DANIEL LEONARD GRIFFEN III M.D.
NPI 1083640080
Internal Medicine - Cardiovascular Disease in Rockville, MD

Q: What is Daniel Griffen's NPI number?

The NPI number for Daniel Griffen is 1083640080. It was assigned to this individual provider in the NPPES registry on June 23, 2006.

Q: What is Daniel Griffen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Daniel Griffen was last updated on May 15, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since June 23, 2006PECOS EnrolledAccepts Medicare Assignment

15225 SHADY GROVE RD, SUITE 201, ROCKVILLE, MD 20850(301) 670-3000(301) 924-0186 Get Directions Write a Review

NPPES record last updated: May 15, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Daniel Leonard Griffen Iii M.d. NPPES

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

DANIEL LEONARD GRIFFEN III M.D. (NPI 1083640080) is an individual cardiovascular disease provider in Rockville, Maryland, licensed in Maryland (D0042110) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (1982).

NPPES Registry Identity

NPI1083640080

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameDANIEL LEONARD GRIFFEN IIICredential: M.D.

Location Address15225 SHADY GROVE RD, SUITE 201Rockville, MD 20850-3254

Mailing Address15225 Shady Grove Rd, Suite 201Rockville, MD 20850-3254 · (301) 670-3000 · Fax (301) 924-0186

Phone(301) 670-3000

Fax(301) 924-0186

Sole ProprietorNo

Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 1982

Enumeration DateJune 23, 2006

Last NPPES UpdateMay 15, 2009

✔ NPI 1083640080 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in MD · D0042110

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

15225 SHADY GROVE RD, Rockville, MD 20850

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Other Identifiers 3

Medicare UPINF06283MD

Medicare ID-Type Unspecified697913C83MD

Medicaid781811400MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Daniel Leonard Griffen Iii 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 ID345315339

PECOS Enrollment IDI20080827000053

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.

Areas of Expertise CMS Part B claims 19

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

2,477 services1,108 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.

1,873 services979 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

1,416 services1,376 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

1,397 services1,316 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.

600 services348 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

105 services99 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

97 services93 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

89 services73 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.

85 services63 patients

Heart rhythm recording continous external ekg over more than 48 hours up to 7 days 93242

This procedure involves wearing a device, an external EKG, for up to 7 days to continuously monitor your heart rhythm. It helps detect irregularities that may not occur during a standard EKG. The device is non-invasive and safe.

78 services78 patients

Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report 93351

This procedure involves using ultrasound technology to create images of your heart while you rest, exercise, or undergo drug-induced stress. An ECG continuously monitors your heart's electrical activity. It helps doctors assess heart health and function.

73 services72 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

52 services52 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

44 services43 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.

37 services37 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 93015

An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.

34 services34 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

26 services21 patients

Heart rhythm recording of continous external ekg over 8-15 days 93246

A heart rhythm recording is a non-invasive procedure where a small device, attached externally, monitors your heart's electrical activity for 8-15 days. It helps detect irregular heart rhythms, assess heart rate, and guide treatment decisions. It's safe, painless, and can be done during normal daily activities.

24 services23 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

21 services14 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

13 services13 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Holy Cross Hospital

Acute Care Hospitals · Silver Spring, MD

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number210004

Location1500 Forest Glen RoadSilver Spring, MD 20910 · Montgomery County

Birthing friendly

Frederick Health Hospital

Acute Care Hospitals · Frederick, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210005

Location400 West Seventh StFrederick, MD 21701 · Frederick County

Emergency services Birthing friendly

Adventist Healthcare White Oak Medical Center

Acute Care Hospitals · Silver Spring, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210016

Location11890 Healing WaySilver Spring, MD 20904 · Montgomery County

Emergency services Birthing friendly

Adventist Healthcare Shady Grove Medical Center

Acute Care Hospitals · Rockville, MD

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210057

Location9901 Medical Center DriveRockville, MD 20850 · Montgomery County

Emergency services Birthing friendly

Holy Cross Germantown Hospital

Acute Care Hospitals · Germantown, MD

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210065

Location19801 Observation DriveGermantown, MD 20876 · Montgomery County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20850 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

$147.85 typical visit price

range $65.18 – $194.86

Typical copayment $36.96 (range $16.29 – $48.71)

Most-billed visit code 99204

Established Patient

$80.66 typical visit price

range $21.40 – $158.88

Typical copayment $20.16 (range $5.35 – $39.72)

Most-billed visit code 99213

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.

Reported Quality Measures

Care Plan

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…

100%916 patients5/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

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…

100%976 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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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.

ED ASHTAR M.D., F.A.C.P.

Internal Medicine (Hematology & Oncology)

15225 SHADY GROVE RD, SUITE 210
ROCKVILLE, MD 20850

Montgomery County (240) 477-6620

DANIEL J GOLDBERG M.D.

Internal Medicine (Cardiovascular Disease)

15225 SHADY GROVE RD, SUITE 201
ROCKVILLE, MD 20850

Montgomery County (301) 670-3000

RICHARD I WEINSTEIN M.D.

Internal Medicine (Cardiovascular Disease)

15225 SHADY GROVE RD, SUITE 201
ROCKVILLE, MD 20850

Montgomery County (301) 670-3000

MONTGOMERY DERMATOLOGY ASSOCIATES, LLC

Clinic/Center (Medical Specialty)

15225 SHADY GROVE RD, STE. 303
ROCKVILLE, MD 20850

Montgomery County (301) 216-2980

JIN MOON KANG M.D.

Family Medicine

15225 SHADY GROVE RD, SUITE 102
ROCKVILLE, MD 20850

Montgomery County (301) 330-0661

DR. ALAN STUART CHANALES MD

Internal Medicine (Pulmonary Disease)

15225 SHADY GROVE RD
ROCKVILLE, MD 20850

Montgomery County (301) 330-0200

GREGORY H FISHER M.D.

Internal Medicine (Cardiovascular Disease)

15225 SHADY GROVE RD, SUITE 201
ROCKVILLE, MD 20850

Montgomery County (301) 670-3000

ANNE LOUISE DENICOFF CPNP

Nurse Practitioner (Pediatrics)

15225 SHADY GROVE RD, #304
ROCKVILLE, MD 20850

Montgomery County (301) 840-0660

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 Daniel Griffen's NPI number?

The NPI number for Daniel Griffen is 1083640080. It was assigned to this individual provider in the NPPES registry on June 23, 2006.

Where is Daniel Griffen located?

Daniel Griffen practices at 15225 Shady Grove Rd Suite 201, Rockville, MD 20850. The listed phone number is (301) 670-3000.

What is Daniel Griffen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Daniel Griffen enrolled in Medicare?

Yes. Daniel Griffen 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.

Is Daniel Griffen affiliated with any hospitals?

According to CMS data, Daniel Griffen is affiliated with Holy Cross Hospital, Frederick Health Hospital, Adventist Healthcare White Oak Medical Center, Adventist Healthcare Shady Grove Medical Center and Holy Cross Germantown Hospital.

When was this NPI record last updated?

The NPPES record for Daniel Griffen was last updated on May 15, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.