DR. GEOFFREY DAVID MILLS M.D. PH.D.
NPI 1659492791
Family Medicine in Philadelphia, PA

Active since April 03, 2007PECOS EnrolledAccepts Medicare Assignment
833 CHESTNUT ST, SUITE 301, PHILADELPHIA, PA 19107(215) 955-7190(215) 923-9186 Get Directions Write a Review

NPPES record last updated: July 18, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Geoffrey David Mills M.d. Ph.d. NPPES

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

DR. GEOFFREY DAVID MILLS M.D. PH.D. (NPI 1659492791) is an individual family medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD435581) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Thomas Jefferson University Hospital, and is a graduate of Temple University School Of Medicine (2006).

NPPES Registry Identity

NPI1659492791
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. GEOFFREY DAVID MILLSCredential: M.D. PH.D.
Location Address833 CHESTNUT ST, SUITE 301Philadelphia, PA 19107-4414
Mailing Address833 Chestnut St, Suite 301Philadelphia, PA 19107-4414
Fax(215) 923-9186
Sole ProprietorNo
Medical School CMSTemple University School Of MedicineGraduated 2006
Enumeration DateApril 3, 2007
Last NPPES UpdateJuly 18, 2014
NPI 1659492791 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in PA · MD435581
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.
833 CHESTNUT ST, Philadelphia, PA 19107

Other Identifiers 3

Medicare PIN159236PAGPA
Medicaid1023339950001PA
Medicaid0202088NJ

Accepted Insurance

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. Geoffrey David Mills M.d. Ph.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 ID840344289
PECOS Enrollment IDI20090819000338
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.
123 services78 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.
63 services63 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
47 services17 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.
36 services20 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.
31 services29 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.
19 services19 patients

Hospital Affiliations CMS Care Compare

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

Thomas Jefferson University Hospital

Acute Care Hospitals · Philadelphia, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390174
Location111 South 11th StreetPhiladelphia, PA 19107 · Philadelphia County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19107 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
$92.69 typical visit price
range $59.88 – $180.99
Typical copayment $23.17 (range $14.97 – $45.24)
Most-billed visit code 99203
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

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

Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
3 suppliers12 claims14 services$1.13 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.

Internal Medicine
833 CHESTNUT ST, SUITE 220
PHILADELPHIA, PA 19107
Genetic Counselor, MS
833 CHESTNUT ST, SUITE 1250
PHILADELPHIA, PA 19107
Genetic Counselor, MS
833 CHESTNUT ST, SUITE 1250
PHILADELPHIA, PA 19107
Obstetrics & Gynecology (Maternal & Fetal Medicine)
833 CHESTNUT ST, 1ST FLOOR
PHILADELPHIA, PA 19107
Family Medicine
833 CHESTNUT ST, SUITE 301
PHILADELPHIA, PA 19107
Family Medicine
833 CHESTNUT ST, SUITE 301
PHILADELPHIA, PA 19107
Pediatrics
833 CHESTNUT ST
PHILADELPHIA, PA 19107
Genetic Counselor, MS
833 CHESTNUT ST, SUITE 1250
PHILADELPHIA, PA 19107

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 Geoffrey Mills's NPI number?

The NPI number for Geoffrey Mills is 1659492791. It was assigned to this individual provider in the NPPES registry on April 3, 2007.

Where is Geoffrey Mills located?

Geoffrey Mills practices at 833 Chestnut St Suite 301, Philadelphia, PA 19107. The listed phone number is (215) 955-7190.

What is Geoffrey Mills's specialty?

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

Is Geoffrey Mills enrolled in Medicare?

Yes. Geoffrey Mills 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.

What insurance does Geoffrey Mills accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Geoffrey Mills as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Geoffrey Mills affiliated with any hospitals?

According to CMS data, Geoffrey Mills is affiliated with Thomas Jefferson University Hospital.

When was this NPI record last updated?

The NPPES record for Geoffrey Mills was last updated on July 18, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.