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MARILYN RYAN M.D.
NPI 1386733780
Internal Medicine - Endocrinology, Diabetes & Metabolism in Paoli, PA

Active since October 12, 2006PECOS EnrolledAccepts Medicare Assignment
21 INDUSTRIAL BLVD, SUITE #21, PAOLI, PA 19301(610) 251-0300(610) 251-0304 Get Directions Write a Review

NPPES record last updated: March 31, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Marilyn Ryan M.d. NPPES

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

MARILYN RYAN M.D. (NPI 1386733780) is an individual endocrinology, diabetes & metabolism provider in Paoli, Pennsylvania, licensed in Pennsylvania (MD025002E) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with Hospital Of Univ Of Pennsylvania, and is a graduate of State University Of Ny Upstate Medical University (1979).

NPPES Registry Identity

NPI1386733780
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameMARILYN RYANCredential: M.D.
Location Address21 INDUSTRIAL BLVD, SUITE #21Paoli, PA 19301-1610
Mailing Address21 Industrial Blvd, Suite #21Paoli, PA 19301-1610 · (610) 251-0300 · Fax (610) 251-0304
Phone(610) 251-0300
Fax(610) 251-0304
Sole ProprietorYes
Medical School CMSState University Of Ny Upstate Medical UniversityGraduated 1979
Enumeration DateOctober 12, 2006
Last NPPES UpdateMarch 31, 2010
✔ NPI 1386733780 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in PA · MD025002E
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
21 INDUSTRIAL BLVD, Paoli, PA 19301
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Other Identifiers 1

Medicare UPINC28921PA

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

Marilyn Ryan 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 ID6305896416
PECOS Enrollment IDI20050126000951
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 8

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.

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.
610 services410 patients
Blood glucose (sugar) test performed by hand-held instrument 82962
A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.
223 services120 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.
217 services136 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
165 services86 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.
108 services61 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.
26 services25 patients

Hospital Affiliations CMS Care Compare 5

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

Hospital Of Univ Of Pennsylvania

Acute Care Hospitals · Philadelphia, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390111
Location34th & Spruce StsPhiladelphia, PA 19104 · Philadelphia County
Emergency services Birthing friendly

Bryn Mawr Hospital

Acute Care Hospitals · Bryn Mawr, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390139
Location130 South Bryn Mawr AveBryn Mawr, PA 19010 · Montgomery County
Emergency services Birthing friendly

Paoli Hospital

Acute Care Hospitals · Paoli, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390153
Location255 West Lancaster AvenuePaoli, PA 19301 · Chester County
Emergency services Birthing friendly

Chester County Hospital

Acute Care Hospitals · West Chester, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390179
Location701 East Marshall StreetWest Chester, PA 19380 · Chester County
Emergency services Birthing friendly

Main Line Hospital Lankenau

Acute Care Hospitals · Wynnewood, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390195
Location100 Lancaster AveWynnewood, PA 19096 · Montgomery County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19301 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
$137.17 typical visit price
range $59.88 – $180.99
Typical copayment $34.29 (range $14.97 – $45.24)
Most-billed visit code 99204
Established Patient
$105.21 typical visit price
range $19.30 – $147.29
Typical copayment $26.30 (range $4.82 – $36.82)
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 6

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

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
4 suppliers20 claims260 services$18.31 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
5 suppliers22 claims729 services$2.36 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
41 suppliers114 claims289 services$6.22 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
18 suppliers50 claims56 services$1.04 avg. paid by Medicare
Insulin for administration through dme (i.e., insulin pump) per 50 units J1817
Treatment-Injections and Infusions (nononcologic) · category RI000N
7 suppliers20 claims2,980 services$6.79 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
13 suppliers438 claims438 services$201.21 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 17

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

JAMIE L DILLINGER C.R.N.P.
Nurse Practitioner (Family)
21 INDUSTRIAL BLVD, SUITE 101
PAOLI, PA 19301
Chester County (610) 251-0300
PAOLI MEDICAL CONSULTANTS LLC
Internal Medicine
21 INDUSTRIAL BLVD, SUITE 101
PAOLI, PA 19301
Chester County (610) 648-9330
MICHAEL EDMOND THERIAULT M.D.
Psychiatry & Neurology (Neurology)
21 INDUSTRIAL BLVD
PAOLI, PA 19301
Chester County (610) 647-8000
KRISTOPHER ERICK MEDINA
Nurse Practitioner (Family)
21 INDUSTRIAL BLVD, SUITE 205
PAOLI, PA 19301
Chester County (610) 647-8000
ANNETTE M SEXTON CRNP
Nurse Practitioner (Acute Care)
21 INDUSTRIAL BLVD, STE 205
PAOLI, PA 19301
Chester County (610) 284-8500
NEURO CARE ASSOCIATES, INC.
Psychiatry & Neurology (Neurology)
21 INDUSTRIAL BLVD, SUITE 205
PAOLI, PA 19301
Chester County (610) 647-8000
PHILIP A ADELMAN MD
Psychiatry & Neurology (Neurology)
21 INDUSTRIAL BLVD, SUITE 205
PAOLI, PA 19301
Chester County (610) 647-8000
STEPHEN CARY FOX M.D., FACP
Internal Medicine (Hematology & Oncology)
21 INDUSTRIAL BLVD, SUITE 204
PAOLI, PA 19301
Chester County (610) 647-2747

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 Marilyn Ryan's NPI number?

The NPI number for Marilyn Ryan is 1386733780. It was assigned to this individual provider in the NPPES registry on October 12, 2006.

Where is Marilyn Ryan located?

Marilyn Ryan practices at 21 Industrial Blvd Suite #21, Paoli, PA 19301. The listed phone number is (610) 251-0300.

What is Marilyn Ryan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Marilyn Ryan enrolled in Medicare?

Yes. Marilyn Ryan 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 Marilyn Ryan affiliated with any hospitals?

According to CMS data, Marilyn Ryan is affiliated with Hospital Of Univ Of Pennsylvania, Bryn Mawr Hospital, Paoli Hospital, Chester County Hospital and Main Line Hospital Lankenau.

When was this NPI record last updated?

The NPPES record for Marilyn Ryan was last updated on March 31, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.