DR. HOLLY RYERSON DAHLMAN M.D.
NPI 1962464552
Internal Medicine in Lutherville, MD

Q: What is Holly Dahlman's NPI number?

The NPI number for Holly Dahlman is 1962464552. It was assigned to this individual provider in the NPPES registry on April 6, 2006.

Q: What is Holly Dahlman's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Holly Dahlman was last updated on April 15, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 April 06, 2006PECOS EnrolledAccepts Medicare Assignment

2360 W JOPPA RD, GREEN SPRING INTERNAL MEDICINE, LLC - SUITE 210, LUTHERVILLE, MD 21093(410) 583-2890(410) 583-2891 Get Directions Write a Review

NPPES record last updated: April 15, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Holly Ryerson Dahlman M.d. NPPES

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

DR. HOLLY RYERSON DAHLMAN M.D. (NPI 1962464552) is an individual internal medicine provider in Lutherville, Maryland, licensed in Maryland (D0054653) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Johns Hopkins University School Of Medicine (1996).

NPPES Registry Identity

NPI1962464552

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. HOLLY RYERSON DAHLMANCredential: M.D.

Location Address2360 W JOPPA RD, GREEN SPRING INTERNAL MEDICINE, LLC - SUITE 210Lutherville, MD 21093-4624

Mailing Address2360 W Joppa Road, Suite 210Lutherville, MD 21093-4624 · (410) 583-2890 · Fax (410) 583-2891

Phone(410) 583-2890

Fax(410) 583-2891

Sole ProprietorNo

Medical School CMSJohns Hopkins University School Of MedicineGraduated 1996

Enumeration DateApril 6, 2006

Last NPPES UpdateApril 15, 2008

✔ NPI 1962464552 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in MD · D0054653

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

2360 W JOPPA RD, Lutherville, MD 21093

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Other Identifiers 1

Medicare UPING94478MD

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

Dr. Holly Ryerson Dahlman 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 ID6204830169

PECOS Enrollment IDI20060907000129

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 18

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.

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

1,687 services21 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.

918 services363 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

377 services248 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

306 services306 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

235 services225 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

221 services216 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

117 services92 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.

88 services67 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

84 services28 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

76 services64 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

71 services62 patients

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.

42 services40 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

36 services33 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

30 services26 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

18 services18 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

18 services18 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

12 services11 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Johns Hopkins Hospital, The

Acute Care Hospitals · Baltimore, MD

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210009

Location600 North Wolfe StreetBaltimore, MD 21287 · Baltimore City County

Emergency services Birthing friendly

Northwest Hospital Center

Acute Care Hospitals · Randallstown, MD

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210040

Location5401 Old Court RoadRandallstown, MD 21133 · Baltimore County

Emergency services

Greater Baltimore Medical Center

Acute Care Hospitals · Baltimore, MD

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210044

Location6701 North Charles StreetBaltimore, MD 21204 · Baltimore County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21093 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

$139.05 typical visit price

range $60.73 – $183.44

Typical copayment $34.76 (range $15.18 – $45.86)

Most-billed visit code 99204

Established Patient

$106.59 typical visit price

range $19.60 – $149.17

Typical copayment $26.64 (range $4.90 – $37.29)

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.

Referred Medical Equipment & Supplies CMS DME claims 13

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

14 suppliers25 claims62 services$6.03 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

12 suppliers21 claims31 services$1.04 avg. paid by Medicare

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

4 suppliers26 claims26 services$35.55 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

3 suppliers12 claims12 services$83.21 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

3 suppliers12 claims31 services$29.27 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

6 suppliers19 claims106 services$16.25 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

VIKESH K SINGH M.D., M.S.

Internal Medicine (Gastroenterology)

2360 W JOPPA RD, SUITE 205
LUTHERVILLE TIMONIUM, MD 21093

Baltimore County (410) 502-6823

JOSHUA NACHMAN MS, CNS, LDN

Nutritionist

2360 W JOPPA RD
LUTHERVILLE, MD 21093

Baltimore County (410) 828-3585

DEEZYA JULIANNA MONROE

Counselor (Professional)

2360 W JOPPA RD
TIMONIUM, MD 21093

Baltimore County (555) 555-5555

SUSAN W ETTINGER MSN,NPC

Nurse Practitioner

2360 W JOPPA RD
LUTHERVILLE TIMONIUM, MD 21093

Baltimore County (410) 847-3535

GREEN VALLEY PSYCHOLOGICAL ASSOCIATES, LLC

Social Worker (Clinical)

2360 W JOPPA RD, SUITE 219
LUTHERVILLE, MD 21093

Baltimore County (410) 583-8892

DR. NORMAN M DY MD

Internal Medicine

2360 W JOPPA RD, SUITE 306
LUTHERVILLE TIMONIUM, MD 21093

Baltimore County (410) 847-3529

ROBERT K SCHRETER, MD,LLC

Psychiatry & Neurology (Child & Adolescent Psychiatry)

2360 W JOPPA RD, SUITE 222
LUTHERVILLE, MD 21093

Baltimore County (410) 494-9222

MS. MEADOW LARK WASHINGTON LCSW-C

Counselor (Mental Health)

2360 W JOPPA RD, SUITE 229
LUTHERVILLE, MD 21093

Baltimore County (410) 339-5775

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 Holly Dahlman's NPI number?

The NPI number for Holly Dahlman is 1962464552. It was assigned to this individual provider in the NPPES registry on April 6, 2006.

Where is Holly Dahlman located?

Holly Dahlman practices at 2360 W Joppa Rd Green Spring Internal Medicine, LLC - Suite 210, Lutherville, MD 21093. The listed phone number is (410) 583-2890.

What is Holly Dahlman's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Holly Dahlman enrolled in Medicare?

Yes. Holly Dahlman 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 Holly Dahlman affiliated with any hospitals?

According to CMS data, Holly Dahlman is affiliated with Johns Hopkins Hospital, The, Northwest Hospital Center and Greater Baltimore Medical Center.

When was this NPI record last updated?

The NPPES record for Holly Dahlman was last updated on April 15, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.