WEIMING RYAN YAN M.D.
NPI 1851552624
Internal Medicine - Gastroenterology in Frederick, MD

Q: What is Weiming Yan's NPI number?

The NPI number for Weiming Yan is 1851552624. It was assigned to this individual provider in the NPPES registry on June 24, 2008.

Q: What is Weiming Yan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Weiming Yan was last updated on November 7, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since June 24, 2008PECOS EnrolledAccepts Medicare Assignment

63.49/100

CMS Quality Rating

7109 GUILFORD DR STE 300, FREDERICK, MD 21704(301) 695-6800(301) 695-6891 Get Directions Write a Review

NPPES record last updated: November 7, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 7, 2023, May 12, 2021 (2 updates tracked since 2021).

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About Weiming Ryan Yan M.d. NPPES

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

WEIMING RYAN YAN M.D. (NPI 1851552624) is an individual gastroenterology provider in Frederick, Maryland, licensed in Maryland (D0072237) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Frederick Health Hospital, and is a graduate of Ohio State University College Of Medicine (2008).

NPPES Registry Identity

NPI1851552624

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameWEIMING RYAN YANCredential: M.D.

Location Address7109 GUILFORD DR STE 300Frederick, MD 21704-5179

Mailing Address7109 Guilford Dr Ste 300Frederick, MD 21704-5179 · (301) 695-6800 · Fax (301) 695-6891

Phone(301) 695-6800

Fax(301) 695-6891

Sole ProprietorYes

Medical School CMSOhio State University College Of MedicineGraduated 2008

Enumeration DateJune 24, 2008

Last NPPES UpdateNovember 7, 20232 updates tracked since enumeration

NPPES CertifiedNovember 7, 2023

✔ NPI 1851552624 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in MD · D0072237

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License D72237 (MD)

7109 GUILFORD DR STE 300, Frederick, MD 21704

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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

Weiming Ryan Yan 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 ID3971772765

PECOS Enrollment IDI20110812000055, I20220405000090

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 6

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.

223 services157 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

116 services115 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.

107 services92 patients

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.

99 services97 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.

78 services73 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.

43 services43 patients

Hospital Affiliations CMS Care Compare 2

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

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

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 21704 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

$133.05 typical visit price

range $57.99 – $175.57

Typical copayment $33.26 (range $14.49 – $43.89)

Most-billed visit code 99204

Established Patient

$102.11 typical visit price

range $18.66 – $143.02

Typical copayment $25.52 (range $4.66 – $35.75)

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.

63.49/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

68.15

Promoting Interoperability

Improvement Activities

Cost

Other Providers at the Same Location NPPES 9

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

ANDREW D. MOWERY DO

Internal Medicine (Gastroenterology)