DR. MARK A LOPATIN (M.D.) – Rheumatology Physician, NPI 1407852379

Rheumatology Physician

DR. MARK A LOPATIN (M.D.) is a healthcare provider. based in Willow grove, Pennsylvania. specializing in Rheumatology Physician. They hold the professional credentials M.D.. They hold a License No. MD032614E (PA). The NPI Number for DR. MARK A LOPATIN (M.D.) is 1407852379

Main info

Male

43 Years Of Experience

Accepts Medicare Assignment

Name

DR. MARK A LOPATIN (M.D.)

NPI

1407852379

Phone

(215) 657-6776

Address

2360 MARYLAND RD

Enumeration Date

24 June 2005

Last Update Date

27 November 2023

Doctor Profile

Medical School Name

MEDICAL COLLEGE OF PENNSYLVANIA

Secondary Phone

2156576776115

Graduation Year

1983 (43 years ago)

PAC ID

0143281568

Group Practice PAC ID

2961485602

Professional Enrollment ID

I20041020000132

Contacts

Secure Messaging

mark.lopatinmd.p1@direct.arthritispa.nextgenshare.com

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience64

Completeness85

Years active:20State licenses:1Other namesUpdated within 12 months

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Provider Addresses for DR. MARK A LOPATIN (M.D.)

Willow Grove, Worcester County, Maryland, United States
WILLOW GROVE, PA 190901709
Phone: (215) 657-6776
Fax: (267) 913-5962
Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 19090)

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Provider's Procedures

DR. MARK A LOPATIN (M.D.) performs procedures in Rheumatology Physician. See the list of HCPCS codes below.

Specialty	Practice State	HCPCS Code	Description	Service Count	Beneficiary Count
RHEUMATOLOGY	PA	20610	Aspiration and/or injection of large joint or joint capsule	129	91
RHEUMATOLOGY	PA	96415	Infusion of chemotherapy into a vein	169	29

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.

PAC ID: 2961485602View full group profile

Name	Specialty	State
CHARLES H PRITCHARD (M.D.)	R H E U M A T O L O G Y	PA
MS. ANJALI BAL	R H E U M A T O L O G Y	VA
DR. MONICA MOHILE (M.D.)	R H E U M A T O L O G Y	PA
JAMIE LOBBENBERG (CRNP)	-	PA
DR. LILIANE MIN (M.D.)	Rheumatology, Internal Medicine	PA
KEVIN LU (M.D.)	Rheumatology, Internal Medicine	PA
DR. MARGUERITE L MCGARVEY (MD)	R H E U M A T O L O G Y	PA
DR. STEPHANIE JOAN MORRIS (D.O)	R H E U M A T O L O G Y	PA
DR. DAVID J CHESNER (D.O.)	R H E U M A T O L O G Y	PA
KAITLYN ANN DALSEY (DO)	R H E U M A T O L O G Y	NJ

Reviews

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Frequently asked questions

Can I verify DR. MARK A LOPATIN (M.D.) with an NPI only?

You can start verification with NPI 1407852379 for DR. MARK A LOPATIN (M.D.), then check state licensing separately.

Does CMS list DR. MARK A LOPATIN (M.D.) as active?

Yes — DR. MARK A LOPATIN (M.D.) is active in the NPI listing used on this page.

What taxonomy line describes DR. MARK A LOPATIN (M.D.)?

For research purposes, treat DR. MARK A LOPATIN (M.D.) as Rheumatology Physician in this dataset. Clinical services aligned with this taxonomy classification.

What area does DR. MARK A LOPATIN (M.D.) serve?

DR. MARK A LOPATIN (M.D.)'s listing highlights Willow Grove, Pennsylvania; more addresses can appear in NPPES.

Is specialty guaranteed by NPI alone?

Taxonomy selections describe intent; scope of practice still follows state law.