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WILLIAM THOMAS GREER III M.D.
NPI 1760465835
Family Medicine in Ocean City, MD

Active since November 22, 2005Opted out of Medicare · through Jan 1, 2027
12417 OCEAN GTWY, SUITE A-5, OCEAN CITY, MD 21842(410) 213-0111(410) 213-8459 Get Directions Write a Review

NPPES record last updated: October 30, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William Thomas Greer Iii M.d. NPPES

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

WILLIAM THOMAS GREER III M.D. (NPI 1760465835) is an individual family medicine provider in Ocean City, Maryland, licensed in Maryland (D0035764) and active in the NPI registry since November 2005. He has opted out of Medicare through January 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1760465835
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameWILLIAM THOMAS GREER IIICredential: M.D.
Location Address12417 OCEAN GTWY, SUITE A-5Ocean City, MD 21842-9521
Mailing Address12417 Ocean Gtwy, Suite A-5Ocean City, MD 21842-9521 · (410) 213-0111 · Fax (410) 213-8459
Phone(410) 213-0111
Fax(410) 213-8459
Sole ProprietorYes
Enumeration DateNovember 22, 2005
Last NPPES UpdateOctober 30, 2007
✔ NPI 1760465835 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MD · D0035764
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
12417 OCEAN GTWY, Ocean City, MD 21842
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Other Identifiers 2

Medicare PIN265M354FMD
Medicare UPIND61035MD

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

William Thomas Greer Iii M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2011 through January 1, 2027.

Opt-Out Effective DateJanuary 1, 2011
Opt-Out In Effect ThroughJanuary 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21842 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
$89.75 typical visit price
range $57.99 – $175.57
Typical copayment $22.43 (range $14.49 – $43.89)
Most-billed visit code 99203
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.

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.

STEPHANIE PRICE-HARRIS, O.D., P.A.
Optometrist
12417 OCEAN GTWY, SUITE #14
OCEAN CITY, MD 21842
Worcester County (410) 213-9020
BRENDA LEE BRENDEL-RECKLINE CAC-AD
Counselor (Addiction (Substance Use Disorder))
12417 OCEAN GTWY
OCEAN CITY, MD 21842
Worcester County (866) 934-7450
KEVIN THOMAS DPM PC
Podiatrist (Foot & Ankle Surgery)
12417 OCEAN GTWY, SUITE A5
OCEAN CITY, MD 21842
Worcester County (410) 749-0121
LAUREEN GALLO INC
Nurse Practitioner
12417 OCEAN GTWY, A6
OCEAN CITY, MD 21842
Worcester County (410) 213-7937
DR. SEAN A WILLIAMS D.C.
Chiropractor
12417 OCEAN GTWY, UNIT 2A
OCEAN CITY, MD 21842
Worcester County (410) 213-8787
DR. STEPHANIE JO PRICE-HARRIS O.D.
Optometrist
12417 OCEAN GTWY, SUITE #14
OCEAN CITY, MD 21842
Worcester County (410) 213-9020
STEPHANIE SIMPSON P.T.
Physical Therapist
12417 OCEAN GTWY, SUITE 9 & 10
OCEAN CITY, MD 21842
Worcester County (410) 213-7878
COASTAL CHIROPRACTIC CENTER
Chiropractor
12417 OCEAN GTWY, UNIT 2A
OCEAN CITY, MD 21842
Worcester County (410) 213-8787

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 William Greer's NPI number?

The NPI number for William Greer is 1760465835. It was assigned to this individual provider in the NPPES registry on November 22, 2005.

Where is William Greer located?

William Greer practices at 12417 Ocean Gtwy Suite A-5, Ocean City, MD 21842. The listed phone number is (410) 213-0111.

What is William Greer's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is William Greer enrolled in Medicare?

No. William Greer has opted out of Medicare through January 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for William Greer was last updated on October 30, 2007. 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.