS Enrolled
Medicare Quality Reporting

About KAREN DAH

This page provides the complete NPI Profile along with additional information for Karen Dah, an internist established in Salisbury, Maryland with a medical specialization in Internal Medicine, focusing in nephrology and more than 15 years of experience. The healthcare provider is registered in the NPI registry with number 1730467804 assigned on July 2011. The practitioner's primary taxonomy code is 207RN0300X with license number D82637 (MD). The provider is registered as an individual and her NPI record was last updated 7 years ago.

NPI: 1730467804
Provider Name: KAREN DE CASTRO DAH M.D.
Gender: Female
Entity Type: Individual
Location Address: 1821 SWEETBAY DR STE 1 SALISBURY, MD 21804
Location Phone: (410) 546-4427
Mailing Address: 412 E NORTH POINTE DR APT 430 SALISBURY, MD 21804
Mailing Phone: (845) 707-5914
Medical School Name: OTHER
Graduation Year: 2011
Is Sole Proprietor?: Yes
Enumeration Date: 07-23-2011
Last Update Date: 06-19-2019
Code Navigator

An internist like Karen Dah is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Secondary Locations

1425 Portland Ave
Rochester, NY 14621
(585) 922-4000

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification: Internal Medicine Nephrology
Taxonomy Code: 207RN0300X
Type: Allopathic & Osteopathic Physicians
License No.: D82637
License State: MD
Taxonomy Description: An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Medicare Participation & PECOS Enrollment Status

Karen Dah is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Karen Dah is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

Is the provider registered in PECOS? Yes
PECOS PAC ID: 7810271863
What is the PECOS Associate Control ID?
A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.
PECOS Enrollment ID: I20220323002067
What is the Provider Enrollment ID?
The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.
Accepts Medicare Assignment? Yes
What does it mean "accepts medicare assignment"?
When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month
Dialysis services, 1 physician visit per month (20 years or older)
Dialysis services, 2-3 physician visits per month (20 years or older)
Dialysis services, 4 or more physician visits per month (20 years or older)
Established patient office or other outpatient visit, 30-39 minutes
Follow-up hospital inpatient care per day, typically 25 minutes
Hemodialysis procedure with physician evaluation
Home dialysis services per month (20 years or older)
Initial hospital inpatient care per day, typically 50 minutes
New patient office or other outpatient visit, 45-59 minutes

Physician Visit Costs

The typical physician office visit costs for Medicare beneficiaries in this area are: $33.26 for a new patient copayment and $25.52 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 21804 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

Average New Patient Price $133.05
Minimum New Patient Price $57.99
Maximum New Patient Price $175.57

Average New Patient Copayment $33.26
Minimum New Patient Copayment $14.49
Maximum New Patient Copayment $43.89

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

Average Established Patient Price $102.11
Minimum Established Patient Price $18.66
Maximum Established Patient Price $143.02

Average Established Patient Copayment $25.52
Minimum Established Patient Copayment $4.66
Maximum Established Patient Copayment $35.75

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Quality Reporting

The provider participated in CMS Quality Payment Program. The Quality Payment Program aims to improve population health, reduce costs and improve the care received by Medicare beneficiaries. The following quality measures meet Medicare's statistical reporting standards. Not all providers report the same information, because not all providers give the same services to patients. The quality information is just a snapshot of some the care providers give to their patients. Reporting more or less information is not a reflection of quality.

Quality Measure	Performance	Number of Patients
Care Plan	83%	307
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker or provide an advance care plan
Diabetes: Medical Attention for Nephropathy	98%	86
The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period
Documentation of Current Medications in the Medical Record	98%	929
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter. This list must include ALL known prescriptions, over-the-counters, herbals, and vitamin/mineral/dietary (nutritional) supplements AND must contain the medications' name, dosage, frequency and route of administration
Implementation of Use of Specialist Reports Back to Referring Clinician or Group to Close Referral Loop	Yes	N/A
Performance of regular practices that include providing specialist reports back to the referring individual MIPS eligible clinician or group to close the referral loop or where the referring individual MIPS eligible clinician or group initiates regular inquiries to specialist for specialist reports which could be documented or noted in the EHR technology.
Pneumococcal Vaccination Status for Older Adults	7%	307
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan	16%	491
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous twelve months of the current encounter Normal Parameters: Age 18 years and older BMI >= 18.5 and < 25 kg/m2
Preventive Care and Screening: Influenza Immunization	1%	547
Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization
TCPI Participation	Yes	N/A
Participation in the CMS Transforming Clinical Practice Initiative
Use of High-Risk Medications in the Elderly	0% "Inverse Quality Measure" This is an inverse quality measure, a lower rate means the provider is rated better.	307
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication. 2) Percentage of patients who were ordered at least two of the same high-risk medication

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Karen Dah is affiliated with the following medical facilities:

Hospital Name	Address	Phone	Hospital Type
UNIVERSITY OF MD CAPITAL REGION MEDICAL CENTER	901 NORTH HARRY S TRUMAN DRIVE UPPER MARLBORO, MD 20774	(301) 618-2000	Acute Care Hospitals
HOLY CROSS HOSPITAL	1500 FOREST GLEN ROAD SILVER SPRING, MD 20910	(301) 754-7000	Acute Care Hospitals
ADVENTIST HEALTHCARE WHITE OAK MEDICAL CENTER	11890 HEALING WAY SILVER SPRING, MD 20904	(240) 637-4000	Acute Care Hospitals
LUMINIS HEALTH DOCTORS COMMUNITY MEDICAL CTR, INC	8118 GOOD LUCK ROAD LANHAM, MD 20706	(301) 552-8118	Acute Care Hospitals

NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1730467804, we treat the final digit (4) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 6

Pos 4

Unchanged

Pos 5

Doubled → 8

Pos 6

Unchanged

Pos 7

Doubled → 14 → 1 + 4

Pos 8

Unchanged

Pos 9

Doubled → 0

Check

Target digit

Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 3 → 6 4 → 8 7 → 14 → 5 0 → 0

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 7 + 6 + 0 + 8 + 6 + 1 + 4 + 8 + 0 + 24 = 66

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4

This NPI is valid

The calculated check digit is 4, which matches the last digit of 1730467804.